Sciweavers

31 search results - page 6 / 7
» Horn Knowledge Bases in Regular Description Logics with PTIM...
Sort
View
DLOG
2007
13 years 7 months ago
Partitioning ABoxes Based on Converting DL to Plain Datalog
Abstract. To make ABox reasoning scalable for large ABoxes in description logic (DL) knowledge bases, we develop a method for partitioning the ABox so that specific kinds of reaso...
Jianfeng Du, Yi-Dong Shen
DLOG
2008
13 years 7 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
KI
2004
Springer
13 years 10 months ago
Mining Hierarchical Temporal Patterns in Multivariate Time Series
Abstract. The Unification-based Temporal Grammar is a temporal extension of static unification-based grammars. It defines a hierarchical temporal rule language to express comple...
Fabian Mörchen, Alfred Ultsch
PODS
2011
ACM
201views Database» more  PODS 2011»
12 years 8 months ago
Data exchange beyond complete data
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...
Marcelo Arenas, Jorge Pérez, Juan L. Reutte...
CORR
2010
Springer
111views Education» more  CORR 2010»
13 years 2 months ago
Analysis Of Cancer Omics Data In A Semantic Web Framework
Our work concerns the elucidation of the cancer (epi)genome, transcriptome and proteome to better understand the complex interplay between a cancer cell's molecular state and ...
Matthew Holford, James P. McCusker, Kei-Hoi Cheung...