3456 search results - page 89 / 692 » Semantics in Spatial Databases |
VLDB
1994
ACM
14 years 5 days ago
1994
ACM
Making a database system active entails developing an expressive event specification language with well-defined semantics, algorithms for the detection of composite events, and an...
VLDB
1994
ACM
14 years 5 days ago
1994
ACM
One important step in integrating heterogeneous databases is matching equivalent attributes: Determining which fields in two databasesrefer to the samedata. The meaning of informa...
IPPS
2007
IEEE
14 years 2 months ago
2007
IEEE
Last years have witnessed how crowd simulations have become an essential tool for many virtual environment applications. These applications require both rendering visually plausib...
SIGMOD
1995
ACM
13 years 11 months ago
1995
ACM
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
AMAI
2007
Springer
13 years 8 months ago
2007
Springer
Abstract In many scenarios, a database instance violates a given set of integrity constraints. In such cases, it is often required to repair the database, that is, to restore its c...