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» Adding Closed World Assumptions to Well Founded Semantics
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ICDT
2012
ACM
293views Database» more  ICDT 2012»
11 years 8 months ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan
ESWS
2006
Springer
13 years 9 months ago
Rules with Contextually Scoped Negation
Knowledge representation formalisms used on the Semantic Web adhere to a strict open world assumption. Therefore, nonmonotonic reasoning techniques are often viewed with scepticism...
Axel Polleres, Cristina Feier, Andreas Harth
IJCAI
2003
13 years 7 months ago
In Defense of PDDL Axioms
There is controversy as to whether explicit support for PDDL-like axioms and derived predicates is needed for planners to handle real-world domains effectively. Many researchers h...
Sylvie Thiébaux, Jörg Hoffmann, Bernha...
BMCBI
2005
93views more  BMCBI 2005»
13 years 5 months ago
Multiple sequence alignment accuracy and evolutionary distance estimation
Background: Sequence alignment is a common tool in bioinformatics and comparative genomics. It is generally assumed that multiple sequence alignment yields better results than pai...
Michael S. Rosenberg