John Stasko, Jeff Pierce, Colin Potts, Chris Shaw, John Stasko, Bruce Walker
– Support for learning for users of all levels
John Stasko, Graph Terminology
• Connections throughout our lives and the world − Circle of friends − Delta’s flight plans
ABSTRACT Visual Analytics with Jigsaw (2008)
Carsten Görg, Zhicheng Liu, Neel Parekh, Kanupriya Singhal, John Stasko
This article briefly introduces the Jigsaw system and describes how we used it in analysis activities for the VAST ’07 Contest. Jigsaw is a visual analytic system that provides multiple coordinated...
Jean Scholtz, Annie Tat, Oculus Info, Liu Neel, ...
Technology (VAST) contest ran from March through July 2007, in conjunction with the VAST 2007 Symposium. Its objectives were to provide the research community realistic tasks, scenarios, and data...
Christoph Csallner, Marcus H, Othmar Lehmann, John Stasko
An equity mutual fund is a financial instrument that invests in a set of stocks. Any two different funds may partially invest in some of the same stocks, thus overlap is common. Portfolio...
Ji Soo Yi, Rachel Melton, John Stasko, Julie A. Jacko
multivariate information
John Stasko, Jeff Pierce, Colin Potts, Chris Shaw, John Stasko, Bruce Walker
– Support for learning for users of all levels
Explorations and Experiences with Ambient Information Systems (2008)
John Stasko, Myungcheol Doo, Brian Dorn, Christopher Plaue
We have developed a series of ambient information systems and used each in our research lab for extended periods of time. The systems use technologies such as RFID, RSS, and Phidgets to help present...
Catherine Plaisant, Georges Grinstein, Jean Scholtz, Mark Whiting, Lynn Chien, Oculus Info Inc, ...
The second Visual Analytics Science and Technology (VAST) contest’s data consisted of a heterogeneous synthetic collection of news articles with additional supporting files and contained a scenario...
John Stasko, Graph Terminology
• Connections throughout our lives and the world − Circle of friends − Delta’s flight plans
POSITION STATEMENT Evaluating Information Visualizations: Issues and Opportunities (2008)
The evaluation of information visualization techniques and systems is important in order to understand how to improve the systems and create innovative, useful new techniques. This article describes...
Rachel Fithian, Giovanni Iachello, Jehan Moghazy, Zachary Pousman, John Stasko
design and evaluation of a mobile location-aware
Dr. Mustaque Ahamad Advisor, Dr. Wenke Lee, Dr. Ralph Merkle, Dr. Henry Owen, Dr. John Stasko
To my mother and father, for supporting the purchase of my first computer. ACKNOWLEDGEMENTS This dissertation would not have been possible without the support and guidance of many people. First and...
Jun Xiao, John Stasko, Richard Catrambone
We performed an empirical study exploring people’s interactions with an embodied conversational agent (ECA) while performing two tasks. Conditions varied with respect to 1) whether participants...
Dr. Mustaque Ahamad Advisor, Dr. Wenke Lee, Dr. Ralph Merkle, Dr. Henry Owen, Dr. John Stasko
To my mother and father, for supporting the purchase of my first computer. ACKNOWLEDGEMENTS This dissertation would not have been possible without the support and guidance of many people. First and...
Quantifying the Performance Effect of Window Snipping in Multiple-monitor Environments (2008)
Dugald Ralph Hutchings, John Stasko
and parts thereof, including all revisions or versions and future editions thereof and in any medium, such as
• Scale- Many data sets are too large to visualize on one screen − May simply be too many cases − May be too many variables − May only be able to highlight particular cases or particular...
Distributed Display Environments (2008)
Dugald Ralph Hutchings, John Stasko, Mary Czerwinski
The term Distributed Display Environment (DDE) compactly describes computer systems that present output to more than one physical display. Often DDEs allow attached input devices to treat the...
Supporting visual analytics of multiple large-scale multidimensional datasets requires a high degree of interactivity and user control beyond the conventional challenges of visualizing such datasets....
ACM Copyright Visualization of Test Information to Assist Fault Localization (2008)
James A. Jones, Mary Jean Harrold, John Stasko
One of the most expensive and time-consuming components of the debugging process is locating the errors or faults. To locate faults, developers must identify statements involved in failures and...
14 Second Program Visualization Workshop The Algorithm Animation Repository (2007)
Pierluigi Crescenzi, Nils Faltin, Rudolf Fleischer, Christopher Hundhausen, Stefan Näher, Guido Rößling, ...
As researchers in theoretical or practical computer science, we are used to publishing our results in form of research papers that appear in conference proceedings or journals. Journals are normally...
