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Displaying 1-50 out of 66 total
Temporal Event Sequence Simplification
Found in: IEEE Transactions on Visualization and Computer Graphics
By Megan Monroe,Rongjian Lan,Hanseung Lee,Catherine Plaisant,Ben Shneiderman
Issue Date:December 2013
pp. 2227-2236
Electronic Health Records (EHRs) have emerged as a cost-effective data source for conducting medical research. The difficulty in using EHRs for research purposes, however, is that both patient selection and record analysis must be conducted across very lar...
 
Visualizing Change over Time Using Dynamic Hierarchies: TreeVersity2 and the StemView
Found in: IEEE Transactions on Visualization and Computer Graphics
By JohnAlexis Guerra-Gomez,Michael L. Pack,Catherine Plaisant,Ben Shneiderman
Issue Date:December 2013
pp. 2566-2575
To analyze data such as the US Federal Budget or characteristics of the student population of a University it is common to look for changes over time. This task can be made easier and more fruitful if the analysis is performed by grouping by attributes, su...
 
Which comes first, usability or utility?
Found in: Visualization Conference, IEEE
By Georges Grinstein, Alfred Kobsa, Catherine Plaisant, Ben Shneiderman, John T. Stasko
Issue Date:October 2003
pp. 112
No summary available.
   
Improving Healthcare with Interactive Visualization
Found in: Computer
By Ben Shneiderman,Catherine Plaisant,Bradford W. Hesse
Issue Date:May 2013
pp. 58-66
Visualization and visual analytics re-searchers can contribute substantial technological advances to support the reliable, effective, safe, and validated systems required for personal health, clinical healthcare, and public health policymaking. The Web ext...
 
Temporal Summaries: Supporting Temporal Categorical Searching, Aggregation and Comparison
Found in: IEEE Transactions on Visualization and Computer Graphics
By Taowei David Wang, Catherine Plaisant, Ben Shneiderman, Neil Spring, David Roseman, Greg Marchand, Vikramjit Mukherjee, Mark Smith
Issue Date:November 2009
pp. 1049-1056
When analyzing thousands of event histories, analysts often want to see the events as an aggregate to detect insights and generate new hypotheses about the data. An analysis tool must emphasize both the prevalence and the temporal ordering of these events....
 
Visual-Analytics Evaluation
Found in: IEEE Computer Graphics and Applications
By Catherine Plaisant, Georges Grinstein, Jean Scholtz
Issue Date:May 2009
pp. 16-17
This special issue consists of four articles on the evaluation of visual-analytic tools. The articles address these evaluation aspects: synthetic-data-set generation and use, design guidelines, insight characterization and measurement, and tools for captur...
 
Evaluating Visual Analytics at the 2007 VAST Symposium Contest
Found in: IEEE Computer Graphics and Applications
By Catherine Plaisant, Georges Grinstein, Jean Scholtz, Mark Whiting, Theresa O'Connell, Sharon Laskowski, Lynn Chien, Annie Tat, William Wright, Carsten Görg, Zhicheng Liu, Neel Parekh, Kanupriya Singhal, John Stasko
Issue Date:March 2008
pp. 12-21
The second Visual Analytics Science and Technology (VAST) contest's data consisted of a heterogeneous synthetic collection of news articles with additional supporting files. It also contained a scenario with embedded threats that provided ground truth. Usi...
 
VAST 2007 Contest - Blue Iguanodon
Found in: Symposium On Visual Analytics Science And Technology
By Georges Grinstein, Catherine Plaisant, Sharon Laskowski, Theresa O'Connell, Jean Scholtz, Mark Whiting
Issue Date:November 2007
pp. 231-232
Visual analytics experts realize that one effective way to push the field forward and to develop metrics for measuring the performance of various visual analytics components is to hold an annual competition. The second Visual Analytics Science and Technolo...
 
Promoting Insight-Based Evaluation of Visualizations: From Contest to Benchmark Repository
Found in: IEEE Transactions on Visualization and Computer Graphics
By Catherine Plaisant, Jean-Daniel Fekete, Georges Grinstein
Issue Date:January 2008
pp. 120-134
<p><b>Abstract</b>—Information Visualization (InfoVis) is now an accepted and growing field but questions remain about the best uses for and the maturity of novel visualizations. Usability studies and controlled experiments are helpful bu...
 
