ISO/IEC
JTC1 / SC32 / WG2-EM0112-017R1
2001-12-302001-12-29
Replaces: WG2-VIC-026R3EM0112-017
Title: Revised text for Clause 1 Scope of 11179-3
Summary of changes in this revision
1. Incorporates
comments onStart each sentence of the first paragraph on a new line.
2. Further addition to sub-clause
1.3 – Exclusions – no support for Time
3. Correct references to the
standard to follow ISO Directives.
Sub-clauses 1.1 and 1.2 outline the major topics
within the scope of this part of
ISO/IEC 11179.
Sub-clause 1.3 identifies
aspects not currently addressed.
Sub-clause 1.4 provides
examples of activities where this part of ISO/IEC 11179 may be applied.The scope of this
standard is outlined in sub-clauses 1.1 and 1.2. Sub-clause 1.3 identifies aspects currently
excluded from this Standard. Sub-clause 1.4 provides examples of
activities where the standard may be applied
The primary purpose of this Part part of ISO/IEC 11179this
International Standard is to specify the structure of a metadata
registry. A comprehensive metadata
registry management function requires a set of rules and procedures. These
rules and procedures are set out in the following Clauses and Annexes and are
complemented elsewhere in this Standard document as follows:
a)
the
definitions of metadata objects are in Clause 3.3 of this Part of the standard;
b)
the
structure of the registry in the form
of a conceptual data model is in Clause 4 of this Part of the standard;
Aspects of
the registry are expanded on in other parts of this standard, as follows:
a)
rules
and guidelines for classifying metadata are in Part 2;
b)
rules
and guidelines for the formulation of definitions are in Part 4;
c)
naming
and identifying principles for metadata are in Part 5;
d)
rules
and guidelines for registering metadata are in Part 6 of the International
Standard.
While the model diagrams
are presented in UML format, tThis
part of ISO/IEC
11179standard does not assume nor endorse
any specific system environment, database management system, database design
paradigm, system development methodology, data definition language, command
language, system interface, user interface, computing platform, or any
technology required for implementation. The part of ISO/IEC 11179standard
does not directly apply to the actual use of data in communications and
information processing systems.
This part of ISO/IEC 11179Part of
this International Standard also specifies basic attributes which
are required to describe metadata items, and which may be used in situations
where a complete metadata registry is not appropriate (e.g. in the
specification of other International Standards). These basic attributes are described in clause 5.
This Part
of this international standard does not currently support the following
requirements.
a)
Complex
data structures, encapsulation, stereotyping and inheritance;
b)
Ability to enforce
uniqueness of names within a Context;
c)
Specification of Naming
Conventions for a Context;
d)
Specification of Time in addition to Date;
e)
Prescribed conceptual domains and
value domains for the attributes in the metamodel;
f)
XML
documents;
g)
Application
Programming Interfaces (APIs) and associated bindings to access a registry.
It is
anticipated that some of these requirements will be addressed in future
editions of this part
of ISO/IEC 11179Standard, or in companion standards or
technical reports.
This part of
ISO/IEC 11179Part of this International Standard
applies to activities including:
a)
the
definition, specification and contents of metadata registries, including
interchanging or referencing among various collections of data elements;
b)
the
design and specification of application-oriented data models, databases and
message types for data interchange;
c)
the
actual use of data in communications and information processing systems;
d)
interchange
or reference among various collections of metadata.