近來，營建產業已逐漸利用以網路為基礎的專案管理系統(WBPMS)進行資訊交換，但並非所有專案都能適用。本研究藉由五個步驟，以探討WBPMS運作成功的關鍵因素。首先，以一個應用WBPMS的實際案例，歸納其失敗的主因。其次，藉由文獻回顧，瞭解其他可能會影響WBPMS運作成功的關鍵因素。再其次，綜合案例分析的結果與過去文獻，建構一個WBPMS的運作模型。接著，擬定一份問卷，針對相關專家進行問卷調查。最後，再利用數種統計方法分析問卷結果，以瞭解各因素間之關係。結果顯示，系統開發與設計、專案組織結構、資訊品質、資訊交換效率、使用動機為影響WBPMS運作成敗的五個關鍵因素，而這些因素大多已超越其他既有文獻所發現的結果。

The web-based construction project management systems (WBPMS) have been widely used for information exchange in the Architectural, Engineering, and Construction industry recently. This paper explores key successful factors of WBPMS through five steps. First, a case study is analyzed to discuss its failure and potential factors during the project duration. Second, some other key factors affecting the application of WBPMS are also discussed by using literature reviews. In addition, a manipulation model of WBPMS and its relevant questionnaire are established based on the case study and literature reviews. Furthermore, some statistical methods are applied to analyze the questionnaire to test the model. The result reveals that there are five key successful factors that might affect the operation of WBPMS: the ability of system development and design, the structure of project organization, information quality, the efficiency of information exchange, as well as the incentive for users. These findings are supposed to be better and more plentiful than those of past studies.

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