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Overview

This project aims to implement various IR models, evaluate the IR system and improve the

search result based on your understanding of the models, the implementation, and the

evaluation. You are given twitter data in three languages - English, German and Russian, 15

sample queries and the corresponding relevance judgments. You will index the given twitter

data using Solr, implement Vector Space Model and BM25 based on Solr, and evaluate the two

sets of results using Trec_Eval program. Based on the evaluation result, you are asked to

improve the performance in terms of the mean Average Precision (MAP)

programmatically

measure.

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