Creating user's knowledge space from various information usages to support human recollection

Authors:
Harumi Murakami;Kenta Mitsuhashi;Keita Senba
Affiliations:
Graduate School for Creative Cities, Osaka City University, Sumiyoshi, Osaka, Japan;OGIS-RI Co.,Ltd., Nishi, Osaka, Japan;Graduate School for Creative Cities, Osaka City University, Sumiyoshi, Osaka, Japan
Venue:
IEA/AIE'12 Proceedings of the 25th international conference on Industrial Engineering and Other Applications of Applied Intelligent Systems: advanced research in applied artificial intelligence
Year:
2012

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Abstract

To support human recollection, we present a data integration method using a simple information structure called a history structure, which is constructed from time, keywords, and URI sets. We also present algorithms that generate history structures from such information usages as Web searches, twitter, e-mails, calendars, and book purchases and create a user knowledge space. Based on our approach, we developed a system called a knowledge-space browser and evaluated whether it can help users recall a particular day by summarizing that day's history structure. Experimental results reveal the usefulness of our approach and our implemented system.