FundExplorer: Supporting the Diversification of Mutual Fund Portfolios Using Context Treemaps (2007)
Christoph Csallner, Marcus Handte, Marcus H, Othmar Lehmann, John Stasko
An equity mutual fund is a financial instrument that invests in a set of stocks. Any two different funds may partially invest in some of the same stocks, thus overlap is common. Portfolio...
Jigsaw meets Blue Iguanodon - The VAST 2007 Contest (2007)
Carsten Görg, Zhicheng Liu, Neel Parekh, Kanupriya Singhal, John Stasko
This article describes our use of the Jigsaw system in working on the VAST 2007 Contest. Jigsaw provides multiple views of a document collection and the individual entities within those documents,...
Errors • Three considerations: – Avoiding and preventing – Identifying and understanding (2007)
John Stasko, Jeff Pierce, Colin Potts, Chris Shaw, John Stasko, Bruce Walker
Why errors are important Errors are unavoidable To err is human Making mistakes is part of learning Designer’s responsibility Understand why errors occur Minimize likelihood Allow for recognition...
DataMeadow: A Visual Canvas for Analysis of Large-Scale Multivariate Data (2007)
Niklas Elmqvist, John Stasko, Philippas Tsigas
Supporting visual analytics of multiple large-scale multidimensional datasets requires a high degree of interactivity and user control beyond the conventional challenges of visualizing such datasets....
• Most of the research in InfoVis that we’ve learned about this semester has been the introduction of a new visualization technique or tool − Fisheyes, cone trees, hyperbolic displays,...
Cs Information Visualization, John Stasko, Lamping Rao
− Data repository in which cases are related to subcases − Can be thought of as imposing an ordering in which cases are parents or ancestors of other cases
• Scale- Many data sets are too large to visualize on one screen − May simply be too many cases − May be too many variables − May only be able to highlight particular cases or particular...
John Stasko, Mukherjea Foley, Step Back
• By nature, abstract, so good target for visualization • Often described in terms of metaphors − “Information Superhighway”
Activity • Social Media Group at MIT Media Lab, (2006)
Social Visualization, John Stasko, Email Patterns, Directed Judith Donath
Why is this topic here? • Great example application domain • Fun papers • Wonderful examples of the kinds of things I’d like to see in your class projects
John Stasko, George Furnas Fisheye, Mario Romero
• Scale- Many data sets are too large to visualize on one screen − May simply be too many cases − May be too many variables − May only be able to highlight particular cases or particular...
Cs Information Visualization, John Stasko, Good For
− Data repository in which cases are related to subcases − Can be thought of as imposing an ordering in which cases are parents or ancestors of other cases
• Scale- Many data sets are too large to visualize on one screen − May simply be too many cases − May be too many variables − May only be able to highlight particular cases or particular...
• Fundamental chronological component to the data set • Random sample of 4000 graphics from 15 of world’s newspapers and magazines from ’74-’80 found that 75 % of graphics published were...
to help teach algorithms and data structures. Pedagogy focus (2006)
Software Visualization, John Stasko, Program Visualization
“The use of the crafts of typography, graphic design, animation, and cinematography with modern humancomputer interaction and computer graphics technology to facilitate both the human understanding...
• What are the basic principles? (2006)
Cs Information Visualization, John Stasko, Simon Investigated, Chapter From, Main Ideas
• Understanding (the cognitive aspects) is
Cs Information Visualization, John Stasko, Mark Weiser, Natalie Jeremijenko
− What is their purpose or objective?
Dugald Ralph Hutchings, Dr. John Stasko, Advisor Dr, Blair Macintyre, Abowd Dr, ...
I thank my family for all of their support and guidance over the years. I am especially indebted to my wife Heather Hutchings, to whom I now owe about 7,000 hours of vari-ous household chores, a...
EMPIRICAL STUDIES ON EMBODIED CONVERSATIONAL AGENTS Approved by: (2006)
Jun Xiao, Dr. John Stasko, Advisor Dr, Lewis Johnson, Catrambone Dr, ...
Thanks, first and foremost, to a wonderfully supportive and helpful committee. I would like to thank my advisor, John Stasko. I am so grateful that John decided to take the advisor role for me back...
Multifield-Graphs: An Approach to Visualizing Correlations in Multifield Scalar Data (2006)
Sauber, Natascha, Theisel, Holger, Seidel, Hans-Peter, Gröller, Eduard, Pang, Alex, Silva, Claudio T., ...
We present an approach to visualizing correlations in 3D multifield scalar data. The core of our approach is the computation of correlation fields, which are scalar fields containing the local...
