WP031: Version, Configurations and Constraints in CEDB

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Abstract/Contents

Abstract: The architecture-engineering-construction (AEC) industry is highly fragmented, both vertically (between project phases, e,g" planning, design, and construction) and horizontally (between specialists for the various disciplines at a given project phase, e,g" design). We need software that detects, analyzes, and manages changes efficiently during concurrent distributed design processes. In the CEDB (Collaborative Environment for the Design of Buildings) project, we have developed a model of a combination of versions, configurations, and constraints, Versions are organized into hierarchies of alternatives within a single discipline (e,g" architecture, structural engineering). A configuration is a set of versions, one from each of a number of disciplines, combined with a set of cross-disciplinary constraints to check for violations. Our objective in this integrated model of versions, configurations, and constraints is to assist designers by informing them of the changes by others that affect them and their changes that affect others, in particular, the changes that result in constraint violations. To accomplish this objective, we aim to find those violations as efficiently as possible. We have substantially implemented our model using multiple ORACLE databases.

Type of resource	text
Date created	April 1994

Subject	CIFE
Subject	Center for Integrated Facility Engineering
Subject	Stanford University
Subject	Integrated Model
Subject	CEDB
Subject	Software
Genre	Technical report

Location	https://purl.stanford.edu/rk902dw4219

Use and reproduction: User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.

Preferred Citation: Howard, H. Craig and Keller, Arthur and Gupta, Ashish and Krisnamurthy, Karhtik and Law, Kincho H. and Teicholz, Paul and Tiwari, Sanjai and Ullman, Jeffrey D.. (1994). WP031: Version, Configurations and Constraints in CEDB. Stanford Digital Repository. Available at: http://purl.stanford.edu/rk902dw4219

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