Introduction

ISO 10303 is an International Standard for the computer-interpretable representation of product information and for the exchange of product data. The objective is to provide a neutral mechanism capable of describing products throughout their life cycle. This mechanism is suitable not only for neutral file exchange, but also as a basis for implementing and sharing product databases, and as a basis for retention and archiving.

This part of ISO 10303 specifies an application module for the representation of:

• data that identify documents (Document) and versions of documents (Document_version);

• a facility to assign documents (Document_assignment) to product or activity data, or to assign sections of documents to product or activity data (Partial_document_assignment);

  NOTE    The definition of the product or activity data to which the document or document section is assigned is provided by extending the select, documented_element_select, in a further module.

• definitions of document versions in a digital (Digital_document_definition) or physical format (Physical_document_definition);
• digital files (Digital_file) stored on an electronic storage device or non-digital hardcopies (Hardcopy);
• relationships between files (File_relationship) or document definitions (Document_definition_relationship);
• assignment of properties to a particular representation of a document version or a file (Assigned_document_property).

The Document management module enables the definition a document. A document is defined as a body of information that can be packaged for delivery on a single medium. Some examples of documents are:

• drawings;
• reports;
• standards;
• databases;
• application software;
• engineering drawings;
• CAD models;
• computer file reports;
• video clips;
• tapes.

A document may be represented by a set of digital files that collectively represents a complete digital document.

Electronic document representations are sets of digital files that collectively represent the entire document.

EXAMPLE 1   A set of raster files, a set of IGES files, or a combination set of raster and IGES files that represent a complete document.

Non-electronic document representations are sets of pages, sheets, cards, or other medium, together with the message recorded on the medium that collectively represents the entire document. A document may have more than one document representation; some of these may be electronic while others are not. All document representations of a single iteration of a particular document should have consistent information content; formats (both electronic and visual) may vary, but the content should be the same. Different formats are different representations of the document.

EXAMPLE 2   Paper plots of technical drawings, Mylar traces, microfiche, or floppy disks are examples of non-digital files.

Document management provides a capability to attach, link or reference documents, with a limited set of metadata such as author, date, version title, type and encoding method; It also provides a capability to classify documents.

Document management also provides a capability to hold definitions of "documents" which can be generated directly from data held in any format. This provides ability to assemble documents from file, including pictures, images, videos and the results of queries on data held in any format. Document management enables holding information contained within intelligent documents.

The second edition incorporates modifications to the first edition listed below.

The following ARM EXPRESS interface specifications have been removed:

• USE FROM Alias_identification;
• USE FROM Contract;
• USE FROM Document_and_version_identification;
• USE FROM Document_definition;
• USE FROM External_item_identification_assignment;
• USE FROM File_identification;
• USE FROM Product_categorization;
• USE FROM Security_classification.

In addition, modifications have been made to the mapping specification, the MIM schema and the EXPRESS-G diagrams to reflect and be consistent with the modifications of the ARM.

Clause 1 defines the scope of the application module and summarizes the functionality and data covered. Clause 3 lists the words defined in this part of ISO 10303 and gives pointers to words defined elsewhere. The information requirements of the application are specified in Clause 4 using terminology appropriate to the application. A graphical representation of the information requirements, referred to as the application reference model, is given in Annex C. Resource constructs are interpreted to meet the information requirements. This interpretation produces the module interpreted model (MIM). This interpretation, given in 5.1, shows the correspondence between the information requirements and the MIM. The short listing of the MIM specifies the interface to the resources and is given in 5.2. A graphical representation of the short listing of the MIM is given in Annex D.

In ISO 10303, the same English language words can be used to refer to an object in the real world or concept, and as the name of an EXPRESS data type that represents this object or concept.

The following typographical convention is used to distinguish between these. If a word or phrase occurs in the same typeface as narrative text, the referent is the object or concept. If the word or phrase occurs in a bold typeface or as a hyperlink, the referent is the EXPRESS data type.

The name of an EXPRESS data type can be used to refer to the data type itself, or to an instance of the data type. The distinction between these uses is normally clear from the context. If there is a likelihood of ambiguity, either the phrase "entity data type" or "instance(s) of" is included in the text.

Double quotation marks " " denote quoted text. Single quotation marks ' ' denote particular text string values.

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