Similarity-Based Forecasting with Simultaneous Previews: A River Plot Interface for Time Series Forecasting
Found in: Information Visualisation, International Conference on
By Paolo Buono, Catherine Plaisant, Adalberto Simeone, Aleks Aris, Ben Shneiderman, Galit Shmueli, Wolfgang Jank
Issue Date:July 2007
pp. 191-196
Time-series forecasting has a large number of applications. Users with a partial time series for auctions, new stock offerings, or industrial processes desire estimates of the future behavior. We present a data driven forecasting method and interface calle...
 
TreePlus: Interactive Exploration of Networks with Enhanced Tree Layouts
Found in: IEEE Transactions on Visualization and Computer Graphics
By Bongshin Lee, Cynthia S. Parr, Catherine Plaisant, Benjamin B. Bederson, Vladislav D. Veksler, Wayne D. Gray, Christopher Kotfila
Issue Date:November 2006
pp. 1414-1426
<p><b>Abstract</b>—Despite extensive research, it is still difficult to produce effective interactive layouts for large graphs. Dense layout and occlusion make food webs, ontologies, and social networks difficult to understand and interac...
 
Exploring content-actor paired network data using iterative query refinement with NetLens
Found in: Digital Libraries, Joint Conference on
By Benjamin B. Bederson, Bongshin Lee, Catherine Plaisant, Hyunmo Kang
Issue Date:June 2006
pp. 372-372
Networks have remained a challenge for information retrieval and visualization because of the rich set of tasks that users want to accomplish. This paper demonstrates a tool, NetLens, to explore a Content-Actor paired network data model. The NetLens interf...
 
Exploring erotics in Emily Dickinson's correspondence with text mining and visual interfaces
Found in: Digital Libraries, Joint Conference on
By Greg Lord, Martha Nell Smith, Matthew G. Kirschenbaum, Tanya Clement, Loretta Auvil, James Rose, Bei Yu, Catherine Plaisant
Issue Date:June 2006
pp. 141-150
This paper describes a system to support humanities scholars in their interpretation of literary work. It presents a user interface and web architecture that integrates text mining, a graphical user interface and visualization, while attempting to remain e...
 
Show Me! Guidelines for Producing Recorded Demonstrations
Found in: Visual Languages and Human-Centric Computing, IEEE Symposium on
By Catherine Plaisant, Ben Shneiderman
Issue Date:September 2005
pp. 171-178
Although recorded demonstrations (screen capture animations with narration) have become a popular form of instruction for user interfaces, little work has been done to describe guidelines for their design. Based on our experience in several projects, we of...
 
Interactive Sonification of Choropleth Maps
Found in: IEEE Multimedia
By Haixia Zhao, Benjamin K. Smith, Kent Norman, Catherine Plaisant, Ben Shneiderman
Issue Date:April 2005
pp. 26-35
Interactive sonification systems can make georeferenced data accessible to people with vision impairments. The authors compare methods for using sound to encode georeferenced data patterns and for navigating maps.
 
Extending the Utility of Treemaps with Flexible Hierarchy
Found in: Information Visualisation, International Conference on
By Gouthami Chintalapani, Catherine Plaisant, Ben Shneiderman
Issue Date:July 2004
pp. 335-344
Treemaps are a visualization technique for presenting hierarchical information on two-dimensional displays. Prior implementations limit the visualization to pre-defined static hierarchies. Flexible hierarchy, a new capability of Treemap 4.0, enables users ...
 
Interactive Information Visualization of a Million Items
Found in: Information Visualization, IEEE Symposium on
By Jean-Daniel Fekete, Catherine Plaisant
Issue Date:October 2002
pp. 117
Existing information visualization techniques are usually limited to the display of a few thousand items. This article describes new interactive techniques capable of handling a million items (effectively visible and manageable on screen). We evaluate the ...
 
SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation
Found in: Information Visualization, IEEE Symposium on
By Catherine Plaisant, Jesse Grosjean, Benjamin B. Bederson
Issue Date:October 2002
pp. 57
We present a novel tree browser that builds on the conventional node link tree diagrams. It adds dynamic rescaling of branches of the tree to best fit the available screen space, optimized camera movement, and the use of preview icons summarizing the topol...
 
Evaluation Challenges for a Federation of Heterogeneous Information Providers: The Case of NASA's Earth Science Information Partnerships
Found in: Enabling Technologies, IEEE International Workshops on
By Catherine Plaisant, Anita Komlodi, Francis Lindsay
Issue Date:March 2000
pp. 130
NASA's Earth Science Information Partnership Federation is an experiment funded to assess the ability of a group of widely heterogeneous earth science data or service providers to self organize and provide improved and affordable access to an expanding ear...
 
Refining Query Previews Techniques for Data with Multivalued Attributes: The Case of NASA EOSDIS
Found in: Advances in Digital Libraries Conference, IEEE
By Catherine Plaisant, Maya Venkatraman, Kawin Ngamkajornwiwat, Randy Barth, Bob Harberts, Wenlan Feng
Issue Date:March 1999
pp. 50
Query Previews allow users to rapidly gain an understanding of the content and scope of a digital data collection. These previews present overviews of abstracted metadata enabling users to rapidly and dynamically avoid undesired data. In this paper we p re...
 
Low-Effort, High-Payoff User Interface Reengineering
Found in: IEEE Software
By Catherine Plaisant, Anne Rose, Ben Shneiderman, Ajit J. Vanniamparampil
Issue Date:July 1997
pp. 66-72
Using a variety of low-effort, high-payoff strategies on six major software projects, the authors demonstrated that, in some cases, effective user interface reengineering can be accomplished in a matter of weeks instead of the year or more traditionally re...
 
Query Previews in Networked Information Systems
Found in: Advances in Digital Libraries Conference, IEEE
By Khoa Doan, Catherine Plaisant, Ben Shneiderman
Issue Date:May 1996
pp. 120
In a networked information system (such as the NASA Earth Observing System--Data Information System (EOSDIS)), there are three major obstacles facing users in a querying process: network performance, data volume and data complexity. In order to overcome th...
 
Image-Browser Taxonomy and Guidelines for Designers
Found in: IEEE Software
By Catherine Plaisant, David Carr, Ben Shneiderman
Issue Date:March 1995
pp. 21-32
Building on user familiarity with one-dimensional scroll bars, many designers simply use two one-dimensional scroll bars when the application requires independent control over the horizontal and vertical directions, as in panning a map. This is effective i...
 
A Task Taxonomy for Network Evolution Analysis
Found in: IEEE Transactions on Visualization and Computer Graphics
By Jae-wook Ahn,Catherine Plaisant,Ben Shneiderman
Issue Date:March 2014
pp. 365-376
Visualization has proven to be a useful tool for understanding network structures. Yet the dynamic nature of social media networks requires powerful visualization techniques that go beyond static network diagrams. To provide strong temporal network visuali...
 
Visualizing Change over Time Using Dynamic Hierarchies: TreeVersity2 and the StemView
Found in: IEEE Transactions on Visualization and Computer Graphics
By JohnAlexis Guerra-Gomez,Michael L. Pack,Catherine Plaisant,Ben Shneiderman
Issue Date:December 2013
pp. 2566-2575
To analyze data such as the US Federal Budget or characteristics of the student population of a University it is common to look for changes over time. This task can be made easier and more fruitful if the analysis is performed by grouping by attributes, su...
 
Temporal Event Sequence Simplification
Found in: IEEE Transactions on Visualization and Computer Graphics
By Megan Monroe, Rongjian Lan, Hanseung Lee,Catherine Plaisant,Ben Shneiderman
Issue Date:December 2013
pp. 2227-2236
Electronic Health Records (EHRs) have emerged as a cost-effective data source for conducting medical research. The difficulty in using EHRs for research purposes, however, is that both patient selection and record analysis must be conducted across very lar...
 
