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Customization Of A Generic Search Engine By Adding User Categories

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Customization Of A Generic Search Engine By Adding User Categories

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dc.contributor.author Madkaiker, Ajay Mohandas en_US
dc.date.accessioned 2007-08-23T01:55:55Z
dc.date.available 2007-08-23T01:55:55Z
dc.date.issued 2007-08-23T01:55:55Z
dc.date.submitted December 2005 en_US
dc.identifier.other DISS-1184 en_US
dc.identifier.uri http://hdl.handle.net/10106/29
dc.description.abstract The current search engines available on the Net are generic in nature. They do not consider user preferences and treat all users information needs in the same way. As a result they frequently return a large number of links, that do not meet the user's information need. This requires more searching to find what the user is looking for. For example if a user is interested in a particular game, e.g. cricket, and enters the query world cup, a generic search engine would return links of all the sports that hold a world cup. The user has to browse through a considerable number of non-relevant pages before he is able to get to links he is looking for. This is also because search engines don't have the ability to ask a few questions and they also can not rely on judgment and past experience to rank web pages, in the way humans can. This raises the issue of customizing a generic search engine to consider user preferences. There have been a number of attempts in the past to personalize the search for information on the Net. These systems are based on relevance feedback methods, similarity measures, or storing a user profile explicitly or implicitly. Some of them have shown impressive results in query expansion and providing pages similar to the user's interest. Here we propose a novel system for personalizing web search. Our method is based on creating a user profile as he performs his routine searches in a given user category. In this customization, the user is allowed to create personal user categories within which he could search for information on the Net without getting too many irrelevant links in his search results. The application enhances the query by adding words that are generated from the user profile stored for a particular user category. It uses information about the probabilistic co-occurrence of words in the user profile with other words in the query as a measure for adding words. The snippets returned from the generic search engine are then classified on the basis of the user profile and are re-ordered according to a measure representing the interest of the user. With our method the user not only gets personalized query expansion but also receives re-ordered search results from the search engine. In this system the query expansion is made to optimize the estimated returns of the search engine, taking into account the classification accuracy and re-ranking of results. The system add words that would give the user the best possible returns according to his user profile. en_US
dc.description.sponsorship Huber, Manfred en_US
dc.language.iso EN en_US
dc.publisher Computer Science & Engineering en_US
dc.title Customization Of A Generic Search Engine By Adding User Categories en_US
dc.type M.S. en_US
dc.contributor.committeeChair Huber, Manfred en_US
dc.degree.department Computer Science & Engineering en_US
dc.degree.discipline Computer Science & Engineering en_US
dc.degree.grantor University of Texas at Arlington en_US
dc.degree.level masters en_US
dc.degree.name M.S. en_US
dc.identifier.externalLink https://www.uta.edu/ra/real/editprofile.php?onlyview=1&pid=190
dc.identifier.externalLinkDescription Link to Research Profiles

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