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Displaying 1-34 out of 34 total
Visualizing the Evolution of a Subject Domain: A Case Study
Found in: Visualization Conference, IEEE
By Chaomei Chen, Leslie Carr
Issue Date:October 1999
pp. 64
We explore the potential of information visualization techniques in enhancing existing methodologies for domain analysis and modeling. In this case study, we particularly focus on visualizing the evolution of the hypertext field based on author co-citation...
 
Visual Analysis of Conflicting Opinions
Found in: Symposium On Visual Analytics Science And Technology
By Chaomei Chen, F. Ibekwe-SanJuan, E. SanJuan, C. Weaver
Issue Date:November 2006
pp. 59-66
Understanding the nature and dynamics of conflicting opinions is a profound and challenging issue. In this paper we address several aspects of the issue through a study of more than 3,000 Amazon customer reviews of the controversial bestseller The Da Vinci...
 
Panel 1: Can We Determine the Top Unresolved Problems of Visualization?
Found in: Visualization Conference, IEEE
By Theresa-Marie Rhyne, Bill Hibbard, Chris Johnson, Chaomei Chen, Steve Eick
Issue Date:October 2004
pp. 563-566
<p>Many of us working in visualization have our own list of our top 5 or 10 unresolved problems in visualization. We have assembled a group of panelists to debate and perhaps reach concensus on the top problems in visualization that still need to be ...
   
Visualizing a Knowledge Domain's Intellectual Structure
Found in: Computer
By Chaomei Chen, Ray J. Paul
Issue Date:March 2001
pp. 65-71
<p>To make knowledge visualizations clear and easy to interpret, the authors have developed a method that extends and transforms traditional author co-citation analysis (ACA) by extracting structural patterns from the scientific literature and repres...
 
Domain Visualization for Digital Libraries
Found in: Information Visualisation, International Conference on
By Chaomei Chen
Issue Date:July 2000
pp. 261
Domain visualization aims to reveal the most significant intellectual structure associated with a subject domain. This article illustrates how domain visualization enables novel ways of accessing scientific literatures in digital libraries. The domain of c...
 
AI and Global Science and Technology Assessment
Found in: IEEE Intelligent Systems
By Hsinchun Chen, Ronald N. Kostoff, Chaomei Chen, Jian Zhang, Michael S. Vogeley, Katy Börner, Nianli Ma, Russell J. Duhon, Angela Zoss, Venkat Srinivasan, Edward A. Fox, Christopher C. Yang, Chih-Ping Wei
Issue Date:July 2009
pp. 68-88
Strength in science &amp; technology (S&amp;T) is the foundation of a nation's economic power, so an effective, automated means of continually assessing this strength is critical to understanding a country's economic status. Six essays on global S&...
 
Understanding the Evolution of NSAID: A Knowledge Domain Visualization Approach to Evidence-Based Medicine
Found in: Information Visualisation, International Conference on
By Chaomei Chen, Yunan Chen, Russell C. Maulitz
Issue Date:July 2005
pp. 945-952
Finding the most rigorous, updated, and well received clinical evidence is a crucial and challenging task in the practice of Evidence-Based Medicine (EBM). In this article, we describe a knowledge domain visualization-based quantitative approach that is de...
 
Visualizing the Intellectual Structure with Paper-Reference Matrices
Found in: IEEE Transactions on Visualization and Computer Graphics
By Jian Zhang, Chaomei Chen, Jiexun Li
Issue Date:November 2009
pp. 1153-1160
Visualizing the intellectual structure of scientific domains using co-cited units such as references or authors has become a routine for domain analysis. In previous studies, paper-reference matrices are usually transformed into reference-reference matrice...
 
An Information-Theoretic View of Visual Analytics
Found in: IEEE Computer Graphics and Applications
By Chaomei Chen
Issue Date:January 2008
pp. 18-23
Visual analytics is an emerging discipline that helps connect dots. It facilitates analytical reasoning and decision making through integrated and highly interactive visualization of complex and dynamic data and situations. Solving mysteries is only part o...
 
Visualizing an enterprise social network from email
Found in: Digital Libraries, Joint Conference on
By Robert B. Allen, Chaomei Chen, Weizhong Zhu
Issue Date:June 2006
pp. 383-383
No abstract available
 
Top 10 Unsolved Information Visualization Problems
Found in: IEEE Computer Graphics and Applications
By Chaomei Chen
Issue Date:July 2005
pp. 12-16
The author presents a revised and extended version of the top unsolved problems of information visualization that he outlined in an IEEE Visualization 2004 panel. These problems are not necessarily imposed by technical barriers; rather, they are problems t...
 
