XPQL: A pictorial language for querying geographic data (Contributo in atti di convegno)

Type
Label
  • XPQL: A pictorial language for querying geographic data (Contributo in atti di convegno) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/978-3-540-30075-5_89 (literal)
Alternative label
  • Fernando Ferri; Patrizia Grifoni; Maurizio Rafanelli (2004)
    XPQL: A pictorial language for querying geographic data
    in 15th International Conference, DEXA 2004, Zaragoza, Spain, August 30-September 3, 2004
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fernando Ferri; Patrizia Grifoni; Maurizio Rafanelli (literal)
Pagina inizio
  • 925 (literal)
Pagina fine
  • 935 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • Database and Expert Systems Applications (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 3180 (literal)
Note
  • Scopu (literal)
  • Google Scholar (literal)
  • DBLP (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Fernando Ferri: IRPPS-CNR Patrizia Grifoni: IRPPS-CNR Maurizio Rafanelli: IRPPS-CNR (literal)
Titolo
  • XPQL: A pictorial language for querying geographic data (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 3-540-22936-1 (literal)
Abstract
  • This paper proposes and discusses an eXtended Pictorial Query Language (XPQL) for geographic data and the possibilities for its use on the Web. This language is mapped on Geographic Markup Language (GML3.0), which is used for transport on to the Web and storage of geographic information, including spatial and non-spatial properties and temporal and topological properties. The XPQL algebra is described and an example of the language given using the implemented prototype. The method used to solve ambiguities arising when drawing the different features of the pictorial query is also explained. Particular attention is given to queries which include temporal constraints and the way to express these. (literal)
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