FW: LCWD: Canonical EXI

All,

In case you're interested in XML compression techniques for your TTML,
this could be interesting…

Nigel


On 21/05/2015 15:14, "Notifier" <notifier@aries.w3.org> wrote:

>Canonical EXI
>
>http://www.w3.org/TR/2015/WD-exi-c14n-20150521/

>
>Abstract
>
>Any EXI document is part of a set of EXI documents that are logically
>equivalent within an application context, but which vary in physical
>representation based on differences permitted by the [Efficient XML
>Interchange (EXI) Format 1.0 (Second Edition)]. This specification
>describes a relatively simple method for generating a physical
>representation, the canonical form, of an EXI document that accounts for
>the permissible changes. An example of the applications targeted by this
>specification is one that needs to guarantee non-repudiation using XML
>Signature yet allows certain flexibility for intermediaries to
>reconstitute the documents before they reach final destination without
>breaking the signatures. Note that two documents may have differing
>canonical forms yet still be equivalent in a given context based on more
>elaborate application-specific equivalence rules which is out of scope of
>this specification.
>
>Status of the 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 and the latest revision of this technical report
>can be found in the W3C technical reports index at http://www.w3.org/TR/.

>
>This is the Last Call Public Working Draft of the Canonical EXI
>specification. It is intended for review by W3C members and other
>interested parties. The Working Group intends to advance this
>specification to W3C Recommendation status. The steps and algorithms
>described in this document are considered stable at the time of this
>writing.
>
>Feedback is welcome on the document content as well as on any other
>relevant topic. Please send comments about this document to the
>public-exi-comments@w3.org mailing list ( Archives ). The Last Call
>review period for this document extends until 16 July 2015.
>
>This document has been produced by the Efficient XML Interchange Working
>Group as part of the W3C XML Activity. The goals of the Efficient XML
>Interchange (EXI) Format are discussed in the Efficient XML Interchange
>(EXI) Format 1.0 document. The authors of this document are the members
>of the Efficient XML Interchange Working Group.
>
>Publication as a Last Call Working Draft 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.
>
>This document is governed by the 14 October 2005 W3C Process Document.

Received on Thursday, 21 May 2015 14:18:07 UTC