PRIS at TREC2012 KBA Track

Abstract

Our system to KBA Track at TREC2012 is described in this paper, which includes preprocessing, index building, relevance feedback and similarity calculation. In particular, the Jaccard coefficient was applied to calculate the similarities between documents. We also show the evaluation results for our team and the comparison with the best and median evaluations.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2012
Accession Number
ADA581292

Entities

People

  • Baojin Yu
  • Guang Chen
  • Jun Guo
  • Ruiyang Luo
  • Weiran Xu
  • Yan Li
  • Yong Zhang
  • Zhaozhao Wang

Organizations

  • Beijing University of Posts and Telecommunications

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Coefficients
  • Feedback
  • Frequency
  • Governments
  • Information Operations
  • Language
  • Preprocessing
  • Standards
  • Test And Evaluation
  • Text Processing
  • Word Lists

Readers

  • Computational Modeling and Simulation
  • Information Retrieval