710 search results - page 24 / 142 » Relational Expressive Power of Constraint Query Languages |
COLING
1994
13 years 9 months ago
1994
A logic formalism is presented which increases the expressive power of the ID/LP format of GPSG by enlarging the inventory of ordering relations and extending the domain of their ...
ALT
2005
Springer
14 years 4 months ago
2005
Springer
In language learning, strong relationships between Gold-style models and query models have recently been observed: in some quite general setting Gold-style learners can be replaced...
AAAI
1994
13 years 9 months ago
1994
We propose a propositional language for temporal reasoning that is computationally effective yet expressive enough to describe information about fluents, events and temporal const...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
AGP
1999
IEEE
14 years 29 min ago
1999
IEEE
In this paper we consider the relative expressive power of two very common operators applicable to sets and multisets: the with and the union operators. For such operators we prove...