13461 search results - page 2572 / 2693 » Generalization with Taxonomic Information |
VLDB
1997
ACM
14 years 2 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
FOCS
1993
IEEE
14 years 2 months ago
1993
IEEE
We consider the following scenario. A point robot is placed at some start location ¡ in a 2dimensional scene containing oriented rectangular obstacles. The robot must repeatedly ...
APN
1993
Springer
14 years 2 months ago
1993
Springer
In this paper we show how to extend Coloured Petri Nets (CP-nets), with three new modelling primitives—place capacities, test arcs and inhibitor arcs. The new modelling primitiv...
DBPL
1993
Springer
14 years 2 months ago
1993
Springer
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...
IUI
1993
ACM
14 years 2 months ago
1993
ACM
We discuss current approaches to the development of natural language dialogue systems, and claim that they do not sufficiently consider the unique qualities of man-machine intera...