Journal
INTERNATIONAL JOURNAL OF PROJECT MANAGEMENT
Volume 30, Issue 4, Pages 503-510Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijproman.2011.11.003
Keywords
Project scheduling; DSM; Fuzzy set theory; Project management
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As an alternative solution, the Dependency Structure Matrix (DSM) is a useful tool in project scheduling when approaching information dependency issues between activities. However, the current DSM approach faces the dilemma that the overlap of activities cannot be precisely estimated in the planning stage of a project, and the solution calls for a robust methodology for managing schedules within uncertain conditions of information dependency. The aim of our research is to propose an approach that utilizes fuzzy set theory to solve the problem within an uncertain environment. As an extension of traditional DSM-based scheduling, we describe the overlap and duration of activities as fuzzy numbers and put forth a systematic algorithm to calculate the time variables of activities and project duration thereof An example is also provided to demonstrate the effectiveness of the algorithm. (C) 2011 Elsevier Ltd. APM and IPMA. All rights reserved.
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