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Integration of user profiles: models and experiments in information retrieval

Myaeng, SH and Korfhage, RR (1990) Integration of user profiles: models and experiments in information retrieval. UNSPECIFIED. UNSPECIFIED.

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One difficult problem in information retrieval (IR) is the proper interpretation of user queries. It is extremely hard for users to express their information needs in a specific yet exhaustive way. In an effort to alleviate this problem, two theoretical models have been proposed to utilize user characteristics maintained in the form of a user profile. Although the idea of integrating user profiles into an IR system is intuitively appealing, and the models seem viable, no research to date has established a foundation for the roles of user profiles in such a system. Aiming at the investigation of the roles of user profiles, therefore, this study first identifies and extends various query/profile interaction models to provide a ground upon which the investigation can be undertaken. From a continuum of models characterized on the basis of interaction types, metrics, and parameters, nearly 400 models are chosen to investigate the "model space." New measures are developed based on the notion of user satisfaction/frustration. In addition, three different criteria are used to guide users in making judgments on the quality of retrieved items. Analysis of the data obtained from the experiments shows that, for a wide variety of criteria and metrics, there are always some query/profile interaction models that outperform the query alone model. In addition, preferable characteristics for different criteria are identified in terms of interaction types, parameters, and metrics. © 1990.


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Item Type: Monograph (UNSPECIFIED)
Status: Published
CreatorsEmailPitt UsernameORCID
Myaeng, SH
Korfhage, RRrrk8@pitt.eduRRK8
Date: 1 January 1990
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: Information Processing and Management
Volume: 26
Number: 6
Page Range: 719 - 738
DOI or Unique Handle: 10.1016/0306-4573(90)90048-7
Institution: University of Pittsburgh
Department: School of Library and Information Science
Schools and Programs: School of Information Sciences > Library and Information Science
Refereed: No
ISSN: 0306-4573
Other ID: LIS008/IS88008
Date Deposited: 22 Apr 2013 17:29
Last Modified: 02 Feb 2019 14:55


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