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|Title:||iDISQUE: Tuning high-dimensional similarity queries in DHT networks||Authors:||Zhang, X.
|Issue Date:||2010||Citation:||Zhang, X.,Shou, L.,Tan, K.-L.,Chen, G. (2010). iDISQUE: Tuning high-dimensional similarity queries in DHT networks. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 5981 LNCS (PART 1) : 19-33. ScholarBank@NUS Repository. https://doi.org/10.1007/978-3-642-12026-8_4||Abstract:||In this paper, we propose a fully decentralized framework called iDISQUE to support tunable approximate similarity query of high dimensional data in DHT networks. The iDISQUE framework utilizes a distributed indexing scheme to organize data summary structures called iDisques, which describe the cluster information of the data on each peer. The publishing process of iDisques employs a locality-preserving mapping scheme. Approximate similarity queries can be resolved using the distributed index. The accuracy of query results can be tuned both with the publishing and query costs. We employ a multi-probe technique to reduce the index size without compromising the effectiveness of queries. We also propose an effective load-balancing technique based on multi-probing. Experiments on real and synthetic datasets confirm the effectiveness and efficiency of iDISQUE. © Springer-Verlag Berlin Heidelberg 2010.||Source Title:||Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)||URI:||http://scholarbank.nus.edu.sg/handle/10635/42155||ISBN:||3642120253||ISSN:||03029743||DOI:||10.1007/978-3-642-12026-8_4|
|Appears in Collections:||Staff Publications|
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