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Description
  • The signature quadratic form distance has been introduced as an adaptive similarity measure coping with flexible content representations of multimedia data. While this distance has shown high retrieval quality, its high computational complexity underscores the need for efficient search methods. Recent research has shown that a huge improvement in search efficiency is achieved when using metric indexing. In this paper, we analyze the applicability of Ptolemaic indexing to the signature quadratic form distance. We show that it is a Ptolemaic metric and present an application of Ptolemaic pivot tables to image databases, resolving queries nearly four times as fast as the state-of-the-art metric solution, and up to 300 times as fast as sequential scan.
  • The signature quadratic form distance has been introduced as an adaptive similarity measure coping with flexible content representations of multimedia data. While this distance has shown high retrieval quality, its high computational complexity underscores the need for efficient search methods. Recent research has shown that a huge improvement in search efficiency is achieved when using metric indexing. In this paper, we analyze the applicability of Ptolemaic indexing to the signature quadratic form distance. We show that it is a Ptolemaic metric and present an application of Ptolemaic pivot tables to image databases, resolving queries nearly four times as fast as the state-of-the-art metric solution, and up to 300 times as fast as sequential scan. (en)
Title
  • Ptolemaic Indexing of the Signature Quadratic Form Distance
  • Ptolemaic Indexing of the Signature Quadratic Form Distance (en)
skos:prefLabel
  • Ptolemaic Indexing of the Signature Quadratic Form Distance
  • Ptolemaic Indexing of the Signature Quadratic Form Distance (en)
skos:notation
  • RIV/00216208:11320/11:10100177!RIV12-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021620838)
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
  • 225207
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/11:10100177
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Distance; Form; Quadratic; Signature; Indexing; Ptolemaic (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [BB61A5BB8222]
http://linked.open...v/mistoKonaniAkce
  • Lipari, Italy
http://linked.open...i/riv/mistoVydani
  • New York, USA
http://linked.open...i/riv/nazevZdroje
  • Fourth International Conference on Similarity Search and Applications 2011
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Lokoč, Jakub
  • Skopal, Tomáš
  • Beecks, Christian
  • Hetland, Magnus
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://bibframe.org/vocab/doi
  • 10.1145/1995412.1995417
http://purl.org/ne...btex#hasPublisher
  • ACM
https://schema.org/isbn
  • 978-1-4503-0795-6
http://localhost/t...ganizacniJednotka
  • 11320
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