: Textual Attitude Analysis Model (2010)
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
The automatic analysis and classification of text using fine-grained attitude labels is the main task we address in our research. The developed
Lego-Note: To Generate Semantic Web Content by Graphic Tagging (2010)
Abstract. Lego-Note is an open source, browser-based semantic application inspired by folksonomy. Different from the other keyword-based, flat tagging systems, Lego-Note is featured by enriched...
Nikolaus Bee, Helmut Prendinger, Elisabeth André, Mitsuru Ishizuka
The purpose of our work is to predict (visual) preference decisions of users in real-time, with the overall goal of designing systems that may recognize a user’s choice of a particular visually...
Werner Breitfuss, Mitsuru Ishizuka
Abstract. This paper presents a quest for the most suitable setting and method to assess the naturalness of the output of an existing algorithm for the generation of multimodal referring expressions....
SentiFul: Generating a Reliable Lexicon for Sentiment Analysis (2010)
Alena Neviarouskaya, Mitsuru Ishizuka
The main drawback of any lexicon-based sentiment analysis system is the lack of scalability. Thus, in this paper, we will describe methods to automatically generate and score a new sentiment lexicon,...
Analysing Clinical Guidelines ’ Contents with Deontic and Rhetorical Structures (2010)
Gersende Georg, Hugo Hernault, Marc Cavazza, Helmut Prendinger, Mitsuru Ishizuka
Emotional Speech Synthesis by Sensing Affective Information from Text 1 (2010)
Mostafa Al, Masum Shaikh, Mitsuru Ishizuka
Speech can express subjective meanings and intents that, in order to be fully understood, rely heavily in its affective perception. Some Text-to-Speech (TTS) systems reveal weaknesses in their...
Gersende Georg, Hugo Hernault, Marc Cavazza, Helmut Prendinger, Mitsuru Ishizuka
In this paper, we extend previous work on the automatic structuring of medical documents using content analysis. Our long-term objective is to take advantage of specific rhetoric markers encountered...
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
The paper describes a novel rule-based approach to classification of opinion statements on the level of individual sentences. In contrast to existing approaches, the proposed method relies on the...
ISRST: GENERATING INTERESTING MULTIMEDIA STORIES ON THE WEB (2010)
Arturo Nakasone, Helmut Prendinger, Mitsuru Ishizuka
□ Interactive storytelling (IS) models, either implicitly or explicitly, have had to deal with three major aspects in their implementations, regardless of their technology: (1) how to define story...
Ranking Entities on the Web using Social Network Mining and Ranking Learning (2010)
Yingzi Jin, Yutaka Matsuo, Mitsuru Ishizuka
Social networks have garnered much attention recently. Several studies have been undertaken to extract social networks among people, companies, and so on automatically from the web. For use in social...
Affective Communication in Online Chat Using Physiological Sensors and Animated Text (2010)
Hua Wang, Helmut Prendinger, Mitsuru Ishizuka, Takeo Igarashi
Abstract- We present a chat system that uses animated text associated with emotional information to show the affective state of the user. The system obtains the affective state of a chat user from a...
Danushka Bollegala, Yutaka Matsuo, Mitsuru Ishizuka
u-tokyo.ac.jp Semantic similarity is a central concept that extends across numerous fields such as artificial intelligence, natural language processing, cognitive science and psychology. Accurate...
Unsupervised Relation Extraction by Mining Wikipedia Texts Using Information from the Web (2010)
Yulan Yan, Naoaki Okazaki, Yutaka Matsuo, Zhenglu Yang, Mitsuru Ishizuka
This paper presents an unsupervised relation extraction method for discovering and enhancing relations in which a specified concept in Wikipedia participates. Using respective characteristics of...
Compositionality Principle in Recognition of Fine-Grained Emotions from Text (2010)
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
The recognition of personal emotional state or sentiment conveyed through text is the main task we address in our research. The communication of emotions through text messaging and posts of personal...
Werner Breitfuss, Helmut Prendinger, Mitsuru Ishizuka
Abstract. This paper presents a system capable of automatically adding gestures to an embodied virtual character processing information from a simple text input. Gestures are generated based on the...
iFeel_IM! Emotion Enhancing Garment for Communication in Affect Sensitive Instant Messenger (2010)
Dzmitry Tsetserukou, Alena Neviarouskaya, Helmut Prendinger, Naoki Kawakami, Mitsuru Ishizuka, Susumu Tachi
Abstract. In the paper we are proposing a conceptually novel approach to reinforcing (intensifying) own feelings and reproducing (simulating) the emotions felt by the partner during online...
EmoHeart: Automation of Expressive Communication of Emotions in Second Life (2010)
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
Abstract. In this paper, we describe lexical rule-based approach to affect sensing from text, and application of the developed Affect Analysis Model in 3D virtual world Second Life. To enrich user...
Emerging System for Affectively Charged Interpersonal Communication (2010)
Alena Neviarouskaya, Dzmitry Tsetserukou, Helmut Prendinger, Naoki Kawakami, Susumu Tachi, Mitsuru Ishizuka
Abstract: The paper focuses on a novel system iFeel_IM! that integrates 3D virtual world Second Life, intelligent component for automatic emotion recognition from text messages, and innovative...
A Life-Like Agent Interface System with Second Life (2010)
Hiroshi Dohi, Mitsuru Ishizuka
Abstract. This paper describes a design of a life-like agent interface system with Second Life avatars on a 3D virtual world. We have implemented our prototype system on the OpenSimulator server,...
EmoHeart: Conveying Emotions in Second Life Based on Affect Sensing from Text (2010)
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
The 3D virtual world of “Second Life” imitates a form of real life by providing a space for rich interactions and social events. Second Life encourages people to establish or strengthen...
EmoHeart: Conveying Emotions in Second Life Based on Affect Sensing from Text (2010)
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
The 3D virtual world of “Second Life” imitates a form of real life by providing a space for rich interactions and social events. Second Life encourages people to establish or strengthen...
Dynamic Bayesian Network Based Interest Estimation for Visual Attentive Presentation Agents (2009)
Boris Brandherm, Helmut Prendinger, Mitsuru Ishizuka
In this paper, we report on an interactive system and the results ofa formal user study that was carried out with the aim of comparing two approaches to estimating users ’ interest in a multimodal...
Emotional speech synthesis by sensing affective information from text (2009)
Shaikh, Mostafa Al Masum, Ferreira Rebordao, Antonio, Hirose, Keikichi, Ishizuka, Mitsuru
Speech can express subjective meanings and intents that, in order to be fully understood, rely heavily in its affective perception. Some Text-to-Speech (TTS) systems reveal weaknesses in their...
T2D: Generating Dialogues between Virtual Agents Automatically from Text (2008)
Paul Piwek, Hugo Hernault, Helmut Prendinger, Mitsuru Ishizuka
Abstract. The Text2Dialogue (T2D) system that we are developing allows digital content creators to generate attractive multi-modal dialogues presented by two virtual agents—by simply providing...
Danushka Bollegala, Naoaki Okazaki, Mitsuru Ishizuka
Ordering information is a difficult but a important task for natural language generation applications. A wrong order of information does not only make it difficult to understand, but also conveys an...
Coherent Arrangement of Sentences Extracted from Multiple Newspaper Articles (2008)
Naoaki Okazaki, Yutaka Matsuo, Mitsuru Ishizuka
Multi-document summarization is a challenge to information overload problem to provide a condensed text for a number of documents. Most multi-document summarization systems make use of extraction...
