Titlebook: Web Reasoning and Rule Systems; Second International Diego Calvanese,Georg Lausen Conference proceedings 2008 Springer-Verlag Berlin Heidel

onychomycosis

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書目名稱Web Reasoning and Rule Systems讀者反饋




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ZEST

Simulation Subsumption or Déjà vu on the Web featuring descendant constructs, regular expressions, negative subterms (or subterm exclusions), and multiple variable occurrences. Finally, we show that subsumption between two query terms can be decided in . where . is the sum of the sizes of both query terms.

kyphoplasty

Towards Rule-Based Minimization of RDF Graphs under Constraints of constraints to ensure data consistency, i.e. if an RDF graph satisfies some constraints before minimization, these constraints must be also satisfied afterwards. The problem is decidable but already for a restricted case intractable. In addition we give a fragment of the minimization problem which can be solved in polynomial time.

conception

TOXIC

Ontology Design and Reuse with Conceptual Rolesization. We present role-based ontologies as an extension of standard ontologies and define their semantics through a reduction to standard Description Logics, such that existing reasoners can be used.

附錄

Ontology Design and Reuse with Conceptual Rolesization. We present role-based ontologies as an extension of standard ontologies and define their semantics through a reduction to standard Description Logics, such that existing reasoners can be used.

PACK

Approximate OWL-Reasoning with , KAON2 algorithms, facilitating a compilation of OWL DL TBoxes into Datalog, which is tractable in terms of data complexity. We present three different instantiations of the Screech approach, and report on experiments which show that the gain in efficiency outweighs the number of introduced mistakes in the reasoning process.

薄膜

加花粗鄙人

A TRIPLE-Oriented Approach for Integrating Higher-Order Rules and External Contexts mentioned language elements of both aspects following the expressiveness of locally stratified datalog. It introduces fixpoint semantics as well as pragmatic extensions for defining transformations between fact bases. A partial implementation is based on stratified, semi-naive evaluation, and static filtering.

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