Experimental Results on the Aggregation Methods in Blog Distillation

  • Authors:
  • Mostafa Keikha;Fabio Crestani

  • Affiliations:
  • -;-

  • Venue:
  • WI-IAT '09 Proceedings of the 2009 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology - Volume 03
  • Year:
  • 2009

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Abstract

This paper addresses the blog distillation problem, that is, given a user query find the blogs that are most related to the query topic. We model each post as evidence about relevance of a blog to the query, and use aggregation methods like Ordered Weighted Averaging operators to combine the evidence. Our experiments on the TREC'07 data set show 42% improvement in Mean Average Precision and 21% improvement in Precision at 10 over a baseline based on the Language Model.