Junichiro Mori, Takumi Tsujishita, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. Social networks have recently garnered considerable interest. With the intention of utilizing social networks for the Semantic Web, several studies have examined automatic extraction of...
First-Order Diagnosis by Propositional Reasoning: A Representation-Based Approach ∗ (2008)
Helmut Prendinger, Mitsuru Ishizuka
We present an approach to diagnosis that first compiles a first-order system description into a propositional representation, and then solves the diagnostic problem as a linear programming instance....
Physiologically Interactive Gaming with the 3D Agent Max ⋆ (2008)
Christian Becker, Arturo Nakasone, Helmut Prendinger, Mitsuru Ishizuka, Ipke Wachsmuth
Abstract. Physiologically interactive (or affective) gaming refers to research on the evocation and detection of emotion during game play [21]. In this paper, we first describe the two building...
Helmut Prendinger, Mitsuru Ishizuka, Gerhard Schurz
propositional reasoning, relevance reasoning, transformation of logic programs We present an approach to knowledge compilation that transforms a function-free first-order Horn knowledge base to...
Juan Liu, Hitoshi Iba, Mitsuru Ishizuka
Recent advances in biotechnology offer the ability to measure the levels of expression of thousands of genes in parallel. Analysis of such data can provide understanding and insight into gene...
Generating Social Network Features for Link-based Classification (2008)
Jun Karamon, Yutaka Matsuo, Hikaru Yamamoto, Mitsuru Ishizuka
Abstract. There have been numerous attempts at the aggregation of attributes for relational data mining. Recently, an increasing number of studies have been undertaken to process social network data,...
Extracting Key Phrases to Disambiguate Personal Names on the Web (2008)
Danushka Bollegala, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. When you search for information regarding a particular person on the web, a search engine returns many pages. Some of these pages may be for people with the same name. How can we...
Zhenglu Yang, Nakasone Arturo, Adam Jatowt, Mitsuru Ishizuka, Key Words
Multimodal presentation using interactive life-like agents is an attractive and effective way to edify, assist and guide the users. However, it is not easy for many people to write such multimodal...
Shaikh Mostafa, Al Masum, Md. Tawhidul Islam, Mitsuru Ishizuka, Helmut Prendinger
In this paper, we explain a system entitled Affect Sensitive News Agent (ASNA) developed as a news aggregator
Yoshitaka Nishimura, Mikio Nakano, Kazuhiro Nakadai, Hiroshi Tsujino, Mitsuru Ishizuka
Automatic speech recognition (ASR) is essential for a robot to communicate with people. One of the main problems with ASR for robots is that robots inevitably generate motor noises. The noise is...
Motivation Animated Agents for Language Conversation Training (2008)
Helmut Prendinger, Santi Saeyor, Mitsuru Ishizuka
Abstract: Animated agents are cartoon-style characters that facilitate the learning process. We take an animated agent approach to improve English conversation skills of Japanese students. In...
Analyzing Reading Behavior by Blog Mining Abstract (2008)
Mitsuru Ishizuka, Yutaka Matsuo
This paper presents a study of the various aspects of blog reading behavior. The analyzed data are obtained from a Japanese weblog hosting service, Doblog. Four kinds of social networks are generated...
Identifying People on the Web through Automatically Extracted Key Phrases (2008)
Danushka Bollegala, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. Assume that we are looking for information about a particular person. A search engine returns many pages for that person’s name. Some of these pages may be on other people with the same...
Lego-Note: To Generate Semantic Web Content by Graphic Tagging (2008)
Abstract. Lego-Note is an open source, browser-based semantic application inspired by folksonomy. Different from the other keyword-based, flat tagging systems, Lego-Note is featured by enriched...
Character Agents in E-Learning Interface Using Multimodal Real-Time Interaction (2008)
Hua Wang, Jie Yang, Mark Chignell, Mitsuru Ishizuka
Abstract. This paper describes an e-learning interface with multiple tutoring character agents. The character agents use eye movement information to facilitate empathy-relevant reasoning and...
Extracting Social Networks among Various Entities on the Web (2008)
Yingzi Jin, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. Social networks have recently attracted much attention for their importance to the Semantic Web. Several methods exist to extract social networks for people (particularly researchers) from...
Shaikh Mostafa, Al Masum, Mitsuru Ishizuka
Till date no computer program has passed the Turing test although even simple conversational programs, socalled “Chatbots”, could make people believe that they are talking to another human being....
A Chat System Based on Emotion Estimation from Text and Embodied Conversational Messengers (2008)
Chunling Ma, Helmut Prendinger, Mitsuru Ishizuka
Abstract. This short paper contains a preliminary description of a novel type of chat system that aims at realizing natural and social communication between distant communication partners. The system...
Extracting Keyphrases to Represent Relations in Social Networks from Web (2008)
Junichiro Mori, Mitsuru Ishizuka
Social networks have recently garnered considerable interest. With the intention of utilizing social networks for the Semantic Web, several studies have examined automatic extraction of social...
Coherent Arrangement of Sentences Extracted from Multiple Newspaper Articles (2008)
Naoaki Okazaki, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. Multi-document summarization is a challenge to information overload problem to provide a condensed text for a number of documents. Most multi-document summarization systems make use of...
Two Different Summarization Methods at NTCIR3-TSC2: Coverage Oriented and Focus Oriented (2008)
Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, Hironori Tomobe, Mitsuru Ishizuka
We are conducting research on multi-document summarization, participating in a competition of summarization, TSC (Text Summarization Challenge) task organized by NTCIR-3 project. In a dry run, we...
Shaikh Mostafa, Al Masum, Md. Tawhidul Islam, Mitsuru Ishizuka
In this paper, we present a system Affect Sensitive News Agent (ASNA) developed as a news aggregator that fetches news employing several RSS news-feeds and auto-categorizes the news according to...
Christian Becker, Mitsuru Ishizuka
This paper first describes two independently conducted research strands on affective human–computer interaction: one on an emotion simulation system for an expressive 3D humanoid agent called Max,...
Shaikh Mostafa, Al Masum, Mitsuru Ishizuka
Abstract: E-learning could become the major form of training and development in organizations as technologies will improve to create a fully interactive and humanized learning environment (Tim L....
Shaikh Mostafa, Al Masum, Mitsuru Ishizuka
Due to availability and accessibility of enormous internet-based resources and dynamic nature of web pages, the task of information retrieval is becoming more challenging and gradually tricky. This...
Improving the Usability and Effectiveness of Online Learning: How Can Avatars help? (2008)
Hua Wang, Mark Chignell, Mitsuru Ishizuka
This paper describes Empathic Tutoring System (ETS) which uses character agents for online learning. Eye movement tracking and other physiological measures are used to personalize character agent...
Temporal Web Page Summarization (2008)
Abstract. In the recent years the Web has become an important medium for communication and information storage. As this trend is predicted to continue, it is necessary to provide efficient solutions...
Automatic Generation of Multi-Modal Dialogue from Text Based on Discourse Structure Analysis (2008)
Helmut Prendinger, Paul Piwek, Mitsuru Ishizuka
In this paper, we propose a novel method for generating engaging multi-modal content automatically from text. Rhetorical Structure Theory (RST) is used to decompose text into discourse units and to...
