Improving Results of TF-IDF based Retrieval System using Co-reference Resolution and Pronoun Substitution
Journal Title: Engineering and Technology Journal - Year 2020, Vol 5, Issue 10
Abstract
Information Retrieval systems involve the process of retrieving relevant information based on user queries. TF-IDF is one of the most popular techniques of Information Retrieval. It is widely used and been successful in retrieving relevant information. But still it has some disadvantages. In this paper we propose a method to improve the performance of TF/IDF based systems using Co-reference Resolution and Pronoun Substitution. The system is found to be effective as there has been significant changes in the order of rankings of documents retrieved due to the relative increase in the amount of content that have taken into consideration during the retrieval process. Graphical analysis of the observed improvement is given by visualizations of TF-IDF, Cosine Similarity and Effective improvement in rank for various documents before and after the change of algorithm.
Authors and Affiliations
S. Srihari , Dr. M Premalatha
Keywords
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- EP ID EP698293
- DOI 10.47191/etj/v5i10.01
- Views 50
- Downloads 0
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