30 years at the University of Maryland's human-computer interaction lab (HCIL)
Found in: interactions
By Allison Druin, Ben Shneiderman, Benjamin B. Bederson, Catherine Plaisant, Jennifer Golbeck, Kent Norman
Issue Date:September 2013
pp. 50-57
Models help bridge the gap between observing and making---especially when systems are involved (as in designing for interaction, service, and evolution). This forum introduces new models, links them to existing models, and describes their histories and why...
     
The challenges of specifying intervals and absences in temporal queries: a graphical language approach
Found in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '13)
By Ben Shneiderman, Catherine Plaisant, Jeff Millstein, Juan Morales del Olmo, Megan Monroe, Rongjian Lan
Issue Date:April 2013
pp. 2349-2358
In our burgeoning world of ubiquitous sensors and affordable data storage, records of timestamped events are being produced across nearly every domain of personal and professional computing. The resulting data surge has created an overarching need to searc...
     
A reflection on seven years of the VAST challenge
Found in: Proceedings of the 2012 BELIV Workshop: Beyond Time and Errors - Novel Evaluation Methods for Visualization (BELIV '12)
By Catherine Plaisant, Georges Grinstein, Jean Scholtz, Mark A. Whiting
Issue Date:October 2012
pp. 1-8
We describe the evolution of the IEEE Visual Analytics Science and Technology (VAST) Challenge from its origin in 2006 to present (2012). The VAST Challenge has provided an opportunity for visual analytics researchers to test their innovative thoughts on a...
     
Active progress bars: facilitating the switch to temporary activities
Found in: Proceedings of the 2011 annual conference extended abstracts on Human factors in computing systems (CHI EA '11)
By Audrey Girouard, Catherine Plaisant, Christophe Hurter, Nathalie Riche
Issue Date:May 2011
pp. 1963-1968
In this paper, we seek to find a better way of effective task management when a progress bar interrupts user's primary activity. We propose to augment progress bars with user controlled functionalities facilitating the switch to temporary activities. We de...
     
ManyNets: an interface for multiple network analysis and visualization
Found in: Proceedings of the 28th international conference on Human factors in computing systems (CHI '10)
By Ben Shneiderman, Catherine Plaisant, Jen Golbeck, Manuel Freire
Issue Date:April 2010
pp. 213-222
Traditional network analysis tools support analysts in studying a single network. ManyNets offers these analysts a powerful new approach that enables them to work on multiple networks simultaneously. Several thousand networks can be presented as rows in a ...
     
Data Sonification for Users with Visual Impairment: A Case Study with Georeferenced Data
Found in: ACM Transactions on Computer-Human Interaction (TOCHI)
By Ben Shneiderman, Catherine Plaisant, Haixia Zhao, Jonathan Lazar
Issue Date:May 2008
pp. 1-28
We describe the development and evaluation of a tool, iSonic, to assist users with visual impairment in exploring georeferenced data using coordinated maps and tables, augmented with nontextual sounds and speech output. Our in-depth case studies with 7 bli...
     
BELIV'08: Beyond time and errors: novel evaluation methods for information visualization
Found in: CHI '08 extended abstracts on Human factors in computing systems (CHI '08)
By Adam Perer, Catherine Plaisant, Enrico Bertini, Giuseppe Santucci
Issue Date:April 2008
pp. 49-54
Information visualization systems allow users to produce insights, innovations and discoveries. Evaluating such tools is a challenging task and the goal of BELIV'08 is to make a step ahead in the comprehension of such a complex activity. Current evaluation...
     
Aligning temporal data by sentinel events: discovering patterns in electronic health records
Found in: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems (CHI '08)
By Alexander J. Quinn, Ben Shneiderman, Catherine Plaisant, Roman Stanchak, Shawn Murphy, Taowei David Wang
Issue Date:April 2008
pp. 49-54
Electronic Health Records (EHRs) and other temporal databases contain hidden patterns that reveal important cause-and-effect phenomena. Finding these patterns is a challenge when using traditional query languages and tabular displays. We present an interac...
     