Measuring the quality of network visualization
Found in: Digital Libraries, Joint Conference on
By Chaomei Chen
Issue Date:June 2005
pp. 405-405
A quantitative method is developed for measuring the quality of network visualizations in terms of log-likelihood metrics resulted from Expectation Maximization (EM) clustering intrinsic and extrinsic attributes of network nodes.
 
Information Visualization Research: Citation and Co-Citation Highlights
Found in: Information Visualization, IEEE Symposium on
By Chaomei Chen
Issue Date:October 2004
pp. r11
An overview of the entry is given. The techniques used to prepare the InfoVis contest entry are outlined. The strengths and weaknesses are briefly discussed.
   
Detecting and Mapping Thematic Changes in Transient Networks
Found in: Information Visualisation, International Conference on
By Chaomei Chen
Issue Date:July 2004
pp. 1023-1034
Research fronts are the forefront of a scientific field. Timely identifying emerging trends and abrupt changes in scientific literature is not only beneficial for users of digital libraries, but also instrumental for users to trace the movement of a resear...
 
Visualizing Evolving Networks: Minimum Spanning Trees versus Pathfinder Networks
Found in: Information Visualization, IEEE Symposium on
By Chaomei Chen, Steven Morris
Issue Date:October 2003
pp. 9
Network evolution is a ubiquitous phenomenon in a wide variety of complex systems. There is an increasing interest in statistically modeling the evolution of complex networks such as small-world networks and scale-free networks. In this article, we address...
 
Semantically Modified Diffusion Limited Aggregation for Visualizing Large-Scale Networks
Found in: Information Visualisation, International Conference on
By Chaomei Chen, Natasha Lobo
Issue Date:July 2003
pp. 576
Diffusion-Limited Aggregation (DLA) is a model of fractal growth. Computer models can simulate the fast aggregation of millions of particles. In this paper, we propose a modified version of DLA, called semantically modified DLA (SM-DLA), for visualizing la...
 
Using CBIR and Pathfinder Networks for Image Database Visualization
Found in: Pattern Recognition, International Conference on
By George Gagaudakis, Paul L. Rosin, Chaomei Chen
Issue Date:September 2000
pp. 5052
Digital images and videos have an increasingly important role in today's telecommunication and our everyday life in modern information society. In this paper, we explore the synergy between content-based information retrieval techniques and Pathfinder netw...
 
Content-Based Image Visualization
Found in: Information Visualisation, International Conference on
By Chaomei Chen, George Gagaudakis, Paul Rosin
Issue Date:July 2000
pp. 13
The proliferation of content-based image retrieval techniques has highlighted the need to understand the relationship between image clustering based on low-level image features and image clustering made by human users. In conventional image retrieval syste...
 
A Semantic-Centric Approach to Information Visualization
Found in: Information Visualisation, International Conference on
By Chaomei Chen, Leslie Carr
Issue Date:July 1999
pp. 18
A semantic-centric approach to information visualization is described in this paper. In contrast to the conventional document-centric approaches, the semantic-centric approach focuses on the intrinsic connectivity in an information space beyond the boundar...
 
Representing the Semantics of Virtual Spaces
Found in: IEEE Multimedia
By Chaomei Chen, Linda Thomas, Janet Cole, Chiladda Chennawasin
Issue Date:April 1999
pp. 54-63
In the StarWalker virtual environment, users explore a shared semantic space and collaborate with concurrent visitors. StarWalker's design illustrates the potential of unifying spatial models, semantic structures, and social navigation metaphors in the dev...
 
Integrating Spatial, Semantic, and Social Structures for Knowledge Management
Found in: Hawaii International Conference on System Sciences
By Chaomei Chen, John Davies
Issue Date:January 1999
pp. 1070
In this paper we describe a unique type of knowledge management systems ??virtual reality-enabled multi-user virtual environments with spatialised semantic structures. They are designed to enable users to exploit emerging knowledge structures shared among ...
   
Introduction to the Human Factors and Usability Issues Minitrack
Found in: Hawaii International Conference on System Sciences
By Chaomei Chen, Lynn Wilcox
Issue Date:January 1999
pp. 2014
The development and use digital documents must address the context in which these digital documents will be used and what roles they will play at a group level, an institutional level, or an inter-organisational level. For a given task, the usefulness of a...
   
Augmenting User Interfaces for Digital Libraries with Virtual Reality
Found in: Hawaii International Conference on System Sciences
By Chaomei Chen
Issue Date:January 1998
pp. 148
This paper describes a generic approach to the development of a virtual reality-based user interface for a collection of digital documents. We emphasise the role of intrinsic inter-document relationships in structuring and visualising a digital library. We...
   
The Top 10 Challenges in Extreme-Scale Visual Analytics
Found in: IEEE Computer Graphics and Applications
By Pak Chung Wong,Han-Wei Shen,Christopher R. Johnson,Chaomei Chen,Robert B. Ross
Issue Date:July 2012
pp. 63-67
A team of scientists and researchers discusses the top 10 challenges in extreme-scale visual analytics (VA). The discussion covers applying VA technologies to both scientific and nonscientific data, evaluating the problems and challenges from both technica...
 
