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

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons45166

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons45041

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons44113

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

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Zitation

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.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-23F2-1
Zusammenfassung
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.