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Contextual support for Collaborative Information Retrieval

Han, S and He, D and Yue, Z and Jiang, J (2016) Contextual support for Collaborative Information Retrieval. CHIIR 2016 - Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval. 33 - 42.

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Abstract

© 2016 ACM. Recent research shows that Collaborative Information Retrieval (CIR), in which two or more users collaborate on the same search task, has become increasingly popular. The presence of both search and collaboration behaviors makes CIR a complex search format, which further drives a critical need to understand CIR's search context. The contextual support for CIR should consider search contexts derived from both team members' search histories (including users' own search histories and partners' search histories) and their explicit collaboration (e.g., chatting). As it stands, existing studies on contextual search support only focus on Individual Information Retrieval (IIR) and only utilize individuals' own search histories. In this paper, we examine the unique search contexts (e.g., partners' search histories and team collaboration histories) in CIR. Based on a user study data collection with 54 participants, we find that compared to the use of individuals' own search histories, CIR contextual support is more effective when utilizing partners' search histories and teams' collaboration behaviors. More interestingly, though the explicit communication information (i.e., chat content) often involves massive noisy information, involving such noise does not affect the ranking of relevant documents since it also does not appear in relevant documents.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Han, Sshh69@pitt.eduSHH69
He, Ddah44@pitt.eduDAH44
Yue, Z
Jiang, J
Date: 13 March 2016
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: CHIIR 2016 - Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval
Page Range: 33 - 42
Event Type: Conference
DOI or Unique Handle: 10.1145/2854946.2854963
Institution: University of Pittsburgh
Schools and Programs: School of Information Sciences > Information Science
Refereed: Yes
ISBN: 9781450337519
Date Deposited: 20 Jun 2016 15:07
Last Modified: 13 Oct 2017 22:59
URI: http://d-scholarship.pitt.edu/id/eprint/28246

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