710 search results - page 9 / 142 » Relational Expressive Power of Constraint Query Languages |
FOIKS
2006
Springer
13 years 11 months ago
2006
Springer
It is claimed in [45] that first-order theorem provers are not efficient for reasoning with ontologies based on description logics compared to specialised description logic reasone...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract Although e-commerce is becoming popular, product rules, which describe various conditions such as prices, applicability, and discount conditions are still expressed in nat...
KR
2004
Springer
14 years 1 months ago
2004
Springer
Several logical languages have been considered in AI for encoding compactly preference relations over a set of alternatives. In this paper, we analyze both the expressiveness and ...
ADC
2003
Springer
14 years 26 days ago
2003
Springer
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
WIDM
2006
ACM
14 years 1 months ago
2006
ACM
The preservation of digital artifacts represents an unanswered challenge for the modern information society: XML and its query languages provide an effective environment to addre...