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» An Expressive Extension of TLC
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DEXA
2005
Springer
110views Database» more  DEXA 2005»
14 years 4 months ago
Intensional Encapsulations of Database Subsets via Genetic Programming
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
Aybar C. Acar, Amihai Motro
ICDT
2003
ACM
121views Database» more  ICDT 2003»
14 years 4 months ago
Deciding Termination of Query Evaluation in Transitive-Closure Logics for Constraint Databases
We study extensions of first-order logic over the reals with different types of transitive-closure operators as query languages for constraint databases that can be described by...
Floris Geerts, Bart Kuijpers
DEXAW
2009
IEEE
114views Database» more  DEXAW 2009»
14 years 2 months ago
A Meta-Framework for Generating Ontologies from Legacy Schemas
A huge amount of schemas are expressed within outdated schema languages which are restricted concerning expressiveness, extensibility, readability, and understandability. Consequen...
Manuel Wimmer
EPIA
2009
Springer
14 years 2 months ago
Topic-Related Polarity Classification of Blog Sentences
Though polarity classification has been extensively explored at various text levels and domains, there has been only comparatively little work looking into topic-related polarity c...
Michael Wiegand, Dietrich Klakow
DLOG
2006
14 years 12 days ago
Extending the SHOIQ(D) Tableaux with DL-safe Rules: First Results
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...
Vladimir Kolovski, Bijan Parsia, Evren Sirin