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Advantages of Query Biased Summaries in Information Retrieval

Advantages of Query Biased Summaries in Information Retrieval. Present ers : Başak Çakar Şadiye Kaptanoğlu. Introduction & Motivation. Typical output of an IR system – static predefined summary Title First few sentences Not a clear view of the relation between document and the query

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Advantages of Query Biased Summaries in Information Retrieval

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  1. Advantages of Query Biased Summaries in Information Retrieval Presenters: BaşakÇakar ŞadiyeKaptanoğlu

  2. Introduction & Motivation • Typical output of an IR system – static predefined summary • Title • First few sentences • Not a clear view of the relation between document and the query • Hard for user to extract relevant information • Aim of the proposed approach • Minimize need of referring to full text • Provide enough information to support retrieval decisions

  3. Summarization System • Based on sentence extraction methods: • Title method • Location method • Term occurrence information • Biasing summaries towards queries

  4. Experimental Setup • 50 randomly selected articles (TREC) • 2 groups, each containing 10 people • Two types of ranked document list • Query biased summary • Static pre-defined summary • 5 minutes to identify relevant documents

  5. Experimental Results

  6. Experimental Results

  7. Conclusion • Performing relevance judgments more accurately • Increasing the speed of user relevance judgments • Avoid the need of referring to full text

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