About: Scalable Similarity Search in Metric Spaces     Goto   Sponge   NotDistinct   Permalink

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Description
  • Similarity search in metric spaces represents an important paradigm for content-based retrieval of many applications. Existing centralized search structures can speed-up retrieval, but they do not scale up to large volume of data because the response time is linearly increasing with the size of the searched file. The proposed GHT* index is a scalable and distributed structure. By exploiting parallelism in a dynamic network of computers, the GHT* achieves practically constant search time for similarity range queries in data-sets of arbitrary size. The amount of replicated routing information on each server increases logarithmically. At the same time, the potential for interquery parallelism is increasing with the growing data-sets because the relative number of servers utilized by individual queries is decreasing. All these properties are verified by experiments on a prototype system using real-life data-sets.
  • Similarity search in metric spaces represents an important paradigm for content-based retrieval of many applications. Existing centralized search structures can speed-up retrieval, but they do not scale up to large volume of data because the response time is linearly increasing with the size of the searched file. The proposed GHT* index is a scalable and distributed structure. By exploiting parallelism in a dynamic network of computers, the GHT* achieves practically constant search time for similarity range queries in data-sets of arbitrary size. The amount of replicated routing information on each server increases logarithmically. At the same time, the potential for interquery parallelism is increasing with the growing data-sets because the relative number of servers utilized by individual queries is decreasing. All these properties are verified by experiments on a prototype system using real-life data-sets. (en)
  • Tento článek popisuje strukturu pro distribuované podobnostní hledaní v metrických prostorech. (cs)
Title
  • Škálovatelné podobnostní hledání v metrických prostorech (cs)
  • Scalable Similarity Search in Metric Spaces
  • Scalable Similarity Search in Metric Spaces (en)
skos:prefLabel
  • Škálovatelné podobnostní hledání v metrických prostorech (cs)
  • Scalable Similarity Search in Metric Spaces
  • Scalable Similarity Search in Metric Spaces (en)
skos:notation
  • RIV/00216224:14610/04:00010210!RIV08-MSM-14610___
http://linked.open.../vavai/riv/strany
  • 213-224
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 143300004)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 585509
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14610/04:00010210
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • distributed data; scalable structures; similarity search; metric space (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [4E349F0386DE]
http://linked.open...v/mistoKonaniAkce
  • Cagliari
http://linked.open...i/riv/mistoVydani
  • Cagliari
http://linked.open...i/riv/nazevZdroje
  • Pre-proceedings of the Sixth Thematic Workshop of the EU Network of Excellence DELOS
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Batko, Michal
  • Zezula, Pavel
  • Gennaro, Claudio
  • Pasquale, Savino
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Edizioni Progetto Padova
http://localhost/t...ganizacniJednotka
  • 14610
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