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» On the Expressiveness and Complexity of ATL
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DLOG
2006
13 years 9 months ago
Data Complexity of Answering Unions of Conjunctive Queries in SHIQ
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
IJCAI
2003
13 years 9 months ago
Aggregate Functions in Disjunctive Logic Programming: Semantics, Complexity, and Implementation in DLV
Disjunctive Logic Programming (DLP) is a very expressive formalism: it allows to express every property of finite structures that is decidable in the complexity class ¡£¢¤ (...
Tina Dell'Armi, Wolfgang Faber, Giuseppe Ielpa, Ni...
ATAL
2005
Springer
14 years 2 months ago
Knowledge and social laws
In this paper we combine existing work in the area of social laws with a framework for reasoning about knowledge in multi-agent systems. The unifying framework in which this is do...
Wiebe van der Hoek, Mark Roberts, Michael Wooldrid...
EMNLP
2008
13 years 10 months ago
Regular Expression Learning for Information Extraction
Regular expressions have served as the dominant workhorse of practical information extraction for several years. However, there has been little work on reducing the manual effort ...
Yunyao Li, Rajasekar Krishnamurthy, Sriram Raghava...
DLOG
2001
13 years 9 months ago
On Expressive Number Restrictions in Description Logics
We consider expressive Description Logics (ALCN) allowing for number restrictions on complex roles built with combinations of role constructors. In particular, we are mainly inter...
Fabio Grandi