ICTNET at Web Track 2009 Diversity task

Abstract

We (ICTNET team) participated in Web Track of TREC2009, and in this paper, we summarize our work on Diversity task of Web Track, which is new in this year. The goal of the diversity task is to return a ranked list of pages that together provide complete coverage for a query, while avoiding excessive redundancy in the result list. For this task, we cluster the results of ad hoc task, and rerank the results depend on subtopics docs covers. Besides, we introduce two methods which tried to find the implicit subtopic by using the docs returned from commerce search engine.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2009
Accession Number
ADA517721

Entities

People

  • Feng Guan
  • Hongbo Xu
  • Wenjing Bi
  • Xiaoming Yu
  • Xueqi Cheng
  • Yue Liu
  • Zeying Peng

Organizations

  • Chinese Academy of Sciences

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Algorithms
  • Clustering
  • Commerce
  • Data Sets
  • Information Operations
  • Information Retrieval
  • Internet
  • Language
  • Natural Language Processing
  • Standards
  • Teamwork
  • World Wide Web

Fields of Study

  • Computer science

Readers

  • Computational Linguistics
  • Defense Technology Research and Development.
  • Library and Information Science