239 search results - page 2 / 48 » Complete Geometrical Query Languages |
ICDT
2009
ACM
14 years 8 months ago
2009
ACM
Marx and de Rijke have shown that the navigational core of the w3c XML query language XPath is not first-order complete ? that is it cannot express every query definable in firsto...
DBPL
2007
Springer
14 years 1 months ago
2007
Springer
Annotated relational databases can be queried either by simply making the annotations explicitly available along the ordinary data, or by adapting the standard query operators so ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
ASM
2000
ASM
13 years 11 months ago
2000
ASM
JUCS
2010
13 years 2 months ago
2010
: Motivated by our experiences with spatial modelling for the sustainable land use initiative we present a geometrically enhanced ER model (GERM), which preserves the key principle...