Sciweavers

710 search results - page 46 / 142
» Relational Expressive Power of Constraint Query Languages
Sort
View
MIDDLEWARE
2007
Springer
14 years 1 months ago
Rule-based reasoning about qualitative spatiotemporal relations
This paper is about a novel rule-based approach for reasoning about qualitative spatiotemporal relations among technology-rich autonomous objects, to which we refer to as artifact...
Clemens Holzmann
ICDE
2007
IEEE
132views Database» more  ICDE 2007»
14 years 9 months ago
XPlainer: Visual Explanations of XPath Queries
The popularity of XML has motivated the development of novel XML processing tools many of which embed the XPath language for XML querying, transformation, constraint specification...
Mariano P. Consens, John W. S. Liu, Flavio Rizzolo
PODS
2006
ACM
138views Database» more  PODS 2006»
14 years 7 months ago
Efficiently ordering subgoals with access constraints
d Abstract] Guizhen Yang Artificial Intelligence Center SRI International Menlo Park, CA 94025, USA Michael Kifer Dept. of Computer Science Stony Brook University Stony Brook, NY 1...
Guizhen Yang, Michael Kifer, Vinay K. Chaudhri
CNL
2009
13 years 8 months ago
Controlled English Ontology-Based Data Access
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....
Camilo Thorne, Diego Calvanese
PODS
2009
ACM
130views Database» more  PODS 2009»
14 years 8 months ago
The finite model theory toolbox of a database theoretician
For many years, finite model theory was viewed as the backbone of database theory, and database theory in turn supplied finite model theory with key motivations and problems. By n...
Leonid Libkin