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Design and compare the performances of Information Retrieval Models of TF-IDF, Cosine Similarity, BM25. Implemented query expansion using psuedo relevance feedback to display better results.

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README.md		README.md
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cs6200f16-IRProject

Design and build a IR System

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Design and compare the performances of Information Retrieval Models of TF-IDF, Cosine Similarity, BM25. Implemented query expansion using psuedo relevance feedback to display better results.

inverted-index cosine-similarity stopwords tokenizing-parser tfidf bm25 query-expansion stemming psuedo-relevance

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