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Paper itaec-2004-22:
A Knowledge Based System for Valuing Variations in Civil Engineering Works: a User Centred Approach

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Sutrisna M, Proverbs D, Potts K, Buckley K

A Knowledge Based System for Valuing Variations in Civil Engineering Works: a User Centred Approach

Abstract:There has been much evidence that valuing variations in construction projects can lead to conflicts and disputes leading to loss of time, efficiency, and productivity. One of the reasons for these conflicts and disputes concerns the subjectivity of the project stakeholders involved in the process. One way to minimise this is to capture and collate the knowledge and perceptions of the different parties involved in order to develop a robust mechanism for valuing variations. Focusing on the development of such a mechanism, the development of a Knowledge Based System (KBS) for valuing variations in civil engineering work is described. Evaluation of the KBS involved demonstration to practitioners in the construction industry to support the contents of the knowledge base and perceived usability and acceptance of the system. Results support the novelty, contents, usability, and acceptance of the system, and also identify further potential developments of the KBS.

Keywords:civil engineering, knowledge based system, user interface, valuation of variations

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