Tag Archives: RDF

W3C’s RDB2RDF Documents have been published as Proposed Recommendations

The W3C RDB2RDF Working Group has published two Proposed Recommendations today: R2RML: RDB to RDF Mapping Language. This document describes R2RML, a language for expressing customized mappings from relational databases to RDF datasets. Such mappings provide the ability to view … Continue reading

New RDF 1.1 Concepts and Abstract Syntax Draft Published

The W3C RDF Working Group has published a Working Draft of RDF 1.1 Concepts and Abstract Syntax. This document defines the RDF data model. Notable changes since the previous working draft include the introduction of new datatypes for HTML fragments and language-tagged strings, a re-worked XML … Continue reading

New versions of documents on structured data in HTML5

The HTML5 Working Group has recently published ten documents,  updating a number of HTML5 related Working Drafts. From the Semantic Web perspective, two documents are of a particular interest: A new version of the “HTML+RDFa 1.1” specification. This version, developed … Continue reading

RDFa, Microdata, and RDF (Two Notes Published by the W3C HTML Data Task Force)

The HTML Data Task Force of the Semantic Web Interest Group has published two Notes today: The HTML Data Guide aims to help publishers and consumers of HTML data. With several syntaxes (microformats, microdata, RDFa) and vocabularies (schema.org, Dublin Core, … Continue reading

Publication of the SPARQL 1.1 2nd Last Call Working Drafts

The W3C SPARQL Working Group has published the (second) Last Call Working Drafts of the following SPARQL 1.1 documents: SPARQL 1.1 Update defines an update language for RDF graphs. SPARQL 1.1 Service Description defines a vocabulary and discovery mechanism for … Continue reading