PRIS in TREC 2008 Blog Track

Abstract

This paper describes BUPT (pris) participation in baseline adhoc retrieval task and the opinion retrieval task at Blog Track 2008. The system adopts a two-stage strategy in the opinion retrieval task. In the first stage, the system carries out a basic topic relevance retrieval to get the top 1,000 documents for each query. In the second stage, our system combines several Maximum Entropy based classifiers to implement opinion judging and ranking.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2008
Accession Number
ADA512695

Entities

People

  • Bo Chen
  • Hui He
  • Huiji Gao
  • Jun Guo
  • Lei Du
  • Si Li
  • Weiran Xu

Organizations

  • Peking University

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Communication Systems
  • Computer Science
  • Electronic Mail
  • Information Operations
  • Judgment
  • Language
  • Machine Learning
  • Online Communications
  • Polarity
  • Preprocessing
  • Sequences
  • Standards
  • Test And Evaluation
  • Universities

Fields of Study

  • Computer science

Readers

  • Information Retrieval