Sciweavers

1537 search results - page 84 / 308
» On sets not belonging to algebras
Sort
View
OTM
2005
Springer
15 years 5 months ago
Probabilistic Ontologies and Relational Databases
The relational algebra and calculus do not take the semantics of terms into account when answering queries. As a consequence, not all tuples that should be returned in response to ...
Octavian Udrea, Yu Deng, Edward Hung, V. S. Subrah...
TMRA
2005
Springer
15 years 5 months ago
tolog - A Topic Maps Query Language
Abstract. This paper describes a query algebra for tolog, a query language for Topic Maps inspired by Prolog and very similar to Datalog. The language is based on binding variables...
Lars Marius Garshol
ESCIENCE
2006
IEEE
15 years 3 months ago
Jylab: A System for Portable Scientific Computing over Distributed Platforms
Jylab is a portable and flexible scientific computing system favoring extensibility. It provides a user with a scripting language and a core set of libraries implementing numerica...
Giorgios Kollias, Efstratios Gallopoulos
ECAI
2000
Springer
15 years 3 months ago
Qualitative Spatial Reasoning about Line Segments
Abstract. Representing and reasoning about orientation information is an important aspect of qualitative spatial reasoning. We present a novel approach for dealing with intrinsic o...
Reinhard Moratz, Jochen Renz, Diedrich Wolter
CMG
1996
15 years 1 months ago
Discovering The Relationships Between Metrics
Consider yourself faced with learning about a new system. You have lots of measurements available, but you really don't know which measurements affect the values of others. H...
Bernard Domanski