132 search results - page 22 / 27 » Optimal Database Locks for Efficient Integrity Checking |
SSD
1999
Springer
13 years 12 months ago
1999
Springer
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Current search engines can hardly cope adequately with fuzzy predicates defined by complex preferences. The biggest problem of search engines implemented with standard SQL is that...
ISMIS
1999
Springer
13 years 12 months ago
1999
Springer
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
VLDB
2002
ACM
14 years 7 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...