Shared family calendars: Promoting symmetry and accessibility
Found in: ACM Transactions on Computer-Human Interaction (TOCHI)
By Aaron Clamage, Allison Druin, Benjamin B. Bederson, Catherine Plaisant, Hilary Browne Hutchinson
Issue Date:September 2006
pp. 313-346
We describe the design and use of a system facilitating the sharing of calendar information between remotely located, multi-generational family members. Most previous work in this area involves software enabling younger family members to monitor their pare...
     
Exploring content-actor paired network data using iterative query refinement with NetLens
Found in: Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries (JCDL '06)
By Benjamin B. Bederson, Bongshin Lee, Benjamin B. Bederson, Bongshin Lee, Catherine Plaisant, Hyunmo Kang
Issue Date:June 2006
pp. 372-372
Networks have remained a challenge for information retrieval and visualization because of the rich set of tasks that users want to accomplish. This paper demonstrates a tool, NetLens, to explore a Content-Actor paired network data model. The NetLens interf...
     
Exploring erotics in Emily Dickinson's correspondence with text mining and visual interfaces
Found in: Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries (JCDL '06)
By Bei Yu, Catherine Plaisant, Greg Lord, James Rose, Loretta Auvil, Martha Nell Smith, Matthew G. Kirschenbaum, Tanya Clement
Issue Date:June 2006
pp. 141-150
This paper describes a system to support humanities scholars in their interpretation of literary work. It presents a user interface and web architecture that integrates text mining, a graphical user interface and visualization, while attempting to remain e...
     
Task taxonomy for graph visualization
Found in: Proceedings of the 2006 conference on BEyond time and errors: novel evaluation methods for information visualization (BELIV '06)
By Bongshin Lee, Catherine Plaisant, Cynthia Sims Parr, Jean-Daniel Fekete, Nathalie Henry
Issue Date:May 2006
pp. 1-5
Our goal is to define a list of tasks for graph visualization that has enough detail and specificity to be useful to: 1) designers who want to improve their system and 2) to evaluators who want to compare graph visualization systems. In this paper, we sugg...
     
Strategies for evaluating information visualization tools: multi-dimensional in-depth long-term case studies
Found in: Proceedings of the 2006 conference on BEyond time and errors: novel evaluation methods for information visualization (BELIV '06)
By Ben Shneiderman, Catherine Plaisant
Issue Date:May 2006
pp. 1-7
After an historical review of evaluation methods, we describe an emerging research method called Multi-dimensional In-depth Long-term Case studies (MILCs) which seems well adapted to study the creative activities that users of information visualization sys...
     
Integrating data and interfaces to enhance understanding of government statistics: toward the national statistical knowledge network project briefing
Found in: Proceedings of the 2006 national conference on Digital government research (dg.o '06)
By Ben Shneiderman, Catherine Plaisant, Gary Marchionini, Stephanie Haas
Issue Date:May 2006
pp. 334-335
This paper reports the results of work in the final no-cost extension year of a digital government project that developed user interface models and prototypes to help people find and understand government statistics; proposed a Statistical Knowledge Networ...
     
"I hear the pattern": interactive sonification of geographical data patterns
Found in: CHI '05 extended abstracts on Human factors in computing systems (CHI '05)
By Ben Shneiderman, Catherine Plaisant, Haixia Zhao
Issue Date:April 2005
pp. 1905-1908
Interactive sonification (non-speech sound) is a novel strategy to present the geographical distribution patterns of statistical data to vision impaired users. We discuss the design space with dimensions of interaction actions, data representation forms, i...
     
Les leçons tirées des deux compétitions de visualisation d'information
Found in: Proceedings of the 16th conference on Association Francophone d'Interaction Homme-Machine (IHM 2004)
By Catherine Plaisant, Jean-Daniel Fekete
Issue Date:August 2004
pp. 7-12
Information visualization needs benchmarks to carry on. A benchmark is aimed at comparing information visualization techniques or systems. A benchmark is made of a dataset, a list of tasks mostly based on finding facts about the dataset, and a list of inte...
     
