W3C

Site Navigation

Tag Archives: SPARQL

W3C Workshop Report: RDF Validation: Practical Assurances for Quality RDF Data

by | Posted in: Data, ,

W3C today published the final report of the Workshop on RDF Validation: Practical Assurances for Quality RDF Data that was held 10-11 September 2013 in Cambridge. The goal of the Workshop was to identify use cases, requirements, and candidate technologies to address the need for interface definition and validation for RDF documents and messages. The […]
More…

Three More SPARQL1.1 Documents Translated to Japanese

by | Posted in: Data, ,

上綱 秀治 (Shuji Kamitsuna) published a Japanese translation of the W3C document “SPARQL 1.1 Service Description” under the title “SPARQL 1.1サービス記述”, of the “SPARQL Query Results XML Format (2nd Edition)” under the title “SPARQLクエリ結果XMLフォーマット（第2版）”, and of the “SPARQL 1.1 Federated Query” under the title “SPARQL 1.1統合クエリ”.
More…

Eleven SPARQL 1.1 Specifications are W3C Recommendations

by | Posted in: Data, ,

The SPARQL Working Group has completed development of its full-featured system for querying and managing data using the flexible RDF data model. It has now published eleven Recommendations for SPARQL 1.1, detailed in SPARQL 1.1 Overview. SPARQL 1.1 extends the 2008 Recommendation for SPARQL 1.0 by adding features to the query language such as aggregates, subqueries, negation, property paths, and an expanded set of functions […]
More…

Last SPARQL 1.1. Proposed Recommendations Published

by | Posted in: Data,

The W3C SPARQL Working Group has published today a set of three documents, advancing most of SPARQL 1.1 to Proposed Recommendation. This publication completes the set of Proposed Recommendations for SPARQL 1.1, after the first series published in November 2012. Building on the success of SPARQL 1.0, SPARQL 1.1 is a full-featured standard system for working with […]
More…

Eleven SPARQL 1.1 Specifications Published

by | Posted in: Data, , , ,

The W3C SPARQL Working Group has published today a set of eleven documents, advancing most of SPARQL 1.1 to Proposed Recommendation. Building on the success of SPARQL 1.0, SPARQL 1.1 is a full-featured standard system for working with RDF data, including a query/update language, two HTTP protocols (one full-featured, one using basic HTTP verbs), three result […]
More…

W3C’s RDB2RDF Documents have been published as Proposed Recommendations

by | Posted in: Data, , , , ,

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 existing relational data in the RDF data model, expressed in a structure and target vocabulary […]
More…

Three SPARQL 1.1 Last Call Drafts Published

by | Posted in: Data,

The SPARQL Working Group published three Last Call Working Drafts: SPARQL 1.1 Overview, which provides an introduction to a set of W3C specifications that facilitate querying and manipulating RDF graph content on the Web or in an RDF store. SPARQL 1.1 Graph Store HTTP Protocol, whichd escribes the use of HTTP operations for the purpose […]
More…