157 search results - page 31 / 32 » A Conjunctive Query Language for Description Logic Aboxes |
RR
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. The Semantic Web is commonly perceived as a web of partially interlinked machine readable data. This data is inherently distributed and resembles the structure of the web...
ESWS
2008
Springer
14 years 12 months ago
2008
Springer
We present SHIRI-Annot an automatic ontology-driven and unsupervised approach for the semantic annotation of documents which contain well structured parts and not well structured o...
114
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PODS
2011
ACM
14 years 1 months ago
2011
ACM
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...
100
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AAAI
2006
14 years 11 months ago
2006
In this paper, we discuss how our work on evaluating Semantic Web knowledge base systems (KBSs) contributes to address some broader AI problems. First, we show how our approach pr...
97
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DEXA
2009
Springer
15 years 4 months ago
2009
Springer
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...