Web Mining Approach for a User-centered Semantic Web (2008)
Junichiro Mori, Yutaka Matsuo, Koichi Hashida, Mitsuru Ishizuka
Abstract. In this paper, we propose a Web mining approach for the Semantic Web. The approach uses a search engine and the traditional web as a source of information to produce semantically rich...
Detecting and Analyzing Blog Community (2008)
Tomoya Taniguchi, Yutaka Matsuo, Koiti Hasida, Mitsuru Ishizuka
Recently, many web-log (blog) hosting services have begun in Japan. Blog users have continued to multiply, producing new Internet communities. This study extracts and analyzes blog communities based...
A Markup Language for Describing Interactive Humanoid Robot Presentations (2008)
Yoshitaka Nishimura, Shinichiro Minotsu, Hiroshi Dohi, Mitsuru Ishizuka
This paper presents a multi-modal presentation markup language for humanoid robots, MPML-HR ver. 3.0, which is able to describe presentation contents including speech-based interactions with...
An Expressive Avatar for Instant Messaging Endowed with Emotional Intelligence (2008)
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
Abstract. In this paper, we propose to endow a graphical representation of a user in Instant Messaging – an avatar – with the ability to recognize and to express emotions and to play social...
Emotion Sensitive News Agent: An Approach Towards User Centric Emotion Sensing from the News (2008)
Shaikh Mostafa, Al Masum, Helmut Prendinger, Mitsuru Ishizuka
This paper describes a character-based system called “Emotion Sensitive News Agent ” (ESNA). ESNA is been
Keyword Extraction from the Web for Creation of Person Metadata (2008)
Junichiro Mori, Yutaka Matsuo, Mitsuru Ishizuka, Boi Faltings
As one emerging metadata standard for the Semantic Web, FOAF defines an RDF vocabulary for expressing metadata about people and the relation among them. This paper proposes a novel keyword extraction...
A Cognitively Based Approach to Affect Sensing from Text (2008)
Mostafa Al, Masum Shaikh, Mitsuru Ishizuka
Studying the relationship between natural language and affective information as well as assessing the underpinned affective qualities of natural language are becoming crucial for improving the human...
Visual Interest Contingent Presentation Agents (2008)
Helmut Prendinger, Arjen Hoekstra, Nikolaus Bee, Michael Nischt, Mitsuru Ishizuka
Abstract. This research proposes an interactive presentation system that employs eye gaze as an intuitive and unobtrusive input modality. Attentive behavior is an excellent clue to users ’ (visual)...
ISRST: An Interest based Storytelling Model using Rhetorical Relations (2008)
Arturo Nakasone, Mitsuru Ishizuka
Abstract. Most storytelling model approaches consider stories formed by sequences of a particular type of event. These sequences are mostly constructed using the inherent temporal characteristic of...
Takuichi Nishimura, Kôiti Hasida, Hideaki Takeda, Junichiro Mori, Danushka Bollegala, Mitsuru Ishizuka
Social networks are important for the Semantic Web. Several means can be used to obtain social networks: using social networking services, aggregating Friendof-a-Friend (FOAF) documents, mining text...
T2D: Generating Dialogues Between Virtual Agents Automatically from Text (2008)
Paul Piwek, Hugo Hernault, Helmut Prendinger, Mitsuru Ishizuka
Abstract. The Text2Dialogue (T2D) system that we are developing allows digital content creators to generate attractive multi-modal dialogues presented by two virtual agents—by simply providing...
Presentation Agents That Adapt to Users’ Visual Interest and Follow Their Preferences (2008)
Arjen Hoekstra, Helmut Prendinger, Nikolaus Bee, Dirk Heylen, Mitsuru Ishizuka
Abstract. This research proposes an interactive presentation system that employs eye gaze as an intuitive and unobtrusive input modality. Eye movements are an excellent clue to users ’ attention,...
Recognition of Affect Conveyed by Text Messaging in Online Communication (2008)
Alena Neviarouskaya, Helmut Prendinger, Mitsuru Ishizuka
Abstract. In this paper, we address the task of affect recognition from text messaging. In order to sense and interpret emotional information expressed through written language, rule-based affect...
Two Different Summarization Methods at NTCIR3-TSC2: Coverage Oriented and Focus Oriented (2008)
Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, Hironori Tomobe, Mitsuru Ishizuka
We are conducting research on multi-document summarization, participating in a competition of summarization, TSC (Text Summarization Challenge) task organized by NTCIR-3 project. In a dry run, we...
Emotion Estimation and Reasoning Based on Affective Textual Interaction (2008)
Chunling Ma, Helmut Prendinger, Mitsuru Ishizuka
Abstract. This paper presents a novel approach to Emotion Estimation that assesses the affective content from textual messages. Our main goals are to detect emotion from chat or other dialogue...
SRST: A Storytelling Model Using Rhetorical Relations (2008)
Arturo Nakasone, Mitsuru Ishizuka
Abstract. Storytelling models are usually constrained to the applications they are implemented in because of the particular characteristics of the data used to define story events and the way those...
Generating Social Network Features for Link-Based Classification (2008)
Jun Karamon, Yutaka Matsuo, Hikaru Yamamoto, Mitsuru Ishizuka
Abstract. There have been numerous attempts at the aggregation of attributes for relational data mining. Recently, an increasing number of studies have been undertaken to process social network data,...
Sentence Extraction by Spreading Activation with Refined Similarity Measure (2008)
Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, Mitsuru Ishizuka
Although there has been a great deal of research on automatic summarization, most methods are based on statistical approach, disregarding relationships between extracted textual segments. To ensure...
Towards Morphology Study of Massive Multi-Agent System to Represent Robot States (2008)
Etienne Collomb, Mitsuru Ishizuka
Abstract. We are interested in developing notion of artificial emotion for a robot which are inspired from biological emotions as described by A. Damasio [1]. Artificial emotions are considered as a...
SOFTWARE-AGENT ARCHITECTURE FOR INTERACTIVE E- LEARNING (2008)
Shaikh Mostafa, Al Masum, Mitsuru Ishizuka
Abstract: Many universities worldwide have developed a variety of web-based e-learning environments, hoping to benefit from this new and fast spreading IT (Harasim, 2000). The main intention of this...
Ishizuka Temporal Multi-Page Summarization (2008)
Abstract. With the increasing popularity of the Web, efficient approaches to the information overload are becoming more necessary. Summarization of web pages aims at detecting the most important...
Zhenglu Yang, Mitsuru Ishizuka, Key Words
Nowadays, employing realistic-looking virtual humans as presenters in various situations becomes more effective and important. To make it easier for the author to write such multimodal presentation,...
Social Networks and Reading Behavior in the Blogosphere Abstract (2008)
Tadanobu Furukawa, Yutaka Matsuo, Ikki Ohmukai, Koki Uchiyama, Mitsuru Ishizuka
This paper describes a comprehensive study on social networks of weblogs integrated with analysis of users ’ reading behavior. The analyzed data are obtained from a Japanese weblog hosting service,...
Learning and Evolution Affected by Spatial Structure (2008)
Masahiro Ono, Mitsuru Ishizuka
Abstract. In this study, we explore the roles of learning and evolution in a non-cooperative autonomous system through a spatial IPD (Iterated Prisoner’s Dilemma) game. First, we propose a new...
retrieval and Natural Language Processing. Previous (2008)
Danushka Bollegala, Mitsuru Ishizuka
Semantic similarity measures play important roles in information
Naiwala P. Ch, Takeshi Naemura, Mitsuru Ishizuka, István Barakonyi
technologies such as chat don’t capture people’s expressions or intonations, they fail to provide crucial emotional content. By modeling users’ real-time facial expressions using a 3D agent,...
