5130 search results - page 326 / 1026 » Constraint Query Languages |
155
click to vote
EDBT
2002
ACM
16 years 6 months ago
2002
ACM
The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and ex...
183
click to vote
PODS
1998
ACM
15 years 11 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
175
Voted
IDEAS
1997
IEEE
15 years 11 months ago
1997
IEEE
The ROL system is a novel deductive object-oriented database system that has been implemented at the University of Regina. It provides a uniform rule-based declarative language fo...
155
click to vote
ICDT
1997
ACM
15 years 10 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
174
click to vote
ADC
2006
Springer
15 years 10 months ago
2006
Springer
XML-based databases have become a major area of in database research. Abstractly speaking they can be considered as a resurrection of complexvalue databases using constructors for...