1004 search results - page 184 / 201 » Safe Constraint Queries |
PODS
1999
ACM
14 years 29 days ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
DASFAA
1997
IEEE
14 years 26 days ago
1997
IEEE
The success of the World Wide Web is boosting the development of multimedia database systems and their integration into the internet. For the documents stored and exchanged in the...
ICDT
1990
ACM
14 years 20 days ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
DMSN
2007
ACM
14 years 17 days ago
2007
ACM
Vehicle tracking has a wide variety of applications, from law enforcement to traffic planning and public safety. However, the image resolution of the videos available from most tr...
APNOMS
2006
Springer
14 years 11 days ago
2006
Springer
Wireless sensor networks (WSNs) consist of a large collection of small nodes providing collaborative and distributed sensing ability in unpredictable environments. Given their unat...