Junichiro Mori, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. Social networks have recently garnered considerable interest. With the intention of utilizing social networks for the Semantic Web, several studies have examined automatic extraction of...
Journal of Visual Languages (2008)
Helmut Prendinger, Sylvain Descamps, Mitsuru Ishizuka
www.elsevier.com/locate/jvlc MPML:a markup language for controlling the behavior of life-like characters
Yoshitaka Nishimura, Kazutaka Kushida, Hiroshi Dohi, Mitsuru Ishizuka
Abstract — Research in robotics is growing and many robots are being produced. Robots are remarkable media because they can help humans and they can act in the real world. So, it is important to...
Storytelling Ontology Model using RST (2008)
Arturo Nakasone, Mitsuru Ishizuka
Storytelling applications are increasingly being used and researched due to the fact that they are capable of conveying information and experience to users in a more natural and familiar way for...
Shaikh Mostafa, Al Masum, Mitsuru Ishizuka, Md. Tawhidul Islam
The paper describes the integration between web intelligence and character-based software agent manipulation with the notion of autonomous information services. The system, ‘Auto-Presentation’,...
Generating Dialogues for Virtual Agents Using Nested Textual Coherence Relations (2008)
Hernault, Hugo, Piwek, Paul, Prendinger, Helmut, Ishizuka, Mitsuru
This paper describes recent advances on the Text2Dialogue system we are currently developing. Our system enables automatic transformation of monological text into a dialogue. The dialogue is then...
The Hyper System: Knowledge Reformation for E cient First-order Hypothetical Reasoning (2007)
Helmut Prendinger, Mitsuru Ishizuka, Tetsu Yamamoto
Abstract. We present the Hyper system that implements a new approach to knowledge compilation, where function-free rst-order Horn theories are transformed to propositional logic. The compilation...
Emotion Expression Function in Multimodal Presentation (2007)
Yuan Zong, Hiroshi Dohi, Helmut Prendinger, Mitsuru Ishizuka
Abstract. With the increase of multimedia content on the WWW, multimodal presentations using interactive lifelike agents become an attractive style to deliver information. However, for many people it...
Santi Saeyor, Mitsuru Ishizuka
Besides the target information itself, the changes upon the previously released information are significant and worth being notified to those who perceived the out of date information as soon as...
Helmut Prendinger, Mitsuru Ishizuka, Gerhard Schurz
We present an approach to knowledge compilation that transforms a function-free first-order Horn knowledge base to propositional logic. This form of compilation is important since the most efficient...
Yasufumi Takama And, Yasufumi Takama, Mitsuru Ishizuka
. In this paper, we propose an extended Vector Space Model (VSM) called Fisheye Matching method, which generates features related to the users' viewpoints based on an electronic dictionary. We...
Yasufumi Takama, Hiroshi Dohi, Mitsuru Ishizuka
This paper is organized as follows. We first introduce our VSA system briey. Then we consider what is a cooperative response in the dialog of guidance tasks. In section 4, we describe a dialog...
Mitsuru Ishizuka, Kazuya Tanahashi, Helmut Prendinger
For propositional-level hypothetical reasoning (or abduction), particularly for its cost-based variant, some efficient methods have been developed which achieve polynomial-time reasoning (with...
Takahiro Kawamura, Hiroshi Dohi, Mitsuru Ishizuka
In this paper, we present a realistic CG (Computer Graphics) animation method to move shes. These have highly realistic appearance and movement. NURBS(Non-Uniform Rational B-Spline) is employed for...
Hiroshi Dohi, Mitsuru Ishizuka
The Visual Software Agent (VSA) is an Internet{ based interface agentwithrocking realistic face and speech dialog function. The VSA embodies a humanlike face-to-face style communication environment,...
Discovering Emerging Topics from WWW (2007)
Naohiro Matsumura Yutaka, Yutaka Matsuo, Yukio Ohsawa, Mitsuru Ishizuka
this paper we aim at revealing the structure of WWW by using KeyGraph, a visualization method of hidden structure behind data, for understanding emerging topics
Knowledge Navigation on Visualizing Complementary Documents (2007)
Naohiro Matsumura, Yukio Ohsawa, Mitsuru Ishizuka
Abstract. It is an up-to-date challenge to get answers for novel questions which nobody has ever considered. Such a question is too rare to be satisfied with a past single document. In this paper, we...
Sylvain Descamps, Istvan Barakonyi, Mitsuru Ishizuka
Interface agents are becoming a new way for computers to communicate with humans. These agents have gained much focus recently since there is a growing interest for presentations over the Internet....
Rapid growth of competition on the electronic market place calls for innovative communication modes with web users. Considering the emergence of dynamic media objects containing temporal infromation...
1. Methodological Considerations on Chance Discovery (2007)
Helmut Prendinger, Mitsuru Ishizuka
This paper investigates the methodological foundations of a new research field called chance discovery, which aims to detect future opportunities and risks. By drawing on concepts from cybernetics...
Future Directions of Communities on the Web (2007)
Naohiro Matsumura, Yukio Ohsawa, Mitsuru Ishizuka
Abstract. Discovering new topics which cover new items, problems, and ideas (e.g., mobile phone, global warming, human genome project, etc) is truly profitable, important, and interesting for us. For...
Yukio Ohsawa, Mitsuru Ishizuka
Abstract. Hypothetical reasoning is a useful knowledge-processing framework applicable to many problems including system diagnosis, design, etc. However, due to its non-monotonic inference nature, it...
Communicating Multimodal Information on the WWW Using a Lifelike, Animated 3D Agent (2007)
István Barakonyi, Naiwala P. Ch, Sylvain Descamps, Mitsuru Ishizuka
In this paper we present a 3D animated agent with synthesized face, speech and behavior, which is capable of automatic motion generation with a little user support of text annotation. Users without...
Hiroshi Harashima, Naiwala P. Ch, Naiwala P. Ch, István Barakonyi, István Barakonyi, Takeshi Naemura, ...
Abstract—We present a system for Internet communication that enhances traditional text-based chatting with real-time analysis and synthesis of the chat parties ’ facial expressions. It is...
Extracting Characteristic Sentences from Related Documents (2007)
Abstract. More and more information is available recently. To find a chance i.e., an important event for decision-making, we have to be prepared for the chance. Recent progress of automatic...
MPML 2.0e: Multimodal Presentation Markup Language supporting Emotion Expression (2007)
Yuan Zong, Hiroshi Dohi, Mitsuru Ishizuka
With the rapid progress of 3D animated character agent technology, multimodal presentation using interactive lifelike agents is attractive and is becoming more and more important. Various types of...
A Comparative Study of Approaches to Chance Discovery (Preliminary Report) (2007)
Helmut Prendinger, Mitsuru Ishizuka
Abstract: This paper gives an initial evaluation of approaches to chance discovery and management, a new research field invented by Yukio Ohsawa. Our aims in this preliminary report are very modest....
Social Role Awareness in Animated Agents Helmut Prendinger (2007)
This paper promotes social role awareness as a desirable capability of animated agents, that are by now strong affective reasoners, but otherwise often lack the social competence observed with...
