EuroRVVV: EuroVis Workshop on Reproducibility, Verification, and Validation in Visualization

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Browsing EuroRVVV: EuroVis Workshop on Reproducibility, Verification, and Validation in Visualization by Subject "centered design"

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    A Mixed Approach for the Evaluation of a Guided Exploratory Visualization System
    (The Eurographics Association, 2015) Boukhelifa, Nadia; Bezerianos, Anastasia; Lutton, Evelyne; W. Aigner and P. Rosenthal and C. Scheidegger
    We summarise and reflect upon our experience in evaluating a guided exploratory visualization system. Our system guides users in their exploration of multidimensional datasets to pertinent views of their data, where the notion of pertinence is defined by automatic indicators, such as the amount of visual patterns in the view, and subjective user feedback obtained during their interaction with the tool. To evaluate this type of system, we argue for deploying a collection of validation methods that are: user-centered, observing the utility and effectiveness of the system for the end-user; and algorithm-centered, analysing the computational behaviour of the system. We report on observations and lessons learnt from working with expert users both for the design and the evaluation of our system.
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    Using User-Centered Techniques for the Design and Evaluation of Interactive Visualizations to Support Urban and Regional Planning: Case Study Bogota 21
    (The Eurographics Association, 2013) Prieto, D. Fernandez; Zeckzer, D.; Hernández, J. T.; P. Rosenthal and R. S. Laramee and M. Kirby and G. L. Kindlmann
    User-centered techniques and evaluations are very important for the design of interactive visualizations. We applied the UCIV4 Planning Approach (User-Centered Interactive Visualizations for Planning) within the project ''Bogotá 21''. This approach proposes three activities that aim at gathering information about users and perform early evaluations as part of the end of each phase of the process. This paper presents the lessons learned from applying this user-centered approach to the ''Bogotá 21'' project and provides recommendations for improving future instantiations of this and approach and the included evaluations.