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Re: Revised charter

From: Rick Henderson <rickh@netscape.com>
Date: Mon, 13 Apr 1998 10:07:02 -0700
Message-ID: <35324636.4C9776EA@netscape.com>
To: Alex Hopmann <hopmann@holonet.net>
CC: www-webdav-dasl@w3.org
Alex,

Weren't we going to say something about not attempting cross-language queries
and sticking to regular internationalization?

Other than this question, the charter looks good to me.

--Rick

Alex Hopmann wrote:

> Here is a revised proposed charter for DASL, based on some feedback and some
> wordsmithing by various folks in Los Angeles. Please comment on this asap to
> the list (or privately to me), since I intend to submit this to the IESG by
> the end of next week.
>
> ---------------------------------------------------
>
> DAV Searching and Locating (DASL)
>
> Last Modified: 04-02-98
>
> Chair(s):
>
> Alex Hopmann, <alexhop@microsoft.com>
>
> Applications Area Director(s):
>
> Keith Moore, <moore@cs.utk.edu>
> Harald Alvestrand <Harald.T.Alvestrand@uninett.no>
>
> Applications Area Advisor:
>
> TBD
>
> Mailing Lists:
>
> General Discussion: www-webdav-dasl@w3.org
>
> To Subscribe: www-webdav-dasl-request@w3.org Put subscribe in body
>
> Archive: http://lists.w3.org/Archives/Public/www-webdav-dasl/
>
> Description of Working Group
>
> The goal of this working group is to define and develop an extensible DAV
> Searching and Locating protocol as an application of HTTP.  The working
> group will define protocol elements that enable server-executed queries to
> locate resources based upon their property values and text content as
> expressed by the DAV data model.
>
> Problem Definition
>
> WEBDAV and HTTP enable client-side searching by defining a simple set of
> mechanisms (the PROPFIND and GET methods) to locate those resources meeting
> client-defined criteria. These mechanisms can be inefficient, do not
> adequately deal with some simple content-based queries, and do not take
> advantage of the advanced querying and caching capabilities of modern
> storage systems.
>
> The DASL Protocol will enable a HTTP/1.1 compliant scheme for server-side
> searching to address these limitations. The working group will define the
> following for a server-side searching mechanism:
>
> - How to express the search: the syntax and semantics of a query
> - How to focus the query by identifying its scope
> - How to discover the search capability of a resource.
> - The syntax for the search results
>
> Working Group Scope
>
> A generalized search mechanism is a broad problem space. It encompasses a
> variety of object models, typing schemes, and media. By focusing on a subset
> of this space, the problem of locating resources based on property values
> and text content, the working group will leverage much of the existing work
> that has been done on querying under simple property and resource models.
>
> In-Scope items include:
> - typing
> - comparisons (>, >=, <, <=, !=, ==)
> - internationalized content
> - text content matching
> - dealing with arbitrary XML values
>
> Out-of-scope items include:
> - definitions of well-known properties
> - server-to-server communication protocols
> - cross-language comparisons
> - searching for non-text content (images, video, audio, etc.)
> - client control of server administration (e.g. indexing)
>
> Deliverables
>
> The final output of this working group is expected to be two documents:
>
> (1) A requirements document, that describes the high-level functional
> requirements for DASL, including rationale. This will be an Informational
> document.
>
> (2) A protocol specification describing the additions to HTTP (new methods,
> headers, request bodies, and response bodies) needed to implement the DASL
> requirements. This will be a Standards Track document.
>
> Goals and Milestones:
>
> Done - Draft Working Group Charter. Establish mailing list, archive, and
> homepage.
>
> Feb 98 - Produce initial Requirements document. Submit as Internet Draft.
>
> Mar 98 - Produce DASL protocol specification. Submit as Internet Draft.
>
> Mar 98 - Meet in LA IETF and hold working group meeting to develop the
> protocol specification and requirements document.
>
> Aug 98 - Meet in Chicago IETF to further develop protocol specification.
>
> Aug 98 - Complete Scenarios document.
>
> Dec 98 - Create final version of DASL requirements document.  Submit as
> Informational RFC.
>
> Mar 99 - Complete revisions to DASL protocol. Submit as a Proposed Standard
> RFC



--
*************************************************
Rick Henderson            (Netscape)(650)937-3152
rickh@netscape.com
*************************************************
Received on Monday, 13 April 1998 13:14:14 GMT

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