1 Let's Talk! Socially Intelligent Agents for Language Conversation Training (2007)
Helmut Prendinger, Mitsuru Ishizuka
This paper promotes socially intelligent animated agents for the pedagogical task of English conversation training for native speakers of Japanese. Since student-agent conversations are realized as...
Visual authoring tool for presentation agent based on multimodal markup language (2007)
Santi Saeyor, He Binda, Mitsuru Ishizuka
Abstract: This paper proposes a visual authoring tool for presentation agent system on the Web. In presentation systems, it is more fascinating when we conduct the presentation stream by the...
Helmut Prendinger, Mitsuru Ishizuka
Chance discovery concerns itself with the identification of events that are significant for human decision-making. One difficulty of chance discovery is to provide techniques and environments that...
T2D: Generating Dialogues Between Virtual Agents Automatically from Text (2007)
Piwek, Paul, Hernault, Hugo, Prendinger, Helmut, Ishizuka, Mitsuru
The Text2Dialogue (T2D) system that we are developing allows digital content creators to generate attractive multi-modal dialogues presented by two virtual agents—by simply providing textual...
T2D: Generating Dialogues Between Virtual Agents Automatically from Text (2007)
Piwek, Paul, Hernault, Hugo, Prendinger, Helmut, Ishizuka, Mitsuru
The Text2Dialogue (T2D) system that we are developing allows digital content creators to generate attractive multi-modal dialogues presented by two virtual agents—by simply providing textual...
Presentation Agents That Adapt to Users' Visual Interest and Follow Their Preferences (2007)
Hoekstra, Arjen, Prendinger, Helmut, Bee, Nikolaus, Heylen, Dirk, Ishizuka, Mitsuru
This research proposes an interactive presentation system that employs eye gaze as an intuitive and unobtrusive input modality. Eye movements are an excellent clue to users' attention, visual...
Cascading hand and eye movement for augmented reality videoconferencing (2007)
István Barakonyi, Helmut Prendinger, Dieter Schmalstieg, Mitsuru Ishizuka
We have implemented an augmented reality videoconferencing system that inserts virtual graphics overlays into the live video stream of remote conference participants. The virtual objects are...
Exploiting syntactic and semantic information for relation extraction from wikipedia (2007)
Yutaka Matsuo, Mitsuru Ishizuka
Abstract. The exponential growth of Wikipedia recently attracts the attention of a large number of researchers and practitioners. However, one of the current challenges on Wikipedia is to make the...
M.: Cascading hand and eye movement for augmented reality videoconferencing (2007)
István Barakonyi, Helmut Prendinger, Dieter Schmalstieg, Mitsuru Ishizuka
We have implemented an augmented reality videoconferencing system that inserts virtual graphics overlays into the live video stream of remote conference participants. The virtual objects are...
Attentive presentation agents (2007)
Tobias Eichner, Helmut Prendinger, Elisabeth André, Mitsuru Ishizuka
Abstract. The paper describes an infotainment application where lifelike characters present two MP3 players in a virtual showroom. The key feature of the system is that the presenter agents analyze...
Social graphic tagging for semantic metadata and a case study on consensus discovery (2007)
The lack of semantic metadata is becoming a barrier for the in-depth study and wide adoption of Semantic Web. At the same time, folksonomy draws more and more attention as a promising source of...
M.: Highly realistic 3d presentation agents with visual attention capability (2007)
Arjen Hoekstra, Helmut Prendinger, Nikolaus Bee, Dirk Heylen, Mitsuru Ishizuka
Abstract. This research proposes 3D graphical agents in the role of virtual presenters with a new type of functionality – the capability to process and respond to visual attention of users...
M.: Cascading hand and eye movement for augmented reality videoconferencing (2007)
István Barakonyi, Dieter Schmalstieg, Mitsuru Ishizuka
We have implemented an augmented reality videoconferencing system that inserts virtual graphics overlays into the live video stream of remote conference participants. The virtual objects are...
Extracting a social network among entities by web mining (2006)
Yingzi Jin, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. Social networks play an important role in the Semantic Web. Several methods exist to extract social networks among people such as FOAF aggregation, email analysis, and Web mining. In this...
Extracting a social network among entities by web mining (2006)
Yingzi Jin, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. Social networks play an important role in the Semantic Web. Several methods exist to extract social networks among people such as FOAF aggregation, email analysis, and Web mining. In this...
Disambiguating personal names on the web using automatically extracted key phrases (2006)
Danushka Bollegala, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. When you search for information regarding a particular person on the web, a search engine returns many pages. Some of these pages may be for people with the same name. How can we...
Nikolaus Bee, Helmut Prendinger, Arturo Nakasone, Elisabeth André, Mitsuru Ishizuka
Abstract. While objects of our focus of attention (“where we are looking at”) and accompanying affective responses to those objects is part of our daily experience, little research exists on...
A bottom-up approach to sentence ordering for multi-document summarization (2006)
Danushka Bollegala, Naoaki Okazaki, Mitsuru Ishizuka
Ordering information is a difficult but important task for applications generating natural-language text. We present a bottom-up approach to arranging sentences extracted for multi-document...
MPML3D: a reactive framework for the Multimodal Presentation Markup Language (2006)
Michael Nischt, Helmut Prendinger, Elisabeth André, Mitsuru Ishizuka
Abstract. MPML3D is our first candidate of the next generation of authoring languages aimed at supporting digital content creators in providing highly appealing and highly interactive content with...
A bottom-up approach to sentence ordering for multi-document summarization (2006)
Danushka Bollegala, Naoaki Okazaki, Mitsuru Ishizuka
Ordering information is a difficult but important task for applications generating natural-language text. We present a bottom-up approach to arranging sentences extracted for multi-document...
A Bottom-up Approach to Sentence Ordering for Multi-document Summarization (2006)
Danushka Bollegala, Naoaki Okazaki, Mitsuru Ishizuka
Ordering information is a difficult but important task for applications generating naturallanguage texts such as multi-document summarization, question answering, and conceptto-text generation. In...
Nikolaus Bee, Helmut Prendinger, Arturo Nakasone, Elisabeth André, Mitsuru Ishizuka
Abstract. While objects of our focus of attention (“where we are looking at”) and accompanying affective responses to those objects is part of our daily experience, little research exists on...
Emotion recognition from electromyography and skin conductance (2005)
Arturo Nakasone, Helmut Prendinger, Mitsuru Ishizuka
Abstract — The evocation and detection of the user’s emotional state is becoming a crucial element in the aim for developing more effective interfaces between humans and computers, especially in...
Emotion recognition from electromyography and skin conductance (2005)
Arturo Nakasone, Helmut Prendinger, Mitsuru Ishizuka
Abstract — The evocation and detection of the user’s emotional state is becoming a crucial element in the aim for developing more effective interfaces between humans and computers, especially in...
Abstract Emerging topic tracking system in WWW (2005)
Khoo Khyou Bun, Mitsuru Ishizuka
Due to its open characteristic, the Web is being posted with vast amount of new information changes continuously. Consequently, at any time, it is conceivable that there will be hot issues (emerging...
Finding user semantics on the web using word co-occurrence information (2005)
Junichiro Mori, Yutaka Matsuo, Mitsuru Ishizuka
Abstract. With the currently growing interest in the Semantic Web, describing user semantics to model users and their social relationships is coming to play an important role. This paper proposes a...
