Accession Number:

ADA512721

Title:

External Query Expansion in the Blogosphere

Descriptive Note:

Conference paper

Corporate Author:

AMSTERDAM UNIV (NETHERLANDS)

Personal Author(s):

Report Date:

2008-11-01

Pagination or Media Count:

5.0

Abstract:

We describe the participation of the University of Amsterdams ILPS group in the blog track at TREC 2008. We mainly explored different ways of using external corpora to expand the original query. In the blog post retrieval task we did not succeed in improving over a simple baseline equal weights for both the expanded and original query. Obtaining optimal weights for the original and the expanded query remains a subject of investigation. In the blog distillation task we tried to improve over our strong baseline using external expansion, but due to differences in the run setup, comparing these runs is hard. Compared to a simpler baseline, we see an improvement for the run using external expansion on the combination of news, Wikipedia and blog posts.

Subject Categories:

  • Information Science
  • Operations Research

Distribution Statement:

APPROVED FOR PUBLIC RELEASE