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1 Linked Data Platform Working Group

Mission: produce a W3C Recommendation for HTTP-based (RESTful) application integration patterns using read/write Linked Data. (See Charter)

1.1 Status

The LDP WG is now closed. As of 28 July 2015, the WG has finished wrapping things up by publishing the remaining specs as Working Group Notes. Having produced the LDP 1.0 Recommendation and explored the possibility of chartering a new WG (see Linked Data 2015 report and public mailing list), the WG decided to pursue discussions on LDP Next in a Community Group. If you're interested in working on LDP, please, join the LDP Next CG!

1.2 Deliverables

1.3 Other Work

Tools used by the group :

Non deliverable Documents:

Miscellaneous (old) documents:

1.4 Participation

See list of current participants, (or with contact info), early introductions, wiki user pages, nicknames.

If you want to join this group, see How to Join.

If you are officially in the group, you will automatically receive group email and your w3.org login and password will work on this wiki.

We currently use three mailing lists as follows:

Dedicated to WG discussions. Non WG members can subscribe but cannot post. See public-ldp-wg archive.
Open to all, used for public discussion. See public-ldp archive.
Open to all, used to gather comments (not discussions) from the public on published documents. See public-ldp-comments archive.

1.5 Meetings

1.5.1 Past Meetings

1.6 Timeline

  • 2012.05.09 WG officially approved/announced
  • 2012.06.18 WG first teleconf
  • Publication schedule for LDBP editor's draft and FPWD:
    • 2012.09.24: first editor's draft available for review by the working group; the working group has two weeks to raise issues.
    • 2012.10.08: deadline for reviews and raising issues as input for the editors; the editors have two weeks to annotate the draft with these issues.
    • 2012.10.22: publication of FPWD
    • 2012.11.01: F2F1 at TPAC; addressing open issues in the FPWD, working towards a more complete version
    • beginning of 2013: second public working drafts should be published
  • Publication schedule for UCR editor's draft and FPWD:
    • 2012.10.29: first editor's draft available for review by the working group
  • beyond, see: charter version.

1.7 Linked Data Platform (LDP) vs SPARQL Graph Store HTTP Protocol (GSP)

From the start GSP was identified as a specification LDP overlaps with. The Working Group therefore had a look at how GSP and the Linked Data Basic Profile submission compare and discussed what ought to be done.

The WG concluded that the two specifications aren't very different but because they have different goals they cannot be fully reconciled. As of September 2012, LDP was merely an Editor's draft while GSP was in Last Call with a WG ready to disband so, there was basically no way GSP could be modified in any significant way to align with LDP. If any alignment was possible it ought be done on the LDP side.

Based on this, the LDP WG decided on its September 17th, 2012 call that it will seek to align LDP to GSP as much as possible.

See email thread and minutes for further details.

Subsequently, on behalf of the WG, Miel Vander Sande conducted a thorough review of how the two specifications compare. The results were captured in the document: Linked Data Platform (LDP) vs SPARQL Graph Store HTTP Protocol (GSP)

1.8 W3C Working Group Resources

1.9 Patent Policy

This Working Group operates under the W3C Patent Policy (5 February 2004 Version). To promote the widest adoption of Web standards, W3C seeks to issue Recommendations that can be implemented, according to this policy, on a Royalty-Free basis.

For more information about disclosure obligations for this group, please see the W3C Patent Policy Status Page.

1.10 Staff

Email the chairs and staff contacts at team-ldp-chairs@w3.org.