Evaluating affective feedback of the 3D agent Max in a competitive cards game (2005)
Christian Becker, Helmut Prendinger, Mitsuru Ishizuka, Ipke Wachsmuth
Abstract. Within the field of Embodied Conversational Agents (ECAs), the simulation of emotions has been suggested as a means to enhance the believability of ECAs and also to effectively contribute...
Recognizing, modeling, and responding to users affective states (2005)
Helmut Prendinger, Junichiro Mori, Mitsuru Ishizuka
Abstract. We describe a system that recognizes physiological data of users in real-time, interprets this information as affective states, and responds to affect by employing an animated agent. The...
Danushka Bollegala, Naoaki Okazaki, Mitsuru Ishizuka
Abstract. Ordering information is a difficult but a important task for natural language generation applications. A wrong order of information not only makes it difficult to understand, but also...
PRENDINGER, Helmut, ISHIZUKA, Mitsuru
This paper highlights some of our recent research efforts in designing and evaluating life-like characters that are capable of entertaining affective and social communication with human users. The...
M.: Prisoner’s dilemma game on network (2005)
Masahiro Ono, Mitsuru Ishizuka
Abstract. We study on the Prisoner’s Dilemma game on network to clarify the influence of the network structures on agent strategies, and vice versa. A model is proposed to treat an interaction...
Web Page Summarization Using Dynamic Content (2004)
Summarizing web pages have recently gained much attention from researchers. Until now two main types of approaches have been proposed for this task: content- and context-based methods. Both of them...
Humanoid robot presentation controlled by multimodal presentation markup language MPML (2004)
Yasubumi Nozawa, Hiroshi Dohi, Hitoshi Iba, Mitsuru Ishizuka
We have developed a Multimodal Presentation Markup Language, called MPML. In our previous studies, we have succeeded to make attractive multimodal presentation with animated virtual characters...
Introducing the Cast for Social Computing: Life-Like Characters (2004)
Helmut Prendinger, Mitsuru Ishizuka
Life-like characters are one of the most exciting technologies for human– computer interface applications. They convincingly take the roles of virtual presenters, synthetic actors and sales...
M.: Change Summarization in Web Collections (2004)
Adam Jatowt, Khoo Khyou Bun, Mitsuru Ishizuka
Abstract. World Wide Web is not only enormous but also dynamic information space. Every day large quantity of new information is published on web pages. Many times people want to know what are the...
Keyword Extraction from the Web for Personal Metadata Annotation (2004)
Junichiro Mori, Yutaka Matsuo, Mitsuru Ishizuka, Boi Faltings
Abstract. With the currently growing interest in the Semantic Web and Social Networking, personal metadata is coming to play an important role in the Web. This paper proposes a novel keyword...
Summarization of Dynamic Content in Web Collections (2004)
This paper describes a new research proposal of multi-document summarization of dynamic content in web pages. Much information is lost in the Web due to the temporal character of web documents....
Finding Social Network for Trust Calculation (2004)
Yutaka Matsuo, Hironori Tomobe, Kôiti Hasida, Mitsuru Ishizuka
Abstract. Trust is a necessary concept to realize the Semantic Web. But how can we build a “Web of Trust”? We first argue that a small “Web of Trust ” for each community is very essential to...
Scripting and Evaluating Affective Interactions with Embodied Conversational Agents (2004)
Helmut Prendinger, Junichiro Mori, Santi Saeyor, Kyoshi Mori, Naoaki Okazaki, Yustinus Juli, ...
This paper describes the results obtained and ongoing agenda of a research project on embodied conversational agents, carried out at the University of Tokyo. The main focus points of the project are...
Keyword Extraction from the Web for Personal Metadata Annotation (2004)
Junichiro Mori, Yutaka Matsuo, Mitsuru Ishizuka, Boi Faltings
Abstract. With the currently growing interest in the Semantic Web and Social Networking, personal metadata is coming to play an important role in the Web. This paper proposes a novel keyword...
Helmut Prendinger, Sonja Mayer, Junichiro Mori, Mitsuru Ishizuka
The so-called `persona effect' describes the phenomenon that a life-like interface agent can have a positive effect on the user's perception of a computer-based interaction task. Whereas...
Enhancing Conversational Flexibility in Multimodal Interactions with Embodied Lifelike Agents (2003)
Kyoshi Mori, Adam Jatowt, Mitsuru Ishizuka
Research carried out in authoring systems for embodied agent based presentations have traditionally been confined to scripted interactive presentations. In recent years, however, there has been a...
Keyword Extraction from a Single Document using Word Co-occurrence Statistical Information (2003)
Yutaka Matsuo, Mitsuru Ishizuka
We present a new keyword extraction algorithm that applies to a single document without using a corpus. Frequent terms are extracted first, then a set of cooccurrence between each term and the...
Enhancing conversational flexibility in multimodal interactions with embodied lifelike agents (2003)
Kyoshi Mori, Adam Jatowt, Mitsuru Ishizuka
Research carried out in authoring systems for embodied agent based presentations have traditionally been confined to scripted interactive presentations. In recent years, however, there has been a...
Using Bio-signals to Track the Effects of a Character-based Interface (2003)
Junichiro Mori, Helmut Prendinger, Sonja Mayer, Hiroshi Dohi, Mitsuru Ishizuka
The aim of the experimental study described in this paper is to show the impact of a character-based interface on users' emotional state which is derived from physiological signals of the user....
Designing and Evaluating Animated Agents as Social Actors (2003)
Helmut Prendinger, Mitsuru Ishizuka
... This paper first discusses design principles for animated agents to enhance their effectiveness as tutors, sales persons, or actors, among other roles. It is argued that agents should support...
Query-Based Discovering Of Popular Changes In WWW (2003)
Adam Jatowt, Khoo Khyou Bun, Mitsuru Ishizuka
This paper presents the method for retrieving and summarizing changes in topics from online resources. Users often want to know what are the major changes in their areas of interest. Usually, change...
Character-based Interfaces Adapting to Users' Autonomic Nervous System Activity (2003)
Helmut Prendinger, Junichiro Mori, Sonja Mayer, Mitsuru Ishizuka
This paper explores some possibilities of using real-time processing of users' physiological signals in order to improve the interaction with character-based interfaces. Specifically, interfaces...
Evaluation of an Embodied Conversational Agent with Affective Behavior (2003)
Junichiro Mori, Helmut Prendinger, Mitsuru Ishizuka
The aim of the experimental study described in this paper is to investigate the effect of an Embodied Conversational Agent (ECA) on the affective state of users. The agent expresses affect by verbal...
A Subjective Measure of Distance on the WWW (2002)
Matsuo, Yutaka, Ohsawa, Yukio, Ishizuka, Mitsuru
In this paper, we propose a new definition of the distance between two pages, called average-clicks. It is based on the probability to click a link through random surfing. We compare the...
Influence Diffusion Model in Text-Based Communication (2002)
Matsumura, Naohiro, Ohsawa, Yukio, Ishizuka, Mitsuru
In this paper, we aim at finding influential people, comments, and terms contributing the discovery of fascinating topics stimulating peoples' interest. For this purpose, we propose an Influence...
Mining Mailing List Archives (2002)
Matsumura, Naohiro, Ohsawa, Yukio, Ishizuka, Mitsuru
Mailing lists on the Internet are the community where people discuss various topics via E-mail. In this paper, we aim at discovering influential comments stimulating peoples' interest by mining the...
