Size Doesn't Always Matter: Exploiting PageRank for Query Routing in 
Distributed IR

Parreira, Josiane Xavier; Michel, Sebastian; Bender, Matthias

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Size Doesn't Always Matter: Exploiting PageRank for Query Routing in Distributed IR

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Parreira, Josiane Xavier
Databases and Information Systems, MPI for Informatics, Max Planck Society;

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Michel, Sebastian
Databases and Information Systems, MPI for Informatics, Max Planck Society;

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Bender, Matthias
Databases and Information Systems, MPI for Informatics, Max Planck Society;

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引用

Parreira, J. X., Michel, S., & Bender, M. (2006). Size Doesn't Always Matter: Exploiting PageRank for Query Routing in Distributed IR. In P2PIR '06: Proceedings of the International Workshop on Information Retrieval in Peer-to-peer Networks (pp. 25-32). New York, USA: ACM.

引用: https://hdl.handle.net/11858/00-001M-0000-000F-23F2-1

要旨

PageRank authority scores have proven to be a powerful ingredient to local document scoring. This paper presents several possible strategies to incorporate authority scores into that process. We showcase JXP, an authority score measure that converges to true global PageRank scores in a distributed environment. We develop a hybrid strategy that leverages from the combined power of authority scores and other popular query routing measures, such as CORI. We present preliminary experimental results that support our hypothesis that authority scores can be highly beneficial to query routing.