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  Improving Collection Selection with Overlap-Awareness

Bender, M., Michel, S., Triantafillou, P., Weikum, G., & Zimmer, C. (2005). Improving Collection Selection with Overlap-Awareness. In SIGIR 2005: Proceedings of the Twenty-Eighth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR '05) (pp. 67-74). New York, USA: ACM.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-26C3-4 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-26C4-2
Genre: Conference Paper

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 Creators:
Bender, Matthias1, Author           
Michel, Sebastian1, Author           
Triantafillou, Peter1, Author           
Weikum, Gerhard1, Author           
Zimmer, Christian1, Author           
Baeza-Yates, Ricardo A., Editor
Ziviani, Nivio, Editor
Marchionini, Gary, Editor
Moffat, Alistair, Editor
Tait, John, Editor
Affiliations:
1Databases and Information Systems, MPI for Informatics, Max Planck Society, ou_24018              

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 Abstract: Collection selection has been a research issue for years. Most of the existing literature estimates the expected result quality of a collection, typically using precomputed statistics, and ranks the collections accordingly. We believe that this is insufficient if the collections overlap, e.g., in the scenario of autonomous peers crawling the web. We argue for the extension of existing quality measures using estimators of mutual overlap among collections and present experiments in which this combination outperforms CORI, a popular approach based on quality estimation. In our experiments, we use a prototype implementation of a P2P web search engine that allows handling large amounts of data in a distributed and self-organizing manner. Taking overlap into account during collection selection in this scenario can drastically decrease the number of collections that have to be contacted in order to reach a satisfactory level of recall, which is a great step towards the feasibility of distributed web search.

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Language(s): eng - English
 Dates: 2006-01-172005
 Publication Status: Issued
 Pages: -
 Publishing info: New York, USA : ACM
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 278945
Other: Local-ID: C1256DBF005F876D-E36C30FFE5C3C5E4C1256FE10027A327-SIGIR2005
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Title: Untitled Event
Place of Event: Salvador, Brazil
Start-/End Date: 2005-08-15

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Title: SIGIR 2005 : Proceedings of the Twenty-Eighth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR '05)
Source Genre: Proceedings
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Publ. Info: New York, USA : ACM
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 67 - 74 Identifier: ISBN: 1-59593-034-5