833 search results - page 27 / 167 » Nested Queries in Object Bases |
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
ICDE
2001
IEEE
14 years 9 months ago
2001
IEEE
LeSelect is a mediator system which allows scientists to publish their resources (data and programs) so they can be transparently accessed. The scientists can typically issue quer...
GIS
2008
ACM
13 years 8 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
Since navigation systems and tracking devices are becoming ubiquitous in our daily life, the development of efficient methods for processing massive sets of mobile objects are of ...
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...