Mark Chignell

Personalization of PIM Functionality within Mobile Devices (2008)

Jacek Gwizdka, Mark Chignell

There has been considerable discussion of the problem of information overload (e.g., Wurman, 1989), where there is simply too much information to be assimilated. People also suffer from communication...

retrieval (2008)

Danielle Lottridge, Mark Chignell, Sharon Straus

Social impacts of handheld computer information

Listening to Unfamiliar Voices in Spatial Audio: Does Visualization of Spatial Position Enhance Voice Identification? (2008)

Ryan Kilgore, Mark Chignell

The use of spatial audio to present voices from unique locations around a listener's head has been demonstrated to enhance the perception and cognition of auditory events for a variety of...

The Vocal Village: Enhancing Collaboration with (2008)

Spatialized Audioconferencing, Ryan Kilgore, Mark Chignell

Abstract: Traditional methods of voice communication fail to adequately address the needs of users engaged in remote collaborative activities. While some emerging technologies offer greater support...

1. Individual Differences (2008)

Jacek Gwizdka, Mark Chignell

This is the final author's version. The final published version may differ, In an increasingly complex world where people routinely handle large amounts of information, individuals are...

And (2008)

Ryan Kilgore, Mark Chignell, Paul Smith

Audioconference participants often have difficulty identifying the voices of other conferees, especially in ad hoc groups of unfamiliar members. Simultaneous presentation of multiple voices through a...

*Corresponding author (2008)

Alvin Chin, Mark Chignell

communities in blogs: roles for social network analysis and survey instruments

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...

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...

PROCEEDINGS of the HUMAN FACTORS AND ERGONOMICS SOCIETY 46th ANNUAL MEETING-- 2002 993 Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting-- 2002 PROFILING USERS OF A UNIFIED COMMUNICATION SERVICE: UNDERSTANDING COMMUNICATION TRAIT (2008)

Mark Chignell

In spite of the powerful functionality and message integration offered, unified communication (UC) has yet to be widely adopted as a solution that meets the demands and complexities of modem...

Group differences in physician responses to handheld presentation of clinical evidence: a verbal protocol analysis (2007)

Lottridge, Danielle M, Chignell, Mark, Danicic-Mizdrak, Romana, Pavlovic, Nada J, Kushniruk, Andre, Straus, Sharon E

Abstract Background To identify individual differences in physicians' needs for the presentation of evidence resources and preferences for mobile devices. Methods Within-groups analysis of responses...

Individual Differences in Personal Information Management (2007)

Gwizdka, Jacek, Chignell, Mark

In an increasingly complex world where people routinely handle large amounts of information, individuals are constantly challenged to manage and effectively use the information that they are...

Earpod: eyes-free menu selection using touch input and reactive audio feedback (2007)

Shengdong Zhao, Pierre Dragicevic, Mark Chignell, Ravin Balakrishnan, Patrick Baudisch

baudisch @ microsoft.com Figure 1. Using earPod. (a, b) Sliding the thumb on the circular touchpad allows discovery of menu items; (c) the desired item is selected by lifting the thumb; (d) faster...

Earpod: eyes-free menu selection using touch input and reactive audio feedback (2007)

Shengdong Zhao, Pierre Dragicevic, Mark Chignell, Ravin Balakrishnan, Patrick Baudisch

baudisch @ microsoft.com Figure 1. Using earPod. (a, b) Sliding the thumb on the circular touchpad allows discovery of menu items; (c) the desired item is selected by lifting the thumb; (d) faster...

Earpod: eyes-free menu selection using touch input and reactive audio feedback (2007)

Shengdong Zhao, Pierre Dragicevic, Mark Chignell, Ravin Balakrishnan, Patrick Baudisch

baudisch @ microsoft.com Figure 1. Using earPod. (a, b) Sliding the thumb on the circular touchpad allows discovery of menu items; (c) the desired item is selected by lifting the thumb; (d) faster...

BMC Medical Informatics and Decision Making (2007)

Biomed Central, Danielle M Lottridge, Mark Chignell, Romana Danicic-mizdrak, Nada J Pavlovic, Andre Kushniruk, ...

Research article Group differences in physician responses to handheld presentation of clinical evidence: a verbal protocol analysis

A Framework for Automated Evaluation of Hypertext Search Interfaces (2006)

Bodner, Richard, Chignell, Mark

An evaluation framework and simulator of an interactive information retrieval system (SIIIRS) is introduced. SIIIRS is designed to allow researchers to conduct many exploratory studies that can help...

Searching in Audio: The Utility of Transcripts, Dichotic Presentation, and Time-compression (2006)

Abhishek Ranjan, Ravin Balakrishnan, Mark Chignell

Searching audio data can potentially be facilitated by the use of automatic speech recognition (ASR) technology to generate text transcripts which can then be easily queried. However, since current...

Searching in audio: the utility of transcripts, dichotic presentation, and time-compression (2006)

Abhishek Ranjan, Ravin Balakrishnan, Mark Chignell

Searching audio data can potentially be facilitated by the use of automatic speech recognition (ASR) technology to generate text transcripts which can then be easily queried. However, since current...

