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Toms P

Categorisation of design information in terms of design process and product specifications for a standard for computer representation of specifications

Abstract: Design information is categorized in this paper in terms of boththe design process and product specifications, as a basis for computer representation of specifications. This requires improved definition of standard specification and product structure, as well as information handling in design checks. A computer representation of specifications for interactive design use and data exchange is described using theconceptual framework outlined. It is based on symbolic graphical representation of specifications linked to screen windows containing text and computations. Some requirements of a standard for computer representation of specifications are outlined.

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Full text: content.pdf (2,608,803 bytes) (available to registered users only)

Series: w78:1992 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.man-software (0.058913) class.represent (0.022774) class.software-software (0.015013)
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Permission to reproduce these papers has been graciously provided by Research Press of the National Research Council of Canada. The support of the editor, Dr. Dana Vanier, is gratefully appreciated.


Toms P

Unifying product definition and standards represeatation with a specification-orientated organisation of design information

Abstract: This paper considers two apparently disparate problems to have the same conceptual issue at root. Firstly , the constitution of a model for building design standards and codes, from which different computer representations can be derived. Secondly, the content of a Generic Product Data Model, as a neutral representation on which to base the implementation of any data exchange technique. A specification-orientated organisation of design information is proposed as a basis for a unified approach to these models. The meaning of the concept of specification is considered in terms of representation as well. as content , and the concept of a product in relation to specification . The extent to which computer object- orientated database and programming techniques can model specification-orientated information handling in design is considered. The scope of STEP is discussed in this context . Some features of a standard for the creation and use of specifications are outlined as computer database requirements for hand1ing design information.

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Full text: content.pdf (1,873,823 bytes) (available to registered users only)

Series: w78:1993 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.software development (0.036340) class.represent (0.027809) class.synthesis (0.019619)
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Permission to reproduce these papers has been graciously provided by the National University of Singapore. The assistance of the editors, particularly Prof. Martin Betts, is gratefully appreciated.


Toms P

Specification-orientated processing: integrating and sustaining what?

Abstract: This paper argues that basic terms, including specification, product, contract and asset are inadequately defined by the International Organisation for Standardisation (ISO). Inconsistent identification and representation of decision-making information results, hindering the development of integrated computer handling of information. An improved definition of specification and contract is proposed for a specification-orientated approach to integrated information handling, using definitions of product and asset proposed previously. Inconsistent definitions found in British Standard BSO are discussed to illustrate the problem. Some requirements of a specification-orientated task controller are presented to handle specifications, as defined in the paper, in an integrated and sustainable manner. Limitations met when trying to handle a proliferation of standards are considered. The different requirements of adding-value in production, sustainable production and the regulation of productive activity are outlined. The paper concludes that a review of basic terms should provide a formal definition of the category of information used for decision-making. The term specification is considered to be appropriate.

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Full text: content.pdf (58,967 bytes) (available to registered users only)

Series: w78:1996 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.legal (0.028480) class.software development (0.015344) class.impact (0.012735)
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Permission to reproduce these papers has been graciously provided by the University of Ljubljana. The assistance of the editor, Prof. Ziga Turk, is gratefully appreciated.


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