403 search results - page 33 / 81 » Constraint Databases and Geographic Information Systems |
110
click to vote
ICDCS
2009
IEEE
14 years 9 months ago
2009
IEEE
The balance between privacy and utility is a classical problem with an increasing impact on the design of modern information systems. On the one side it is crucial to ensure that ...
WWW
2001
ACM
16 years 13 days ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
103
click to vote
SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
119
click to vote
IJCSA
2008
14 years 11 months ago
2008
It is well known that transactional and analytical systems each require different database architecture. In general, the database structure of transactional systems is optimized f...
109
click to vote
CAI
2000
Springer
14 years 11 months ago
2000
Springer
Abstract. This paper discusses schema evolution in software engineering databases. After a study of existing approaches, we show that these approaches do not satisfy software engin...