Technology probes: inspiring design for and with families
Found in: Proceedings of the conference on Human factors in computing systems (CHI '03)
By Allison Druin, Benjamin B. Bederson, Bjorn Eiderback, Bosse Westerlund, Catherine Plaisant, Heiko Hansen, Helen Evans, Hilary Hutchinson, Michel Beaudouin-Lafon, Nicolas Roussel, Stephane Conversy, Wendy Mackay
Issue Date:April 2003
pp. 17-24
We describe a new method for use in the process of co-designing technologies with users called technology probes. Technology probes are simple, flexible, adaptable technologies with three interdisciplinary goals: the social science goal of understanding th...
     
Technologies for families
Found in: CHI '02 extended abstracts on Human factors in computer systems (CHI '02)
By Allison Druin, Catherine Plaisant, Hilary Hutchinson
Issue Date:April 2002
pp. 938-939
In this workshop, we propose to bring together researchers from industry and academia to discuss the design of new technologies for families. We will focus on both design techniques and the technologies themselves. Through discussions and brainstorming we ...
     
Therapeutic play with a storytelling robot
Found in: CHI '01 extended abstracts on Human factors in computer systems (CHI '01)
By Allison Druin, Catherine Plaisant, Corinna Lathan, Jack Maxwell Vice, Jaime Montemayor, Kris Edward, Michael Tracey
Issue Date:March 2001
pp. 27-28
We are developing a prototype storytelling robot for use with children in rehabilitation. Children can remotely control a furry robot by using a variety of body sensors adapted to their disability or rehabilitation goal. We believe this robot can motivate ...
     
A storytelling robot for pediatric rehabilitation
Found in: Proceedings of the fourth international ACM conference on Assistive technologies (Assets '00)
By Allison Druin, Catherine Plaisant, Corinna Lathan, Jack Maxwell Vice, Jaime Montemayor, Kapil Dakhane, Kris Edwards
Issue Date:November 2000
pp. 50-55
The United States needs citizens trained in science, engineering, and mathematics, including individuals from traditionally underrepresented groups such as women, racial minorities, and individuals with disabilities. The National Science Foundation has fun...
     
Temporal, geographical and categorical aggregations viewed through coordinated displays: a case study with highway incident data
Found in: Proceedings of the 1999 workshop on new paradigms in information visualization and manipulation in conjunction with the eighth ACM internation conference on Information and knowledge management (NPIVM '99)
By Anna Fredrikson, Ben Shneiderman, Catherine Plaisant, Chris North
Issue Date:November 1999
pp. 26-34
Information visualization displays can hold a limited number of data points, typically a few thousand, before they get crowded. One way to solve this problem with larger data sets is to create aggregates. Aggregations were used together with the Snap-Toget...
     
Excentric labeling: dynamic neighborhood labeling for data visualization
Found in: Proceedings of the SIGCHI conference on Human factors in computing systems: the CHI is the limit (CHI '99)
By Catherine Plaisant, Jean-Daniel Fekete
Issue Date:May 1999
pp. 512-519
We present an approach to control information flow in object-oriented systems. The decision of whether an informatin flow is permitted or denied depends on both the authorizations specified on the objects and the process by which information is obtained an...
     
Data object and label placement for information abundant visualizations
Found in: Proceedings of the 1998 workshop on New paradigms in information visualization and manipulation (NPIV '98)
By Ben Shneiderman, Catherine Plaisant, Jia Li
Issue Date:November 1998
pp. 41-48
SnakeToonz is an interactive system that allows children and others untrained in cel animation to create two-dimensional cartoons from video streams and images. The ability to create cartoons has traditionally been limited to professional animation houses ...
     
Bringing treasures to the surface: previews and overviews in a prototype for the Library of Congress National Digital Library
Found in: CHI 98 conference summary on Human factors in computing systems (CHI '98)
By Anita Komlodi, Catherine Plaisant, Gary Marchionini
Issue Date:April 1998
pp. 187-188
We present an approach to control information flow in object-oriented systems. The decision of whether an informatin flow is permitted or denied depends on both the authorizations specified on the objects and the process by which information is obtained an...
     
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