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2017 IEEE Pacific Visualization Symposium (PacificVis) (2017)
Seoul, South Korea
April 18, 2017 to April 21, 2017
ISSN: 2165-8773
ISBN: 978-1-5090-5739-9
pp: 230-239
Donghao Ren , University of California, Santa Barbara, United States of America
Matthew Brehmer , Microsoft Research, China
Bongshin Lee , Microsoft Research, China
Tobias Hollerer , University of California, Santa Barbara, United States of America
Eun Kyoung Choe , Pennsylvania State University, United States of America
Annotation plays an important role in conveying key points in visual data-driven storytelling; it helps presenters explain and emphasize core messages and specific data. However, the visualization research community has a limited understanding of annotation and its role in data-driven storytelling, and existing charting software provides limited support for creating annotations. In this paper, we characterize a design space of chart annotations, one informed by a survey of 106 annotated charts published by six prominent news graphics desks. Using this design space, we designed and developed ChartAccent, a tool that allows people to quickly and easily augment charts via a palette of annotation interactions that generate manual and data-driven annotations. We also report on a study in which participants reproduced a series of annotated charts using ChartAccent, beginning with unadorned versions of the same charts. Finally, we discuss the lessons learned during the process of designing and evaluating ChartAccent, and suggest directions for future research.
Tools, Visualization, Data visualization, Manuals, Bars

D. Ren, M. Brehmer, Bongshin Lee, T. Hollerer and E. K. Choe, "ChartAccent: Annotation for data-driven storytelling," 2017 IEEE Pacific Visualization Symposium (PacificVis)(PACIFICVIS), Seoul, South Korea, 2017, pp. 230-239.
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