Titlebook: Journal on Data Semantics I; Stefano Spaccapietra,Sal March,Karl Aberer Book 2003 Springer-Verlag Berlin Heidelberg 2003 DOM.artificial in

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Data Quality in Web Information Systems,aspects. The present paper proposes and discusses a model and a methodological framework to support data quality in web information systems. The design and a prototype implementation of a software module to publish quality information are also described.

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OntoEdit: Multifaceted Inferencing for Ontology Engineering,s. OntoEdit is an ontology editor that has been developed keeping five main objectives in mind: 1. Ease of use. 2. Methodology-guided development of ontologies. 3. Ontology development with help of inferencing. 4. Development of ontology axioms. 5. Extensibility through plug-in structure.

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Attribute-Based Semantic Reconciliation of Multiple Data Sources,ed approaches assume instances belong to types and use schema information to reconcile types before reconciling attributes and relationships of these entity types. Attribute-based approaches use attribute names and nom-semantic information, such as ranges of attribute values, to seek similarities in

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Reasoning about Anonymous Resources and Meta Statements on the Semantic Web,n the Web. Ironically, when RDF was standardized by W3C over three years ago [24], it came without a semantics. There is now growing understanding that a Semantic Web language without a semantics is an oxymoron, and a number of efforts are directed towards giving RDF a precise semantics [17,15,11].

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IF-Map: An Ontology-Mapping Method Based on Information-Flow Theory,d industry advocating for the use of ontologies as a means for providing a shared understanding of common domains. But with the generalised use of large distributed environments such as the World Wide Web came the proliferation of many different ontologies, even for the same or similar domain, hence

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