Titlebook: Web Reasoning and Rule Systems; 5th International Co Sebastian Rudolph,Claudio Gutierrez Conference proceedings 2011 Springer-Verlag GmbH B

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Ontological Query Answering with Existential Rules,idable classes of rules, including a review of the main complexity results. It mostly relies on previous work presented at IJCAI’2009 [BLMS09] and KR’2010 [BLM10] (and developed in a journal paper [BLMS11]), updated to include very recent results.

MAL

Little Knowledge Rules the Web: Domain-Centric Result Page Extraction,n logical rules to allow an explicit formulation of the heuristics and easy adaptation to different domains..We apply . to the UK real estate domain where we achieve near perfect accuracy on a representative sample of 50 agency websites.

Obstreperous

Little Knowledge Rules the Web: Domain-Centric Result Page Extraction,n logical rules to allow an explicit formulation of the heuristics and easy adaptation to different domains..We apply . to the UK real estate domain where we achieve near perfect accuracy on a representative sample of 50 agency websites.

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Paraconsistent Semantics for Hybrid MKNF Knowledge Bases,ransformation operator, which indicates that the data complexity in our paradigm is not higher than that of classical reasoning. Moreover, we provide a fixpoint algorithm for computing paraconsistent MKNF models.

CLASH

Paraconsistent Semantics for Hybrid MKNF Knowledge Bases,ransformation operator, which indicates that the data complexity in our paradigm is not higher than that of classical reasoning. Moreover, we provide a fixpoint algorithm for computing paraconsistent MKNF models.

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Polynomial Conjunctive Query Rewriting under Unary Inclusion Dependencies,rd relational database engines. In this paper, we present a polynomial query rewriting for conjunctive queries under unary inclusion dependencies. On the other hand, we show that binary inclusion dependencies do not admit polynomial query rewriting algorithms.

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Polynomial Conjunctive Query Rewriting under Unary Inclusion Dependencies,rd relational database engines. In this paper, we present a polynomial query rewriting for conjunctive queries under unary inclusion dependencies. On the other hand, we show that binary inclusion dependencies do not admit polynomial query rewriting algorithms.

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溃烂

Towards Farsighted Dependencies for Existential Rules,the way rules may interact to ensure that the forward chaining mechanism is finite. After a review of existing proposals, we propose a generalization of the notion of rule dependency, namely .-dependency, that allows to enlarge halting cases. It can also be used to compile the rule base, which leads to improve query answering algorithms.