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Generalising multiple capture-recapture to non-uniform sample sizes

Published: 20 July 2008 Publication History

Abstract

Algorithms in distributed information retrieval often rely on accurate knowledge of the size of a collection. The "multiple capture-recapture" method of Shokouhi et al. is one of the more reliable algorithms for determining collection size, but it relies on samples with a uniform number of documents. Such uniform samples are often hard to obtain in a working system.
A simple generalisation of multiple capture-recapture does not rely on uniform sample sizes. Simulations show it is as accurate as the original method even when sample sizes vary considerably, making it a useful technique in real tools.

References

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K. Bharat and A. Broder. A technique for measuring the relative size and overlap of public web search engines. In Proc. WWW, 1998.
[2]
J. Callan and M. Connell. Query-based sampling of text databases. ACM Trans. Info. Systems, 19(2), 2001.
[3]
K.-L. Liu, A. Santoso, C. Yu, W. Meng, and C. Zhang. Discovering the representative of a search engine. In Proc. CIKM, 2001. Poster.
[4]
M. Shokouhi, J. Zobel, F. Scholer, and S. M. M. Tahaghoghi. Capturing collection size for distributed non-cooperative retrieval. In Proc. ACM SIGIR, 2006.
[5]
P. Thomas and D. Hawking. Evaluating sampling methods for uncooperative collections. In Proc. ACM SIGIR, 2007.

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  • (2012)Size estimation of non-cooperative data collectionsProceedings of the 14th International Conference on Information Integration and Web-based Applications & Services10.1145/2428736.2428774(239-246)Online publication date: 3-Dec-2012

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cover image ACM Conferences
SIGIR '08: Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
July 2008
934 pages
ISBN:9781605581644
DOI:10.1145/1390334
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Published: 20 July 2008

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  • (2012)Size estimation of non-cooperative data collectionsProceedings of the 14th International Conference on Information Integration and Web-based Applications & Services10.1145/2428736.2428774(239-246)Online publication date: 3-Dec-2012

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