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Utilizing episodic context in search of personal information archives

Chen, Yi and Jones, Gareth J.F. (2013) Utilizing episodic context in search of personal information archives. In: 7th Annual Irish HCI Conference, 12-13 June 2013, Dundalk.

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Abstract

An important factor in successful search of personal information archives is the searcher’s memory of the contents of the archive. Recently, increasing attention has been paid to episodic memory or source memory related to finding personal information. Unfortunately, due to the absence of records for episodic context, most existing studies have only been able to explore frequently recalled episodic information without examining the correctness of the recalled details. In this paper, we report our studies which not only further explore the information that people tend to recall when looking for previously encountered items, but also examine the features that are likely to be remembered correctly. This study is based the records of three subjects who have very rare collections of two-year long episodic context data from their daily life experiences. Based on these findings, we have developed a system which aims to enable users to search for a variety of personal information with what they are most likely to correctly recall about it. This system is evaluated with the three subjects and their data collections. The results support our hypothesis that utilising episodic context brings better user experience and effectiveness for searching person information.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Refereed:Yes
Uncontrolled Keywords:Memory; Search; Refinding; Context
Subjects:Computer Science > Lifelog
Computer Science > Information retrieval
DCU Faculties and Centres:Research Initiatives and Centres > Centre for Digital Video Processing (CDVP)
Research Initiatives and Centres > Centre for Next Generation Localisation (CNGL)
DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Published in:Proceedings of 7th Annual Irish HCI Conference. .
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:Science Foundation Ireland
ID Code:19917
Deposited On:17 Apr 2014 10:59 by Gareth Jones. Last Modified 17 Apr 2014 10:59

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