Trends in Artificial Intelligence (2002)
Ishizuka, Mitsuru, Sattar, Abdul, Mitsuru Ishizuka And Abdul Sattar, Hozumi Tanaka
No
Topic Extraction from News Archive Using TF*PDF Algorithm (2002)
Khoo Khyou Bun, Mitsuru Ishizuka, Bun Mitsuru Ishizuka
Busy and no time to digest the news archive .... ? Ever since the Web wide-spreading, the amount of electronically available information online, especially news archive proliferates and threatens to...
Browsing Support by Hilighting Keywords based on a User's Browsing History (2002)
Yutaka Matsuo, Hayato Fukuta, Mitsuru Ishizuka
We develop a browsing support system which learns user's interests and highlights keywords based on a user's browsing history. Monitoring the user's access to the Web enable us to...
Designing Animated Agents as Social Actors and Dramatis Personae for Web-based Interaction (2002)
Helmut Prendinger, Mitsuru Ishizuka
... This paper discusses design principles for animated agents to enhance their effectiveness as tutors, sales persons, or actors, among other roles. It is argued that agents should support their...
PAI: Automatic Indexing for Extracting Asserted Keywords from a Document (2002)
Naohiro Matsumura, Yukio Ohsawa, Mitsuru Ishizuka
anautomN2fF indexingm ethodnamNffi PAI(PrimN5ffi Activation Indexing) that extracts keywords expressing the author'sm ain pointfrom a documN4H based on the primNGD effect. The basic idea is that...
A Multimodal Presentation Markup Language MPML-VR for a 3D Virtual Space (2002)
Naoaki Okazaki, Sohei Aya, Santi Saeyor, Mitsuru Ishizuka
Toward effective information distribution through WWW and a new style of multimodal media, we are conducting researches on multimodal presentation using lifelike character agents. As part of our...
Evolving social relationships with animate characters (2002)
Helmut Prendinger, Mitsuru Ishizuka
In order to come across as life-like or animate, characters must change their attitudes (‘evolve’) as a consequence of their affective interaction histories with other agents. This paper...
Yutaka Matsuo, Mitsuru Ishizuka
Abstract. This paper describes two ways to transform propositional clauses into mathematical constraints, and gives an overview of mathematical optimization approaches to inference. The first...
SCREAM: Scripting Emotion-based Agent Minds (2002)
Helmut Prendinger, Mitsuru Ishizuka
SCREAM is a scripting tool that enables authors to generate emotionally and socially appropriate responses of animated agents. System users may design the mental make-up of an agent by declaring a...
Scripting affective communication with life-like characters in web-based interaction systems (2002)
Helmut Prendinger, Sylvain Descamps, Mitsuru Ishizuka
In this paper, we discuss scripting tools that aim at facilitating the design of web-based interactions with animated characters capable of affective communication. Specifically, two systems are...
Mining messages in an electronic message board by repetition of words (2002)
Yutaka Matsuo, Yukio Ohsawa, Mitsuru Ishizuka
In this paper, we develop an algorithm to mine message boards, e.g., Yahoo! Clubs. Each message is evaluated by three indices: (i) the degree of inclusion of given information, (ii) the degree of...
Scripting the bodies and minds of life-like characters (2002)
Helmut Prendinger, Sylvain Descamps, Mitsuru Ishizuka
Abstract. In this paper, two systems will be described. First, we present an architecture for emotion-based agents, called SCREAM, that allows to encode affect-related processes for an animate...
Scripting affective communication with life-like characters in web-based interaction systems (2002)
Helmut Prendinger, Sylvain Descamps, Mitsuru Ishizuka
In this paper, we discuss scripting tools that aim at facilitating the design of Web-based interactions with animated characters capable of affective communication. Speci � cally, two systems are...
Let’s talk! Socially intelligent agents for language conversation training (2001)
Helmut Prendinger, Mitsuru Ishizuka
Abstract — This paper promotes socially intelligent animated agents for the pedagogical task of English conversation training for native speakers of Japanese. Since student-agent conversations are...
Average-clicks: A New Measure of Distance on the World Wide Web (2001)
Yutaka Matsuo, Yukio Ohsawa, Mitsuru Ishizuka
The pages and hyperlinks of the World Wide Web may be viewed as nodes and edges in a directed graph. In this paper, we propose a new definition of the distance between two pages, called...
A 3D agent with synthetic face and semiautonomous behavior for multimodal presentations (2001)
Istvan Barakonyi, Mitsuru Ishizuka
Numerous researchers in the human-computer interaction field develop applications for and test theories with lifelike animated agents. In this paper we present a three-dimensional agent with...
Probabilistic Asynchronous p-Calculus (2001)
Yutaka Matsuo, Yukio Ohsawa, Mitsuru Ishizuka
Abstract. The pages and hyperlinks of the World Wide Web may be viewed as nodes and edges in a directed graph. In this paper, we propose a new definition of the distance between two pages, called...
Discovery of emerging topics between communities on www (2001)
Naohiro Matsumura, Mitsuru Ishizuka
Abstract. In the real world, discovering new topics covering profitable items and ideas (e.g., mobile phone, global warming, human genome project, etc) is important and interesting. However, since we...
Discovering seeds of New Interest Spread from Premature Pages Cited by Multiple Communities (2001)
Naohiro Matsumura, Mitsuru Ishizuka
Abstract. The World Wide Web is a great source of new topics significant for trend birth and creation. In this paper, we propose a method for discovering topics, which stimulate communities of people...
Naohiro Matsumura, Mitsuru Ishizuka
Abstract. Discovering new topics covering profitable items and ideas (e.g., mobile phone, global warming, human genome project, etc) is important and interesting. However, since we cannot completely...
KeyWorld: Extracting keywords from a document as a small world (2001)
Yutaka Matsuo, Yukio Ohsawa, Mitsuru Ishizuka
Abstract. The small world topology is known widespread in biological, social and man-made systems. This paper shows that the small world structure also exists in documents, such as papers. A document...
Social Computing: Life-like Characters as Social Actors (2001)
Helmut Prendinger, Mitsuru Ishizuka
Social Computing aims to support the tendency of humans to interact with computers as if they were veritable social actors. Technology that reinforces the bias toward social interaction by producing...
Simulating Affective Communication with Animated Agents (2001)
Helmut Prendinger, Mitsuru Ishizuka
Abstract: This paper introduces a model of interaction between users and animated agents as well as inter-agent interaction that supports basic features of affective communication. As essential...
Appraisal and filter programs for affective communication. Paper presented at the (2001)
Helmut Prendinger, Mitsuru Ishizuka
This paper introduces a model of user-agent and interagent interaction that supports basic features of affective communication. As essential requirements for animated agents ’ capability to engage...
Let’s talk! Socially intelligent agents for language conversation training (2001)
Helmut Prendinger, Mitsuru Ishizuka
Abstract--- This paper promotes socially intelligent animated agents for the pedagogical task of English conversation training for native speakers of Japanese. Since student-agent conversations are...
Some Methodological Considerations on Chance Discovery (2001)
Helmut Prendinger, Mitsuru Ishizuka
This paper investigates the methodological foundations of a new research field called chance discovery which aims to detect future opportunities and risks. By drawing on concepts from cybernetics and...
Carrying the role-playing metaphor to interactive learning environments (2001)
Helmut Prendinger, Mitsuru Ishizuka
We motivate the role-playing metaphor for intelligent educational interfaces in two ways: first, as an enjoyable interaction style between users and animated agents, and secondly- taken more...
