Evaluating event visualization: a usability study of COPLINK spatio-temporal visualizer

Chung, Wingyan; Chen, Hsinchun; Chaboya, Luis; O'Toole, Christopher; Atabakhsh, Homa

doi:10.1016/j.ijhcs.2004.08.005

Cited by 33 publications

(26 citation statements)

References 31 publications

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“…As a step toward a more formal evaluation in the future, we briefly consider: a review of software tools and techniques for event visualisation by Chung et al [67], and heuristics for the design of information visualisations by Baldonado et al [68].…”

Section: Further Evaluation Of the Multi-dimensional Timeline Techniquementioning

confidence: 99%

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Representing the behaviour of software projects using multi-dimensional timelines

Rainer¹

2010

Information and Software Technology

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Original article can be found at: http://www.sciencedirect.com/science/journal/09505849 Copyright Elsevier B.V.Context: There are few empirical studies in the empirical software engineering research community that describe software projects, at the level of the project, as they progress over time. Objective: To investigate how to coherently represent a large volume of qualitative and quantitative data on a range of project-level attributes as those attributes change over time. Method: Develop a modelling technique, multi-dimensional timelines (MDTs) and undertake a preliminary appraisal of the technique using examples from a longitudinal case study of a project at IBM Hursley Park. Results: MDTs can represent project-level attributes as they change over time, provided these attributes, and the empirical data about them, can be located in time (an analytical requirement) and can be represented in terms of the simple geometrical structures of points, lines and planes (a graphical requirement). Changes in attributes are documented at the point in time at which the change occurs. There are a number of ways in which an attribute can be represented on the MDT: as a quantitative time series, as an event, as an event with label containing complex qualitative information, or as a schedule. The MDT technique is currently not capable of representing relationships between different attributes e.g. a causal relationship. Conclusion: The initial appraisal of MDTs is encouraging, but further work is needed on the development of the MDT technique and on its evaluation

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Section: Further Evaluation Of the Multi-dimensional Timeline Techniquementioning

confidence: 99%

“…According to Chung et al [67], the temporal and spatial dimensions are the primary focus for many event visualisation techniques implemented in software tools. Chung et al reviewed 24 techniques and tools that have been produced between 1991 and 2003.…”

Section: Further Evaluation Of the Multi-dimensional Timeline Techniquementioning

confidence: 99%

Representing the behaviour of software projects using multi-dimensional timelines

Rainer¹

2010

Information and Software Technology

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“…These databases are also used in processing information such as crime records [27], patients' history, and records of traffic accidents etc. Table 1 shows a summary on event-based techniques from [6]. Space-related…”

Section: Event-based Databasementioning

confidence: 99%

“…Algo. 6 Calculates the degree of suspicion of all members within the cluster based on the existence of shell companies. Algo.…”

Section: Algorithms For Calculating the Degree Of Suspicionmentioning

confidence: 99%

Event-based approach to money laundering data analysis and visualization

Cheong

2010

Proceedings of the 3rd International Symposium on Visual Information Communication

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Crime specific event patterns are crucial in detecting potential relationships among suspects in criminal networks. However, current link analysis tools commonly used in detection do not utilize such patterns for detecting various types of crimes. These analysis tools usually provide generic functions for all types of crimes and heavily rely on the user's expertise on the domain knowledge of the crime for successful detection. As a result, they are less effective in detecting patterns in certain crimes. In addition, substantial effort is also required for analyzing vast amount of crime data and visualizing the structural views of the entire criminal network. In order to alleviate these problems, an event-based approach to money laundering data analysis and visualization is proposed in this paper. The effectiveness of the proposed method is demonstrated on a money laundering case from Taiwan.

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“…Information visualization technologies have been used in many domains (Zhu & Chen, 2005) such as criminal analysis (Chung, Chen, Chaboya, O'Toole, & Atabakhsh, 2005) and business stakeholder analysis (Chung, 2007). For example, multidimensional scaling (MDS) algorithms consist of a family of techniques that portray a data structure in a spatial fashion, where the coordinates of data points are calculated by a dimensionality reduction procedure (Young, 1987).…”

Section: Advanced Information Technologies For Combating Terrorismmentioning

confidence: 99%

Uncovering the dark Web: A case study of Jihad on the Web

Chen

Chung

Qin

et al. 2008

J. Am. Soc. Inf. Sci.

Self Cite

145

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While the Web has become a worldwide platform for communication, terrorists share their ideology and communicate with members on the "Dark Web"-the reverse side of the Web used by terrorists. Currently, the problems of information overload and difficulty to obtain a comprehensive picture of terrorist activities hinder effective and efficient analysis of terrorist information on the Web. To improve understanding of terrorist activities, we have developed a novel methodology for collecting and analyzing Dark Web information. The methodology incorporates information collection, analysis, and visualization techniques, and exploits various Web information sources. We applied it to collecting and analyzing information of 39 Jihad Web sites and developed visualization of their site contents, relationships, and activity levels. An expert evaluation showed that the methodology is very useful and promising, having a high potential to assist in investigation and understanding of terrorist activities by producing results that could potentially help guide both policymaking and intelligence research.

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Evaluating event visualization: a usability study of COPLINK spatio-temporal visualizer

Cited by 33 publications

References 31 publications

Representing the behaviour of software projects using multi-dimensional timelines

Representing the behaviour of software projects using multi-dimensional timelines

Event-based approach to money laundering data analysis and visualization

Uncovering the dark Web: A case study of Jihad on the Web

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