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Issue title: Designing a Market for Data to Enable Chance Discoveries
Guest editors: Yukio Ohsawa and Akinori Abe
Article type: Research Article
Authors: Ohsawa, Yukio* | Hayashi, Teruaki
Affiliations: The University of Tokyo, Tokyo, Japan
Correspondence: [*] Corresponding author: Yukio Ohsawa, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan. E-mail:[email protected]
Abstract: This paper presents a result of cases of Innovators Marketplace on Data Jackets (IMDJ), a market-like creativity support system for providers, users, and analysts of data. In the cases dealt here, a method for visualization was created as a result of IMDJ, responding to the presented requirements for data analysis. This created method called Tangled String (TS) visualizes given data including a sequence of items. TS separates the sequence into tangled ``pills'' that are sub-sequences corresponding to parts where the topic is uncertain or various topics are involved, and ``wires'' corresponding to transitions from/to pills. Based on this separation, the importance of items are computed based on their positions in the overall string. This design of visualization of a sequence fits the requirement presented in IMDJ. Furthermore, the performance of TS is shown by experimental cases, one for the text of discourse log and the other for the sensor-based log of human's movement in office. These cases show TS meets requirements in IMDJ, that reflects the social demands for reusing data via analysis.
Keywords: Tangled string, market of data, Data Jackets, Innovators Marketplace on Daja Jackets
DOI: 10.3233/IDT-150251
Journal: Intelligent Decision Technologies, vol. 10, no. 3, pp. 235-247, 2016
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