We present first results on the relationship between ontology-based data access using description logics and constraint satisfaction problems
One of the most prominent applications of description logic ontologies is their use for accessing da...
Ontologies provide a conceptualization of a domain of interest. Nowadays, they are typically represe...
AbstractOntology reasoning finds a relevant application in the so-called ontology-based data access,...
Ontology-based data access is concerned with querying incomplete data sources in the presence of dom...
Ontology-based data access is concerned with querying incomplete data sources in the presence of dom...
International audienceOntology-based data access is concerned with querying incomplete data sources ...
Ontology-based data access is concerned with querying incom-plete data sources in the presence of do...
We analyze the data complexity of ontology-mediated querying where theontologies are formulated in a...
Answering queries over an incomplete database w.r.t. a set of constraints is an important computatio...
We study ontology-mediated querying in the case where ontologies are formulated in the guarded fragm...
AbstractAnswering queries over an incomplete database w.r.t. a set of constraints is an important co...
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL an...
We consider the problems of conjunctive query answering and rewriting for information integration sy...
Abstract. We consider the problems of conjunctive query answering and rewriting for information inte...
Ontology-based data access (OBDA) generalizes query answering in databases towards deduction since (...
One of the most prominent applications of description logic ontologies is their use for accessing da...
Ontologies provide a conceptualization of a domain of interest. Nowadays, they are typically represe...
AbstractOntology reasoning finds a relevant application in the so-called ontology-based data access,...
Ontology-based data access is concerned with querying incomplete data sources in the presence of dom...
Ontology-based data access is concerned with querying incomplete data sources in the presence of dom...
International audienceOntology-based data access is concerned with querying incomplete data sources ...
Ontology-based data access is concerned with querying incom-plete data sources in the presence of do...
We analyze the data complexity of ontology-mediated querying where theontologies are formulated in a...
Answering queries over an incomplete database w.r.t. a set of constraints is an important computatio...
We study ontology-mediated querying in the case where ontologies are formulated in the guarded fragm...
AbstractAnswering queries over an incomplete database w.r.t. a set of constraints is an important co...
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL an...
We consider the problems of conjunctive query answering and rewriting for information integration sy...
Abstract. We consider the problems of conjunctive query answering and rewriting for information inte...
Ontology-based data access (OBDA) generalizes query answering in databases towards deduction since (...
One of the most prominent applications of description logic ontologies is their use for accessing da...
Ontologies provide a conceptualization of a domain of interest. Nowadays, they are typically represe...
AbstractOntology reasoning finds a relevant application in the so-called ontology-based data access,...
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