297 search results - page 34 / 60 » On the Decidability of Consistent Query Answering |
STOC
2002
ACM
14 years 8 months ago
2002
ACM
Given a set S of n points in IRd , a (t, )-approximate Voronoi diagram (AVD) is a partition of space into constant complexity cells, where each cell c is associated with t represe...
VLDB
2002
ACM
14 years 8 months ago
2002
ACM
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
AGP
2003
IEEE
14 years 1 months ago
2003
IEEE
Disjunctive Logic Programming (DLP) under the consistent answer set semantics is an advanced formalism for knowledge representation and reasoning. It is, under widely believed assu...
DLOG
2006
13 years 10 months ago
2006
On the Semantic Web, there has been increasing demand for a ruleslike expressivity that goes beyond OWL-DL. Efforts of combining rules languages and description logics usually pro...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...