Carrying the role-playing metaphor to interactive learning environments (2001)
Helmut Prendinger, Mitsuru Ishizuka
In this paper, we motivate the role-playing metaphor for intelligent educational interfaces in two ways: first, as an enjoyable interaction style between users and animated agent characters, and...
Some Methodological Considerations on Chance Discovery (2001)
Helmut Prendinger, Mitsuru Ishizuka
This paper investigates the methodological foundations of a new research field called chance discovery, which aims to detect future opportunities and risks. By drawing on concepts from cybernetics...
A multimodal presentation mark-up language for enhanced affective presentation (2001)
Sylvain Descamps, Helmut Prendinger, Mitsuru Ishizuka
Nowadays, agent systems are flourishing. We can see them presenting news on the Internet, or guiding virtual tourists in 3D worlds. All these agents are considered as a new interface between user and...
Agents That Talk Back (Sometimes): Filter Programs for Affective Communication (2001)
Helmut Prendinger, Mitsuru Ishizuka
This paper introduces a model of interaction between users and animated agents as well as inter-agent interaction that supports basic features of affective conversation. As essential requirements for...
Some Methodological Considerations on Chance Discovery (2001)
Helmut Prendinger, Mitsuru Ishizuka
This paper investigates the methodological foundations of a new research field called chance discovery which aims to detect future opportunities and risks. By drawing on concepts from cybernetics and...
Santi Saeyor Mitsuru, Mitsuru Ishizuka
The Web reposi]]O:M are exposedi form of a huge amount of heterogeneousierogeneou sources. TheieIS: matiS i overwhelmiN the users. Besi.I the target irget matie itiet the changes upon the previ][I8...
The Hyper system: Knowledge reformation for efficient first-order hypothetical reasoning (2000)
Helmut Prendinger, Mitsuru Ishizuka, Tetsu Yamamoto
Abstract. We present the Hyper system that implements a new approach to knowledge compilation, where function-free first-order acyclic Horn theories are transformed to propositional logic. The...
Yuan Zong, Hiroshi Dohi, Mitsuru Ishizuka
With the increase of multimedia contents in the WWW, multimodal presentation using interactive life-like agents is attractive and becoming important. However, it is not easy for many people to write...
Qualifying the expressivity/efficiency tradeoff: Reformationbased diagnosis (1999)
Helmut Prendinger, Mitsuru Ishizuka
This paper presents an approach to model-based diagnosis that first compiles a first-order system description to a propositional representation, and then solves the diagnostic problem as a linear...
Cooperative Matchmaking of Requests Among Distributed Change Monitoring Service Agents (1999)
Santi Saeyor And, Santi Saeyor, Mitsuru Ishizuka
: Web repositories are huge amount of heterogeneous information sources. Besides the target information itself, the changes in Web repository are significant and worth being notified to the user who...
Santi Saeyor, Mitsuru Ishizuka
. The Web repositories are exposed in form of a huge amount of heterogeneous information sources. The information is overwhelming the users. Besides the target information itself, the changes upon...
Qualifying the Expressivity/Efficiency Tradeoff: Reformation-Based Diagnosis (1999)
Helmut Prendinger, Mitsuru Ishizuka
This paper presents an approach to model-based diagnosis that first compiles a first-order system description to a propositional representation, and then solves the diagnostic problem as a linear...
First-Order Diagnosis by Propositional Reasoning: A Representation-Based Approach (1999)
Helmut Prendinger, Mitsuru Ishizuka
We present an approach to diagnosis that first compiles a first-order system description into a propositional representation, and then solves the diagnostic problem as a linear programming instance....
Preparing a First-order Knowledge Base for Fast Inference (1999)
Helmut Prendinger, Mitsuru Ishizuka
This paper presents an effective method to encode function-free first-order Horn theories in propositional logic. To keep the resulting theory within manageable size, we employ techniques from...
Multi-modal Presentation of Changes in Web Repositories (1999)
Santi Saeyor, Mitsuru Ishizuka
: Information in Web repositories changes dynamically and unpredictably. At the same time, the scale of Web repositories is increasing every second. In most cases, users of the World Wide Web have to...
Adaptive Changes Monitoring Service in Web Repositories Based on Agent Games (1999)
Santi Saeyor Mitsuru, Mitsuru Ishizuka
: Changes made in Web repositories occur at unpredictable rates. Besides the target information itself, the changes upon the previously released information are significant and worth being notified...
Preparing a first-order knowledge base for fast inference (1999)
Helmut Prendinger, Mitsuru Ishizuka
This paper presents an effective method to encode function-free first-order Horn theories in propositional logic. To keep the resulting theory within manageable size, we employ techniques from...
Naoaki Okazaki, Student Member, Yutaka Matsuo, Naohiro Matsumura, Mitsuru Ishizuka
SUMMARY Although there has been a great deal of research on automatic summarization, most methods rely on statistical methods, disregarding relationships between extracted textual segments. We...
APS, a Prolog-Based Anytime Planning System (1998)
Helmut Prendinger, Mitsuru Ishizuka
We introduce Aps (Anytime Planning System), a planner that finds plausible (or approximate) plans quickly and can be interrupted at (almost) any time [5]. The generated plans may depend on unproved...
Hiroshi Dohi, Mitsuru Ishizuka
The Visual Software Agent (VSA) is an Internet{ based interface agent with rocking realistic face and speech dialog function. The VSA embodies a humanlike face-to-face style communication...
Hiroshi Dohi, Mitsuru Ishizuka
This paper describes the Visual Software Agent (VSA), an Internet{based interface agent with rocking realistic face and speech dialog function. The VSA is connected with the WWW/Mosaic. Therefore, we...
Yukio Ohsawa, Mitsuru Ishizuka
Hypothetical reasoning (abduction) is an important knowledge processing framework because of its theoretical basis and its usefulness for solving practical problems including diagnosis, design, etc....
A Visual Software Agent connected with the WWW/Mosaic (1996)
Hiroshi Dohi, Mitsuru Ishizuka
We have so far proposed the Visual Software Agent (VSA), an anthropomorphous agent with realistic face, eye, ear and mouth functions. It intends to realize a prototype for advanced human interfaces...
A Multi-Purpose Dialogue Management System employing Visual Anthropomorphous Agent (1995)
Masafumi Mori, Hiroshi Dohi, Mitsuru ISHIZUKA
We have been constructing a visual anthropomorphous agent system called Visual Software Agent(VSA). The VSA has a texture-mapped realistic human facial image and moves his/her face with facial...
GeneView: multi-language human gene mapping library with a graphical user interface (1993)
Dohi, Hiroshi, Ishizuka, Mitsuru, Minoshima, Shinsei, Shimizu, Nobuyoshi
GeneView is a newly developed human gene mapping library system that works on an X-Window platform. This system is designed for researchers who routinely utilize gene mapping data in the laboratory...
Inexact inference for rulebased damage assessment of existing structures (1981)
The knowledge organization of a rule-based damage assessment system of existing structures subjected to earthquake excitation is outlined in this paper. A principle of inexact inference to obtain a...
Kazutaka Kushida, Yoshitaka Nishimura, Hiroshi Dohi, Mitsuru Ishizuka
Multi-modality is becoming important to improve the understandability and friendliness in human-computer interfaces and media contents. We have developed a Multimodal Presentation Markup Language,...