Application of hybrid of Fuzzy Set, Trust and Genetic Algorithm in query log mining for effective Information Retrieval

Suruchi Chawla
  • Suruchi Chawla
    Assistant Professor Shaheed Rajguru College of Applied Science for Women, University of Delhi, India |


The precision of Information Retrieval (IR) System is low due to imprecise user queries as well as because of information overload on web.  The Fuzzy set infers the user’s information need from vague and imprecise queries and web recommender systems are used to overcome information overload problem. The performance of recommender system is still low due to data sparsity. The concept of trust is used to deal with data sparseness problem and improves the performance of recommender system.  Optimization techniques like Genetic Algorithm(GA) have been applied in domain of information retrieval for effective web search. In this research hybrid of Fuzzy set, GA and Trust has been used together in query log mining for personalized web search based on using fuzzy queries for recommendation of optimal set of trusted documents. Thus the use of hybrid of Fuzzy set, trust and GA together infer the user’s information need from vague and imprecise user’s queries and optimize the web page ranking of trusted web pages for effective personalized web search. The experimental results were analyzed statistically as well as compared with GA IR, and Fuzzy Trust based IR. Hence based on comparative analysis of results, thus hybrid of Fuzzy Set, Trust and GA shows the improvement in average precision of search results and confirms the effective personalization of web search. 


Fuzzy Set; Genetic Algorithm; Information Retrieval; Information Scent; Recommender System; Trust.

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Submitted: 2017-10-15 08:17:16
Published: 2018-03-29 15:53:49
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