Attacking Information Visualization System Usability Overloading and Deceiving the Human (2005)
Gregory Conti, Mustaque Ahamad, John Stasko
Information visualization is an effective way to easily comprehend large amounts of data. For such systems to be truly effective, the information visualization designer must be aware of the ways in...
Attacking Information Visualization System Usability Overloading and Deceiving the Human (2005)
Gregory Conti, Mustaque Ahamad, John Stasko
Information visualization is an effective way to easily comprehend large amounts of data. For such systems to be truly effective, the information visualization designer must be aware of the ways in...
An empirical study of the effect of agent competence on user performance and perception (2004)
Jun Xiao, John Stasko, Richard Catrambone
We studied the role of the competence of an interface agent that helped users to learn and use a text editor. Participants in the study made a set of changes to a document with the aid of one of four...
Exploring the use and affordances of multiple display environments. [2 (2004)
Dugald R. Hutchings, Mary Czerwinski, Brian Meyers, John Stasko
Abstract. We describe past and ongoing research in our two groups by briefly highlighting a few particularly relevant projects. Our research involves conducting evaluations of multiple monitor...
Personalized Peripheral Information Awareness through Information Art (2004)
John Stasko, Todd Miller, Zachary Pousman, Christopher Plaue, Osman Ullah
Abstract. This article describes development of the concept of Information Art, a type of ambient or peripheral display involving user-specified electronic paintings in which resident objects change...
Be Quiet? Evaluating Proactive and Reactive User Interface Assistants (2003)
Jun Xiao, Richard Catrambone, John Stasko
This research examined the ability of an anthropomorphic interface assistant to help people learn and use an unfamiliar text-editing tool, with a specific focus on as sessing proactive assistant...
Mobile Computing in the Retail Arena (2003)
Erica Newcomb, Toni Pashley, John Stasko
Although PDAs typically run applications in a "stand-alone" mode, they are increasingly equipped with wireless communications, which makes them useful in new domains. This capability for...
Be Quiet? Evaluating Proactive and Reactive User Interface Assistants (2003)
Jun Xiao, Richard Catrambone, John Stasko
This research examined the ability of an anthropomorphic interface assistant to help people learn and use an unfamiliar text-editing tool, with a specific focus on assessing proactive assistant...
Embodied conversational agents as a ui paradigm: A framework for evaluation (2002)
Jun Xiao, John Stasko, Richard Catrambone
Research on embodied conversational agent interfaces has produced widely divergent results. We suggest that this is due to insufficient consideration of key factors that influence the perception and...
Visualization of Test Information to Assist Fault Localization (2002)
James A. Jones, Mary Jean Harrold, John Stasko
One of the most expensive and time-consuming components of the debugging process is locating the errors or faults. To locate faults, developers must identify statements involved in failures and...
Visualization of Test Information to Assist Fault Localization (2002)
James A. Jones, Mary Jean Harrold, John Stasko
One of the most expensive and time-consuming components of the debugging process is locating the errors or faults. To locate faults, developers must identify statements involved in failures and...
A Meta-Study of Algorithm Visualization Effectiveness (2002)
Christopher Hundhausen, Sarah Douglas, John Stasko, Andjohn T. Staskoz
greateri mpact on eecti veness than what AV technologyshows them. Based on our ndi ngs, we formulate an agenda for future researchi nto AV eecti veness. r 2002 Elsevi er Sci ence Ltd. All ri ghts...
QuickSpace: New Operations for the Desktop Metaphor (2002)
Dugald Ralph Hutchings, John Stasko
The explosion of information available to everyday users has resulted in numerous applications that allow users to access this information. Fundamental desktop operations fail to assist the user...
Artistically Conveying Peripheral Information with the InfoCanvas (2002)
The Internet and World Wide Web have made a tremendous amount of information available to people today. Taking advantage of and managing this information, however, is becoming increasingly...
Models and areas for CS education research (2001)
Mike Clancy, John Stasko, Mark Guzdial, Sally Fincher, Nell Dale
A suite of ®ve short papers which aim to provide an overview of several aspects of CS education research, especially: previous work of interest, current projects and results; suggestions and...
Technical note: Visually encoding program test information to find faults in software (2001)
James Eagan, Mary Jean Harrold, James A. Jones, John Stasko
Large test suites are frequently used to evaluate software systems and to locate errors. Unfortunately, this process can generate a huge amount of data that is difficult to interpret manually. We...
The InfoCanvas: Information Conveyance through Personalized, Expressive Art (2001)
This paper describes the design of a highly versatile ambient display, the InfoCanvas. Through a novel interface, people identify information of interest and then "paint" an appealing and...
Technical note: Visually encoding program test information to find faults in software (2001)
James Eagan, Mary Jean Harrold, James A. Jones, John Stasko
Large test suites are frequently used to evaluate software systems and to locate errors. Unfortunately, this process can generate a huge amount of data that is difficult to interpret manually. We...
