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Fwd: API for Media Resources 1.0 is a W3C Candidate Recommendation (Call for Implementations)

From: Thierry MICHEL <tmichel@w3.org>
Date: Wed, 23 Nov 2011 08:51:38 +0100
Message-ID: <4ECCA60A.7080505@w3.org>
To: "public-media-annotation@w3.org" <public-media-annotation@w3.org>

-------- Message original --------
Sujet: API for Media Resources 1.0 is a W3C Candidate Recommendation 
(Call for Implementations)
Date de renvoi : Tue, 22 Nov 2011 20:14:19 +0000
De (renvoi) : w3c-ac-members@w3.org
Date : Tue, 22 Nov 2011 14:14:15 -0600
De : Ian Jacobs <ij@w3.org>
Pour : W3C Members <w3c-ac-forum@w3.org>

Dear Advisory Committee Representative,

I am pleased to announce that API for Media Resources 1.0 is a W3C 
Candidate Recommendation.

The approval and publication is in response to the request from the 
Media Annotations Working Group:

The Media Annotations Working Group received appropriate review from W3C 
Working Groups mentioned in the Group Charter to have dependencies:

  - Semantic Web Deployment Working Group
  - Semantic Web Coordination Group
  - Scalable Vector Graphics Working Group (SVG)
  - Web Applications (WebApps) Working Group
  - HyperText Markup Language (HTML) Working Group

see Media Annotation Working Group Charter

The disposition of Last Call comments is available:

There were no Formal Objections.

Patent disclosures relevant to this specification may be found on the 
Media Annotations Working Group's patent disclosure page in conformance 
with W3C policy. No patent disclosures have been made for any 
specification by this Working Group:

The Media Annotations Working Group will finalize a test suite during 
the implementation period.

This specification will remain a Candidate Recommendation until at least 
31 December 2011.

More information is available from the Working Group home:

This Call for Implementations follows section 7.4.3 of the W3C Process
Document: http://www.w3.org/2005/10/Process-20051014/tr.html#cfi

For Tim Berners-Lee, Director,
Philippe Le Hégaret, Interaction Domain Lead, and
Thierry Michel, Media Annotations Working Group Team Contact;
Ian Jacobs, Head of W3C Communications

Quoting from the API for Media Resources 1.0
W3C Candidate Recommendation 22 November 2011

This version:
Latest published version:
Previous version:
    Florian Stegmaier, University of Passau
    이원석(Wonsuk Lee), Samsung Electronics, Ltd.
    Chris Poppe, Ghent University
    Werner Bailer, JOANNEUM RESEARCH

This specification defines an API to access metadata information related 
to media resources on the Web. The overall purpose is to provide 
developers with a convenient access to metadata information stored in 
different metadata formats. The API provides means to access the set of 
metadata properties defined in the Ontology for Media Resources 1.0 
specification. These properties are used as a pivot vocabulary in this 
API. The core of this specification is the definition of API interfaces 
for retrieving metadata information in synchronous and asynchronous way 
as well as interfaces for structured return types along with the 
specification of the behavior of an API implementation. The API has been 
designed for both client and server side implementations.

Status of This Document [non-boilerplate]

This is the Candidate Recommendation of the API for Media Resources 1.0 

It has been produced by the Media Annotations Working Group, which is 
part of the W3C Video on the Web Activity. The Working Group expects to 
advance this specification to Recommendation Status.

Please send review comments about this Candidate Recommendation to the 
public mailing list public-media-annotation@w3.org mailing list (public 
archive). Use "[CR Comment API]" in the subject line of your email. We 
expect that sufficient feedback to determine its future will have been 
received by 31 December 2011. This specification will remain a Candidate 
Recommendation until at least 31 December 2011.

The Media Annotations Working Group will advance this specification to 
Proposed Recommendation when the following exit criteria have been met:

1. Sufficient reports of implementation experience have been gathered to 
demonstrate that the API features are implementable and are interpreted 
in a consistent manner. To do so, the Working Group will insure that all 
features in the API for Media Resources 1.0 specification have been 
implemented at least twice in an interoperable way. The following 
elements are considered features of the API and must be tested by the 
test suite:

    construction of MediaResource with one or more metadata sources and 
querying of the supported modes
    read access to the list of properties (single properties and sets of 
properties, applying filters)
    reading source metadata

The API is designed for both client- and server side implementations. 
Depending on whether the API is implemented in a user agent or plugin, 
or as a web service, different communication patterns are more 
appropriate. In the client side case, asynchronous access is typically 
preferred, while synchronous access is more appropriate for a web 
service. Thus the two version of the interface are not considered 
distinct features but different modes of access for the different use cases.

2. The implementations have been developed independently.

3. The Working Group has adopted a public test suite and has produced an 
implementation report for this API for Media Resources 1.0.

The Implementation results are publicly released and are intended solely 
to be used as proof of Media API 1.0 implementability. It is only a snap 
shot of the actual implementation behaviors at one moment of time, as 
these implementations may not be immediately available to the public. 
The interoperability data is not intended to be used for assessing or 
grading the performance of any individual implementation. Any feedback 
on implementation and use of this specification would be very welcome. 
To the extent possible, please provide a separate email message for each 
distinct comment.

For convenience, the differences between this CR version and the Second 
Last Call Working Draft are highlighted in the CR Diff file and listed 
in the change log in Annexe B.

This W3C Working Draft version of the API for Media Resources 1.0 
specification incorporates requests for changes from comments sent 
during the first and second Last Call Review, as agreed with the 
commenters (see Disposition of Last Call comments for Ontology for Media 
Resources 1.0) and changes following implementation experiences from the 
Working Group.

Publication as a Candidate Recommendation does not imply endorsement by 
the W3C Membership. This is a draft document and may be updated, 
replaced or obsoleted by other documents at any time. It is 
inappropriate to cite this document as other than work in progress.

This document was produced by a group operating under the 5 February 
2004 W3C Patent Policy. W3C maintains a public list of any patent 
disclosures made in connection with the deliverables of the group; that 
page also includes instructions for disclosing a patent. An individual 
who has actual knowledge of a patent which the individual believes 
contains Essential Claim(s) must disclose the information in accordance 
with section 6 of the W3C Patent Policy.

Ian Jacobs (ij@w3.org)    http://www.w3.org/People/Jacobs/
Tel:                                      +1 718 260 9447
Received on Wednesday, 23 November 2011 07:52:04 UTC

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