Finding evidence of community from blogging co-citations: a social network analytic approach (2006)

Alvin Chin, Mark Chignell

In this paper, we examine the problem of evaluating communities in blogs. We describe the construction and instrumentation of a research blog (on Canadian independent music) designed as a tool for...

Searching in audio: the utility of transcripts, dichotic presentation, and time-compression (2006)

Abhishek Ranjan, Ravin Balakrishnan, Mark Chignell

Searching audio data can potentially be facilitated by the use of automatic speech recognition (ASR) technology to generate text transcripts which can then be easily queried. However, since current...

Individual Differences and Task-based User Interface Evaluation: A Case Study of Pending Tasks in Email. (2004)

Gwizdka, Jacek, Chignell, Mark

This paper addresses issues raised by the ever-expanding role of email as a multi-faceted application that combines communication, collaboration, and task management. Individual differences analysis...

Individual differences and task-based user interface evaluation: A case study of pending tasks in email. Interacting with Computers (2004)

Jacek Gwizdka, Mark Chignell

This paper addresses issues raised by the ever-expanding role of email as a multi-faceted application that combines communication, collaboration, and task management. Individual differences analysis...

Assessment of the effects of user characteristics on mental models of information retrieval systems (2001)

Xiangmin Zhang, Mark Chignell

This article reports the results of astudy that investigatedeffectsoffourusercharacteristicsonusers’mental models of information retrieval systems: educational and professional status, first...

Building virtual communities for research collaboration. Paper presented at the (2000)

M. C. Schraefel, Janet Ho, Mark Chignell

This paper discusses the problem of how to grow and evolve virtual infrastructures that support the development and growth of geographically dispersed research communities. It will describe ongoing...

Discriminating Meta-Search: A Framework for Evaluation (1999)

Chignell, Mark, Gwizdka, Jacek, Bodner, Richard

There was a proliferation of electronic information sources and search engines in the 1990s. Many of these information sources became available through the ubiquitous interface of the Web browser....

Towards Information Retrieval Measures for Evaluation of Web Search Engines (1999)

Jacek Gwizdka, Mark Chignell

Information retrieval on the Web is very different from retrieval in traditional indexed databases. This difference arises from: the high degree of dynamism of the Web; its hyper-linked character;...

Towards Information Retrieval Measures for Evaluation of Web Search Engines (1999)

Jacek Gwizdka, Mark Chignell

Information retrieval on the Web is very different from retrieval in traditional indexed databases. This difference arises from: the high degree of dynamism of the Web; its hyper-linked character;...

Dynamic Hypertext: Querying and Linking (1999)

Richard Bodner And, Richard Bodner, Mark Chignell

There are many models of hypertext, distinguished by a number of factors such as the underlying semantic data model (link typing and node typing), the degree of dynamic linking in the hypertext, and...

Information Archiving with Bookmarks: Personal Web Space Construction and Organization (1998)

David Abrams, Ron Baecker, Mark Chignell

Boolma & are used as “personal Web information spaces” to help people remember and retrieve interesting Web pages. A study of personal Web tiormation spaces sm-veyed 322 Web users and...

Information Archiving with Bookmarks: Personal Web Space Construction and Organization (1998)

David Abrams, Ron Baecker, Mark Chignell

Boolma & are used as “personal Web information spaces” to help people remember and retrieve interesting Web pages. A study of personal Web tiormation spaces sm-veyed 322 Web users and...

Electronic engineering notebooks: A study in structuring design notes (1998)

Jacek Gwizdka, Mark Fox, Mark Chignell

The electronic engineering notebook (EEN) is a pen-based computer tool designed to capture engineering notes and to assist in structuring them. Structuring of design meeting notes was studied using...

Electronic engineering notebooks: A study in structuring design notes (1998)

Jacek Gwizdka, Mark Fox, Mark Chignell

The electronic engineering notebook (EEN) is a pen-based computer tool designed to capture engineering notes and to assist in structuring them. Structuring of design meeting notes was studied using...

Browsing Local and Global Information (1995)

Masum Hasan, Gene Golovchinsky, Emanuel Noik, Nipon Charoenkitkarn, Mark Chignell, Alberto Mendelzon, ...

Current World Wide Web browsers, e.g., Mosaic and Netscape, support users primarily in the task of browsing the Internet. In some situations, users want to explore topics for which relevant...

Browsing Local and Global Information (1995)

Masum Hasan, Gene Golovchinsky, Emanuel Noik, Nipon Charoenkitkarn, Mark Chignell, Alberto Mendelzon, ...

CurrentWorld Wide Web browsers, e.g., Mosaic and Netscape, support users primarily in the task of browsing the Internet. In some situations, users want to explore topics for which relevant...

Interactive Exploration as a Formal Text Retrieval Method: How Well can Interactivity Compensate for Unsophisticated Retrieval Algorithms (1994)

Nipon Charoenkitkarn, Mark Chignell, Gene Golovchinsky

this paper show, our system was able to perform large scale text retrieval on routing queries, albeit not at a level to challenge well established text retrieval systems. However, since ST-PatTREC...