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Transparent and User-Controllable Personalization For Information Exploration

By Peter Brusilovsky

Abstract

Personalized Web search has emerged as one of the hottest topics for both the Web industry and academic researchers. However, the majority of studies on personalized search focused on a rather simple type of search, which leaves an important research topic – the personalization in exploratory searches – as an under-studied area. In this paper, we present a study of personalization in taskbased information exploration using a system called TaskSieve. TaskSieve is a Web search system that utilizes a relevance feedback based profile, called a “task model”, for personalization. Its innovations include flexible and user controlled integration of queries and task models and on-screen visualization of task models. Through an empirical study using human subjects conducting task-based exploration searches, we demonstrate that TaskSieve pushes significantly more relevant documents to the top of search result lists as compared to a traditional search system. TaskSieve helps users select significantly more accurate information for their tasks, allows the users to do so with higher productivity, and is viewed more favorably by subjects under several usability related characteristics. 1

Year: 2010
OAI identifier: oai:CiteSeerX.psu:10.1.1.169.235
Provided by: CiteSeerX
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