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VISOR: Visualizing Summaries of Ordered Data


Mahlknecht, Giovanni; Böhlen, Michael Hanspeter; Dignös, Anton; Gamper, Johann (2017). VISOR: Visualizing Summaries of Ordered Data. In: 29th International Conference on Scientific and Statistical Database Management, Chicago, Illinois, USA, 27 June 2017 - 29 June 2017, 40:1-40:5.

Abstract

In this paper, we present the VISOR tool, which helps the user to explore data and their summary structures by visualizing the relationships between the size k of a data summary and the induced error. Given an ordered dataset, VISOR allows to vary the size k of a data summary and to immediately see the effect on the induced error, by visualizing the error and its dependency on k in an &epsis;-graph and Δ-graph, respectively. The user can easily explore different values of k and determine the best value for the summary size. VISOR allows also to compare different summarization methods, such as piecewise constant approximation, piecewise aggregation approximation or V-optimal histograms. We show several demonstration scenarios, including how to determine an appropriate value for the summary size and comparing different summarization techniques.

Abstract

In this paper, we present the VISOR tool, which helps the user to explore data and their summary structures by visualizing the relationships between the size k of a data summary and the induced error. Given an ordered dataset, VISOR allows to vary the size k of a data summary and to immediately see the effect on the induced error, by visualizing the error and its dependency on k in an &epsis;-graph and Δ-graph, respectively. The user can easily explore different values of k and determine the best value for the summary size. VISOR allows also to compare different summarization methods, such as piecewise constant approximation, piecewise aggregation approximation or V-optimal histograms. We show several demonstration scenarios, including how to determine an appropriate value for the summary size and comparing different summarization techniques.

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Additional indexing

Item Type:Conference or Workshop Item (Paper), refereed, original work
Communities & Collections:03 Faculty of Economics > Department of Informatics
Dewey Decimal Classification:000 Computer science, knowledge & systems
Language:English
Event End Date:29 June 2017
Deposited On:18 Aug 2017 13:10
Last Modified:19 Aug 2017 07:27
Publisher:ACM
ISBN:978-1-4503-5282-6
Publisher DOI:https://doi.org/10.1145/3085504.3091115
Other Identification Number:merlin-id:15012

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