Results 211 to 220 of about 23,642 (248)

A Semantic Knowledge Graph of European Mountain Value Chains. [PDF]

open access: yesSci Data
Bartalesi V   +6 more
europepmc   +1 more source

An unsupervised instance matcher for schema-free RDF data

open access: greenJournal of Web Semantics, 2015
This article presents an unsupervised system that performs instance matching between entities in schema-free Resource Description Framework (RDF) files. Rather than relying on domain expertise or manually labeled samples, the system automatically generates its own heuristic training set.
Mayank Kejriwal, Daniel P. Miranker
  +4 more sources

Capturing Relational Schemas and Functional Dependencies in RDFS

open access: diamondProceedings of the AAAI Conference on Artificial Intelligence, 2014
Mapping relational data to RDF is an important task for the development of the Semantic Web. To this end, the W3C has recently released a Recommendation for the so-called direct mapping of relational data to RDF. In this work, we propose an enrichment of the direct mapping to make it more faithful by transferring also semantic ...
Diego Calvanese   +4 more
openaire   +3 more sources

Inference-based schema discovery for RDF data

open access: hybridData & Knowledge Engineering
Redouane Bouhamoum   +2 more
openaire   +2 more sources
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The index organizations for RDF and RDF schema

2006 8th International Conference Advanced Communication Technology, 2006
In semantic Web, metadata and ontology for representing semantics and conceptual relationships of information resources are essential factors. RDF and RDF schema are the W3C standard models for describing metadata and ontology. Therefore, storing and querying RDF and RDF schema is one of major tasks in applications on the semantic Web.
null YounHee Kim   +2 more
openaire   +1 more source

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