Sciweavers

3244 search results - page 477 / 649
» Extensions to Description Logics
Sort
View
WWW
2009
ACM
16 years 7 months ago
SOFIE: a self-organizing framework for information extraction
This paper presents SOFIE, a system for automated ontology extension. SOFIE can parse natural language documents, extract ontological facts from them and link the facts into an on...
Fabian M. Suchanek, Mauro Sozio, Gerhard Weikum
ICFP
2009
ACM
16 years 7 months ago
Complete and decidable type inference for GADTs
GADTs have proven to be an invaluable language extension, a.o. for ensuring data invariants and program correctness. Unfortunately, they pose a tough problem for type inference: w...
Tom Schrijvers, Simon L. Peyton Jones, Martin Sulz...
ICLP
2009
Springer
16 years 7 months ago
Answer Set Programming with Constraints Using Lazy Grounding
The paper describes a novel methodology to compute stable models in Answer Set Programming. The proposed approach relies on a bottom-up computation that does not require a prelimin...
Agostino Dovier, Alessandro Dal Palù, Enric...
EACL
2009
ACL Anthology
16 years 7 months ago
Evaluating the Inferential Utility of Lexical-Semantic Resources
Lexical-semantic resources are used extensively for applied semantic inference, yet a clear quantitative picture of their current utility and limitations is largely missing. We pr...
Shachar Mirkin, Ido Dagan, Eyal Shnarch
SIGMOD
2008
ACM
143views Database» more  SIGMOD 2008»
16 years 6 months ago
XML query optimization in the presence of side effects
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...
Giorgio Ghelli, Nicola Onose, Kristoffer Hø...