On Constructing High Performance Overlay for Layered Streaming in Heterogeneous Networks ∗ (2009)
Xin Xiao, Yuanchun Shi, Zhijia Chen, Baopeng Zhang
This paper presents the mechanism and evaluation of a Qos-aware Overlay Construction Approach for Layered Streaming, called OCals. The motivation originates from the lack of overlay construction...
Hao Jiang, Ron B. Yeh, Terry Winograd, Yuanchun Shi
This paper presents DigiPost, a system for collaborative editing around a tabletop display. In DigiPost, a physical posting gesture links a post-it note with a location on the interactive tabletop....
A Peer-to-Peer Semantic-Based Service Discovery Method for Pervasive Computing Environment (2009)
Baopeng Zhang, Yuanchun Shi, Xin Xiao
Abstract. The paper proposes a novel distributed service discovery method for the pervasive computing environment. The method is based on the concept of small world, policy-based advertisement and...
WEB PAGE SEGMENTATION BASED ON GESTALT THEORY* (2009)
Automatic web page segmentation is the basis to adaptive web browsing on mobile devices. It breaks a large page into smaller blocks, in which contents with coherent semantics are keeping together....
Speaker Tracking and Identifying based on Indoor Localization System and Microphone Array (2009)
Xiaojie Chen, Yuanchun Shi, Wenfeng Jiang
This paper presents a novel multimodal system to track the participants and identify the active speaker in the smart meeting room. Indoor localization system, Cicada, is used to obtain the location...
Open Smart Classroom: Extensible and Scalable Smart Space Using Web Service Technology * (2009)
Yue Suo, Naoki Miyata, Toru Ishida, Yuanchun Shi
Abstract. Real-time interactive virtual classroom with tele-education experience is an important type of distance learning, while the current available systems are not able to connect different...
Xin Xiao, Yuanchun Shi, Meng Zhang
The push method for data transmission in peer-to-peer system has drawn great interest, since it can efficiently reduce the accumulated latency observed at user nodes. However, it can cause redundant...
Xiaojun Bi, Yuanchun Shi, Xiaojie Chen, Peifeng Xiang
Large displays are widely equipped in Smart Spaces these days. However, traditional interaction devices which are designed to suit desktop screen, such as mice, keyboards, have various limitations in...
An Experimental Study on Cheating and Anti-Cheating in Gossip-based Protocol (2008)
Yun Tang, Nan Zhang, Yuanchun Shi, Shiqiang Yang, Yuzhuo Zhong
Abstract—The Internet has witnessed a rapid growth in deployment of gossip-based protocol in many multicast applications. In a typical gossip-based protocol, each node independently exchanges data...
Baopeng Zhang, Yuanchun Shi, Xin Xiao
Service composition allows distributed application, such as multimedia application, to be composed from atomic service units and to adapt dynamically to users ’ requirements and environment...
CAMPS: A Middleware for Providing Context-Aware Services for Smart Space ⋆ (2008)
Weijun Qin, Yue Suo, Yuanchun Shi
Abstract. Context-awareness enhances intelligent behaviors in pervasive computing environments, although it is still a great challenge to enable context-awareness due to lack of effective...
Smart Classroom – an Intelligent Environment for distant education (2008)
Weikai Xie, Yuanchun Shi, Guanyou Xu
In this paper, we present our current work on Intelligent Environment- the Smart Classroom project. It is an augmented classroom used for teachers in the distant education. The teacher can write...
Enyi Chen, Yuanchun Shi, Degan Zhang, Guangyou Xu
This paper presents the Intelligent Meeting Room, an ongoing project dedicated to the development of an augmented meeting room, which facilitates participants with mobile device to argue or discuss...
Xin Xiang, Ling Guo, Yuanchun Shi
With the progress of Web-based learning technologies, standardized digital repositories and learning management systems are becoming prevalent over time. The heterogeneity in underlying databases and...
Use Web Usage Mining to Assist Online E-Learning Assessment (2008)
Ling Guo, Xin Xiang, Yuanchun Shi
In this paper we present a set of models related to online learning activities. We also present our approach to assess student behavior through web log mining. 1.
uPen: Laser-based, Personalized, Multi-User Interaction on Large Displays (2008)
Xiaojun Bi, Yuanchun Shi, Xiaojie Chen, Peifeng Xiang
We present the uPen, a laser pointer combined with a contactpushed switch, three press buttons and a wireless communication module. This novel interaction device allows users to interact on large...
Drag and Drop by Laser Pointer: Seamless Interaction with Multiple Large Displays (2008)
Liang Zhang, Yuanchun Shi, Jichun Chen
Abstract. This paper presents a novel interaction technique with multiple large displays in smart space. We call it D2LP, short for Drag and Drop by Laser Pointer, where a specially designed laser...
Yanhua Mao, Weikai Xie, Yuanchun Shi, Guangyou Xu, Xin Xiang
Abstract. Smart Classroom is a Smart Space developed to enhance teleeducation practice. This paper describes the considerations of bringing forward Smart Platform as the software infrastructure of...
Use Web Usage Mining to Assist Online E-Learning Assessment (2008)
Ling Guo, Xin Xiang, Yuanchun Shi
In this paper we present a set of models related to online learning activities. We also present our approach to assess student behavior through web log mining. 1.