Rethinking the evaluation of algorithm animations as learning aids: an observational study (2001)
Colleen Kehoe, John Stasko, Ashley Taylor
This article reports on a study in which animation is utilized in more of a &&homework" learning scenario rather than a &&"nal exam" scenario. Our focus is on...
Technical Note: Visually Encoding Program Test Information (2001)
To Find Faults, James Eagan, Mary Jean Harrold, James A. Jones, John Stasko
Large test suites are frequently used to evaluate software systems and to locate errors. Unfortunately, this process can generate a huge amount of data that is difficult to interpret manually. We...
Radial, space-filling visualizations can be useful for depicting information hierarchies, but they suffer from one major problem. As the hierarchy grows in size, many items become small, peripheral...
Radial, space-filling visualizations can be useful for depicting information hierarchies, but they suffer from one major problem. As the hierarchy grows in size, many items become small, peripheral...
John Stasko, Richard Catrambone, Mark Guzdial, Kevin Mcdonald
A variety of information visualization tools have been developed recently, but relatively little effort has been made to evaluate the effectiveness and utility of the tools. This article describes...
Rethinking the Evaluation of Algorithm Animations as Learning Aids: An Observational Study (1999)
Colleen Kehoe, John Stasko, Ashley Taylor
A number of prior studies have found that using animation to help teach algorithms had less beneficial effects on learning than hoped. Those results surprise many computer science instructors whose...
Using Cognitive Principles to Design Multimedia Training Environments to Support Learning (1998)
Stasko, John, Catrambone, Richard, Guzdial, Mark, Ram, Ashwin
During this project we examined factors that influence how well people learn from multimedia systems. Our project focused on developing multimedia systems to support human learning, based on...
Semi-Annual Progress Report, 16 November 96 - 16 May 97 (Office of Naval Research). (1997)
Stasko, John, Catrambone, Richard, Guzdial, Mark, Ram, Ashwin
Our project focuses on researching and defining architecture guidelines for developing multimedia systems to support human learning. We base these guidelines on principles from cognitive science....
Online Displays of Parallel Programs: Problems and Solutions (1997)
Greg Eisenhauer, Weiming Gu, Eileen Kraemer, Karsten Schwan, John Stasko
The continuous display of information derived from on-line monitoring presents problems that are more difficult to resolve than those associated with off-line displays. Handling these problems...
The Role of Student Tasks in Accessing Cognitive Media Types (1996)
Michael Byrne, Mark Guzdial, Preetha Ram, Richard Catrambone, Ashwin Ram, John Stasko, ...
: We believe that identifying media by their cognitive roles (e.g., definition, explanation, pseudo-code, visualization) can improve comprehension and usability in hypermedia systems designed for...
Exploring Interface Options in Multimedia Educational Environments (1996)
Gordon Shippey, Ashwin Ram, Florian Albrecht, Janis Roberts, Mark Guzdial, Richard Catrambone, ...
this paper. Finally, future systems can help us explore the learning itself, revealing students' strategies and understandings of their own learning processes. References
Falcon: On-line monitoring and steering of large-scale parallel programs (1995)
Weiming Gu, Greg Eisenhauer, Eileen Kraemer, Karsten Schwan, John Stasko, Jeffrey Vetter
Abstract-- Falcon is a system for on-line monitoring and steering of large-scale parallel programs. The purpose of such interactive steering is to improve its performance or to affect its execution...
Cognitive Media Types for Multimedia Information Access (1995)
Mimi M. Recker, Ashwin Ram, Terry Shikano, George Li, John Stasko
Multimedia repositories, libraries, and databases offer the potential for providing students with access to a wide variety of interconnected information resources. However, in order to realize this...
Empirically Evaluating the Use of Animations to Teach Algorithms (1994)
Albert N. Badre, John T. Stasko, Andrea W. Lawrence, Andrea W. Lawrence, Albert Badre, John Stasko
As algorithm animation systems become more widely available and easy to use, instructors must decide whether to utilize these systems to assist their teaching. Although these systems have generated...
Assessing Program Visualization Systems as Instructional Aids (1991)
Albert Badre, Margaret Beranek, J. Morgan Morris, John Stasko
Recently, program visualization systems have received much attention as learning tools and as software understanding aids. How to evaluate these systems, however, is an open and unexplored area. In...
Mobile Computing in the Retail Arena
Erica Newcomb, Toni Pashley, John Stasko
Although PDAs typically run applications in a "standalone " mode, they are increasingly equipped with wireless communications, which makes them useful in new domains. This capability for...