443 search results - page 60 / 89 » Relational Approach to Logical Query Optimization of XPath |
ISNN
2010
Springer
14 years 10 days ago
2010
Springer
Preference elicitation (PE) is an important component of interactive decision support systems that aim to make optimal recommendations to users by actively querying their preferen...
TPDS
2008
13 years 7 months ago
2008
The efficiency of Peer-to-Peer (P2P) systems is largely dependent on the overlay constructions. Due to the random selection of logical neighbors, there often exists serious topolog...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Abstract. We present a categorical denotational semantics for a database mapping, based on views, in the most general framework of a database integration/exchange. Developed databa...
COMPGEOM
2006
ACM
14 years 1 months ago
2006
ACM
This paper examines the computation of the Voronoi diagram of a set of ellipses in the Euclidean plane. We propose the first complete algorithms, under the exact computation para...
LPNMR
2005
Springer
14 years 1 months ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...