ICTNET at Web Track 2012 Diversity Task

Abstract

In this paper, we report our experiments at Diversity task, Web Track 2012. In this year, we attempt to use query expansion and topic model such as LDA to get subtopics. And an model based on xQuAD was used to re-rank the ad-hoc search results.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2012
Accession Number
ADA581242

Entities

People

  • Hongbo Xu
  • Xiaoming Yu
  • Xueqi Cheng
  • Yuanhai Xue
  • Yue Liu
  • Zilong Feng

Organizations

  • Chinese Academy of Sciences

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Algorithms
  • Classification
  • Clustering
  • Governments
  • Hierarchies
  • Information Operations
  • Information Retrieval
  • Instructions
  • Monte Carlo Method
  • Preprocessing
  • Probability
  • Sampling
  • Standards
  • Stemming
  • Word Lists

Fields of Study

  • Computer science

Readers

  • Information Retrieval