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IQR: an interactive query relaxation system for the empty-answer problem.

Davide MottinAlice MarascuSenjuti Basu RoyGautam DasThemis PalpanasYannis Velegrakis
Published in: SIGMOD Conference (2014)
Keyphrases
  • query relaxation
  • knowledge driven
  • approximate answers
  • web databases
  • databases
  • rdf data
  • metadata
  • data analysis