Toward A Better User Experience in Tele-education – Recent Advance in Smart Classroom Project (2008)
Weikai Xie, Yuanchun Shi, Guanyou Xu
Smart Classroom is an augmented classroom in which Tele-education functions can be seamlessly integrated with the face-to-face education environment. Some recent achievements of this project is...
CUBES: Providing Flexible Learning Environment for Virtual Universities (2008)
Peifeng Xiang, Yuanchun Shi, Weijun Qin, Xin Xiang
Abstract To enable an online virtual university, a learning environment covering the entire spectrum of the learning and management process is required. However, constructing such an environment...
A Network Service Framework for Mobile Pervasive Computing (2008)
Enyi Chen, Yuanchun Shi, Guangyou Xu
Abstract—In this paper, we propose a framework for wireless/mobile pervasive computing to augment capabilities and to save scanty resources of mobile host by making full use of available resources...
TORM: A Hybrid Multicast Infrastructure for Interactive Distance Learning (2008)
Yi Che, Runting Shi, Yuanchun Shi
Multicast has been intensively studied over the past decade. Existing multicast services come in two flavors, IP multicast and application level multicast, depending on which layer the service is...
The Challenges and Solutions in Turning HCI from Desktop to Smart Spaces (2008)
Enyi Chen, Yuanchun Shi, Guangyou Xu, Weikai Xie, Zhongnan Shen, Yi Che, ...
Smart Spaces introduce new challenges to interface designers due to a number of differences from traditional desktop-computing model, including multimodal interaction, context sensitive interaction,...
Rich Metadata Searches Using the JXTA Content Manager Service (2008)
Xin Xiang, Yuanchun Shi, Ling Guo
With the development of networking technologies and the advent of the peer-to-peer computing paradigm, distributed file-sharing systems like Gnutella are becoming prevalent over time. JXTA, an...
Cheating and Anti-Cheating in Gossip-Based Protocol: An Experimental Investigation (2008)
XIAO, Xin, SHI, Yuanchun, TANG, Yun, ZHANG, Nan
During recent years, there has been a rapid growth in deployment of gossip-based protocol in many multicast applications. In a typical gossip-based protocol, each node acts as dual roles of receiver...
Classroom in The Era of Ubiquitous Computing ——Smart Classroom (2007)
Changhao Jiang, Yuanchun Shi, Guangyou Xu, Smart Classroom
Abstract: This paper first presents four essential characteristics: natural user interface, automatic capture of class events and experience, context-awareness and proactive service, collaborative...
Header for SPIE use AMTM – An Adaptive Multimedia Transport Model (2007)
Chunyuan Liao, Yuanchun Shi, Guangyou Xu
With the rapid development of computer network, there appear so many new applications and multimedia data that the chasm, which between the singularity of data sources and the variation of network,...
Smart Classroom – an Intelligent Environment for distant education (2007)
Weikai Xie, Yuanchun Shi, Guanyou Xu
In this paper, we present our current work on Intelligent Environment- the Smart Classroom project. It is an augmented classroom used for teachers in the distant education. The teacher can write...
Yanhua Mao, Weikai Xie, Yuanchun Shi, Guangyou Xu, Xin Xiang
Abstract. Smart Classroom is a Smart Space developed to enhance traditional tele-education practice. This paper describes the considerations of bringing forward Smart Platform as the software...
X.C.: upen: A smart pen-liked device for facilitating interaction on large displays (2006)
Xiaojun Bi, Yuanchun Shi, Xiaojie Chen
This paper presents the uPen, a laser pointer combined with a contact-pushed switch, three press buttons and a wireless communication module. This novel interaction device allows users to interact on...
A Conformance Test Suite of Localized LOM Model (2003)
Xin Xiang, Yuanchun Shi, Ling Guo
Since the approval of IEEE LOM Draft Standard and the advance of network-driven learning technology, a large number of resource database constructors, content developers and learning management...
SameView: A Large-Scale Real-Time Interactive ELearning (2003)
Yi Che, Runting Shi, Yuanchun Shi, Guangyou Xu
Abstract In this paper, we present the design and development of SameView, a real-time interactive E-learning system. It is designed for large-scale deployment over the Internet and provides a...
Multi-modal face tracking using Bayesian network (2003)
Fang Liu, Xueyin Lin, Stan Z Li, Yuanchun Shi
This paper presents a Bayesian network based multimodal fusion method for robust and real-time face tracking. The Bayesian network integrates a prior of second order system dynamics, and the...
Smart Remote Classroom: Creating a Revolutionary Real-Time Interactive (2002)
Yuanchun Shi, Weikai Xie, Guangyou Xu
Abstract Real-time interactive virtual classroom is an important type of distance learning. However currently available systems are insufficient in the support of large-scale user access and cannot...
Smart Platform – a software infrastructure for smart space (SISS (2002)
Weikai Xie, Yuanchun Shi, Guanyou Xu, Yanhua Mao
A software infrastructure is fundamental to a Smart Space. Previous proposed software infrastructure for Smart Space (SISS) did not sufficiently address the issue of performance and usability. A new...
Smart Remote Classroom: Creating a Revolutionary Real-Time Interactive (2002)
Yuanchun Shi, Weikai Xie, Guangyou Xu
Abstract Real-time interactive virtual classroom is an important type of distance learning. However currently available systems are insufficient in the support of large-scale user access and cannot...