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Re: Initial draft of XG Recommendation

From: ashok malhotra <ashok.malhotra@oracle.com>
Date: Wed, 05 Nov 2008 12:16:00 -0800
Message-ID: <4911FF00.7060302@oracle.com>
To: ashok.malhotra@oracle.com
CC: public-xg-rdb2rdf <public-xg-rdb2rdf@w3.org>

Sorry, I meant to say "Let's discuss on Friday".

All the best, Ashok


ashok malhotra wrote:
> I formatted the document we created at the f2f in W3C style.  Attached.
> Let's discuss this on Wednesday.
>
> ------------------------------------------------------------------------
>
> W3C <http://www.w3.org/>
>
>
>   Recommendation from the RDB2RDF XG
>
>
>     01 November 2008
>
> This version:
>     http://www.w3.org/XG_Recommendation/2008/RDB2RDF_XG-20081101 
> Latest version:
>     http://www.w3.org/XG_Recommendation/RDB2RDF_XG 
> Authors:
>     Ashok Malhotra (editor), Oracle
>     Members of the RDB2RDF XG, Various affiliations
>
> Copyright  2008 W3C <http://www.w3c.org>. All rights reserved. This 
> document is available under the W3C Document License 
> <http://www.w3.org/Consortium/Legal/2002/copyright-documents-20021231>. 
> See the W3C Intellectual Rights Notice and Legal Disclaimers 
> <http://www.w3.org/Consortium/Legal/2002/ipr-notice-20021231#Copyright> 
> for additional information.
> ------------------------------------------------------------------------
>
>
>     Abstract
>
> This is the final recommendation from the RDB2RDF XG. The XG 
> recommends that the W3C initiate a WG to standardize a language for 
> mapping Relational Database schemas into RDF and OWL.
>
>
>     Status of this Document
>
> /This section describes the status of this document at the time of its 
> publication. Other documents may supersede this document. A list of 
> current W3C publications can be found in the W3C technical reports 
> index <http://www.w3.org/TR/> at http://www.w3.org/TR/./
>
> This is the final recommendation from the RDB2RDF XG.
>
>
>     Table of Contents
>
> 1 Recommendation <#recommendation>
>     1.1 Liaisons <#IDABRIP>
>     1.2 Starting Points <#IDAHRIP>
> 2 References <#References>
>
> ------------------------------------------------------------------------
>
>
>     1 Recommendation
>
> The RDB2RDF XG recommends that the W3C initiate a WG to standardize a 
> language for mapping Relational Database schemas into RDF and OWL. 
> Such a standard will enable the vast amounts of data stored in 
> Relational databases to be published easily and conveniently on the 
> Web. It will also facilitate integrating data from separate Relational 
> databases and adding semantics to Relational data.
>
> The mapping language should be complete regarding when compared to to 
> the relational algebra. It should have a human-readable syntax as well 
> as XML and RDF representations of the syntax for purposes of discovery 
> and machine generation. The output of the mapping will be defined in 
> terms of an RDFS/OWL schema.
>
> It should be possible to subset the language for simple applications 
> such as Web 2.0. This feature of the language will be validated by 
> creating a library of mappings for widely used apps such as Drupal, 
> Wordpress, phpBB.
>
> [Michael Haussenblas will help with creating test cases].
>
> The mapping language will allow customization with regard to names and 
> data transformation. In addition, the language must be able to expose 
> vendor specific SQL features such as full-text and spatial support and 
> vendor-defined datatypes.
>
> The final language specification should include guidance with regard 
> to mapping Relational data to a subset of OWL such as OQL/QL or OWL/RL.
>
> The language must allow for a mechanism to create identifiers for 
> database entities. The generation of identifiers should be designed to 
> support the implementation of the linked data principlees 
> http://www.w3.org/DesignIssues/LinkedData.html'. Where possible, the 
> language will encourage the reuse of public identifiers for long-lived 
> entities such as persons and corporations.
>
>
>       1.1 Liaisons
>
> The WG must track the evolution of SPARQL and liaise with the DAWG WG 
> as well as the OWL WG. The WG will also keep in mind the OKKAM work on 
> identifiers.
>
>
>       1.2 Starting Points
>
> The WG will take as its starting point the mapping languages developed 
> by the D2RQ and Virtuoso efforts.
>
>
>     2 References
>
> IETF RFC 3986
>     Uniform Resource Identifiers (URI): Generic Syntax
>     <http://www.ietf.org/rfc/rfc3986.txt>, T. Berners-Lee, R.
>     Fielding, L. Masinter. Network Working Group, January 2005. (See
>     http://www.ietf.org/rfc/rfc3986.txt.)
> IETF RFC 2119
>     Key words for use in RFCs to Indicate Requirement Levels
>     <http://www.ietf.org/rfc/rfc2119.txt>, S. Bradner, Author.
>     Internet Engineering Task Force, June 1999. (See
>     http://www.ietf.org/rfc/rfc2119.txt.)
>
Received on Wednesday, 5 November 2008 20:17:15 UTC

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