Graph Analytics-Lessons Learned and Challenges Ahead
Found in: IEEE Computer Graphics and Applications
By Pak Chung Wong, Chaomei Chen,C. Gorg,B. Shneiderman,J. Stasko,J. Thomas
Issue Date:September 2011
pp. 18-29
Lessons learned from developing four graph analytics applications reveal good research practices and grand challenges for future research. The application domains include electric-power-grid analytics, social-network and citation analytics, text and docume...
 
Delineating the citation impact of scientific discoveries
Found in: Proceedings of the 2007 conference on Digital libraries (JCDL '07)
By Chaomei Chen, Jian Zhang, Michael Vogeley, Weizhong Zhu
Issue Date:June 2007
pp. 19-28
Identifying the significance of specific concepts in the diffusion of scientific knowledge is a challenging issue concerning many theoretical and practical areas. We introduce an innovative visual analytic approach to integrate microscopic and macroscopic ...
     
Visualizing an enterprise social network from email
Found in: Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries (JCDL '06)
By Chaomei Chen, Robert B. Allen, Weizhong Zhu
Issue Date:June 2006
pp. 383-383
This demonstration illustrates the use of two search services offered by the Digital Library for Earth System Education (DLESE) and shows how they have been used to create customized discovery interfaces for library resources in science Web sites.
     
Measuring the quality of network visualization
Found in: Proceedings of the 5th ACM/IEEE-CS joint conference on Digital libraries (JCDL '05)
By Chaomei Chen
Issue Date:June 2005
pp. 405-405
A quantitative method is developed for measuring the quality of network visualizations in terms of log-likelihood metrics resulted from Expectation Maximization (EM) clustering intrinsic and extrinsic attributes of network nodes.
     
The centrality of pivotal points in the evolution of scientific networks
Found in: Proceedings of the 10th international conference on Intelligent user interfaces (IUI '05)
By Chaomei Chen
Issue Date:January 2005
pp. 98-105
In this paper, we describe the development of CiteSpace as an integrated environment for identifying and tracking thematic trends in scientific literature. The goal is to simplify the process of finding not only highly cited clusters of scientific articles...
     
Visual interfaces to digital libraries
Found in: Proceedings of the second ACM/IEEE-CS joint conference on Digital libraries (JCDL '02)
By Chaomei Chen, Katy Borner
Issue Date:July 2002
pp. 425-425
Today's digital libraries (DLs) are content rich, multimedia, multilingual collections that are distributed and accessed worldwide. Designing useful interfaces to access, understand, and manage this knowledge has become an active and challenging field of s...
     
Workshop 1: visual interfaces to digital libraries - its past, present, and future
Found in: Proceedings of the first ACM/IEEE-CS joint conference on Digital libraries (JCDL '01)
By Chaomei Chen, Katy Borner
Issue Date:January 2001
pp. 482
The design of easy-to-use and informative visual interfaces to digital libraries is an integral part to the advances of digital libraries. A wide range of approaches have been developed from a diverse spectrum of perspectives that focus on users and tasks...
     
Trailblazing the literature of hypertext: author co-citation analysis (1989--1998)
Found in: Proceedings of the tenth ACM Conference on Hypertext and hypermedia : returning to our diverse roots: returning to our diverse roots (HYPERTEXT '99)
By Chaomei Chen, Les Carr
Issue Date:February 1999
pp. 51-60
This paper discusses a semantic database approach to museum hypermedia systems based upon binary relations, with a restricted set of abstraction relationships. We describe examples of schema, queries and naviagaion aids for a prototype system designed as a...
     
From latent semantics to spatial hypertext---an integrated approach
Found in: Proceedings of the ninth ACM conference on Hypertext and hypermedia : links, objects, time and space---structure in hypermedia systems: links, objects, time and space---structure in hypermedia systems (HYPERTEXT '98)
By Chaomei Chen, Mary Czerwinski
Issue Date:June 1998
pp. 77-86
This paper discusses a semantic database approach to museum hypermedia systems based upon binary relations, with a restricted set of abstraction relationships. We describe examples of schema, queries and naviagaion aids for a prototype system designed as a...
     
Structuring and visualising the WWW by generalised similarity analysis
Found in: Proceedings of the eighth ACM conference on Hypertext (HYPERTEXT '97)
By Chaomei Chen
Issue Date:April 1997
pp. 177-186
This paper discusses a semantic database approach to museum hypermedia systems based upon binary relations, with a restricted set of abstraction relationships. We describe examples of schema, queries and naviagaion aids for a prototype system designed as a...
     
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