DOC. TYPE		Other document
TITLE		Project Subdivision Proposal for 19757-11, Information technology -- Document Schema Definition Languages (DSDL) -- Part 11: Schema Association
SOURCE		WG 1 Convener [Dr. Alex BROWN]
PROJECT		JTC 1.34.19757
STATUS		This document is submitted to the SC 34 Plenary Meeting, Czech Republic, 2009-03-27.
ACTION ID		FYI
DUE DATE
DISTRIBUTION		P, O and L Members of ISO/IEC JTC 1/SC 34 ; ISO/IEC JTC 1 Secretariat; ISO/IEC ITTF
ACCESS LEVEL		Open
ISSUE NO.		70
FILE	NAME SIZE (KB) PAGES	1180.htm   2

Secretariat ISO/IEC JTC 1/SC 34 - IPSJ/ITSCJ (Information Processing Society of Japan/Information Technology Standards Commission of Japan)* Room 308-3, Kikai-Shinko-Kaikan Bldg., 3-5-8, Shiba-Koen, Minato-ku, Tokyo 105-0011 Japan *Standard Organization Accredited by JISC
Telephone: +81-3-3431-2808; Facsimile: +81-3-3431-6493; E-mail: kimura@itscj.ipsj.or.jp

Project Title:

Schema Association

Project Scope:

The scope of project is to standardize processing instruction which provide hints about the location of schemas

Rationale:

In many situations it is desirable to associate a schema with a document. There are many reasons for doing this -- for example:

* when a validator needs to know the schema against it should validate XML instance

* when an XML editor needs to know which schema to offer a user with possible element/attribute completion at a caret position

In general it is often better to associate schemas indirectly with document instance using technologies like NVDL or XProc. However there are situations where such indirect mapping can't be used. For example:

* when a user wants to override a default association,

* when there are multiple profiles (subsets) of one vocabulary which share the same namespace and thus it is not possible to use NVDL to distinguish two different document types,

* when a user doesn't have access to indirect mapping table

Target dates (3.5 years):

CD 2010-04

FCD 2011-04

FDIS 2012-04

IS 2012-10