Global resources for peer-to-peer text retrieval

Authors:
Hans Friedrich Witschel
Affiliations:
University of Leipzig, Leipzig, Germany
Venue:
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Year:
2007

Citing 2
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Abstract

The thesis presented in this paper tackles selected issues in unstructured peer-to-peer information retrieval (P2PIR) systems, using world knowledge for solving P2PIR problems. A first part uses so-called reference corpora for estimating global term weights such as IDF instead of sampling them from the distributed collection. A second part of the work will be dedicated to the question of query routing in unstructured P2PIR systems using peer resource descriptions and world knowledge for query expansion.