由於風險管理為專案執行過程中相當重要的一環，其目的在於降低負面的風險、成本、影響等問題。而風險所引發的問題若處理得當，除可降低程序中的傷害，亦可儲存為一流程知識並於日後妥善運用。然而，風險管理程序中所涵蓋之流程知識是相當繁複的，如何有效率的辨識、評估及回應風險，為本研究之核心所在。
本研究欲發展一個「流程導向本體論」，結合EPC、本體論以及敘述邏輯的詮釋，用以表達風險管理中的流程知識，並於Protege建置目標本體，而為使風險管理的流程知識充分且完善的表達，本研究基於SWRL的Rule-Based Reasoning，以彌補知識本體論無法有效表達規則化的知識內容，透過SWRL的規則描述，可使領域本體能具語意，並藉此推導出模型中的流程知識，以達到知識的分享與再利用的功能。
另一方面，由於專案活動性質的差異亦會影響風險項目知識的評估數值，因此，本研究基於流程導向本體論支援風險管理程序，設計一系統介面以讀取本體知識庫中的領域知識與規則，用以提供使用者進行數值選填與計算，並顯示出知識庫中符合規定的風險項目。

Risk Management (RM) is one of the most important processes in the project, which reduces the impacts of the negative risks, costs, influences and other problems. However, RM is a complicated knowledge that problem is how to identify, assess, and response the risks effectively. The research proposes a process-oriented ontology to solve those issues.
This study develops a “Process-Oriented Ontology”, composed by EPC (Event-driven process chain), ontology and description logic (DL) to define and express process knowledge. Furthermore, the domain Ontology implements by Protege. For achieving the main purpose of RM, we apply Semantic Web Rule Language (SWRL) to build rule-based reasoning to rectify the shortcoming of ontology in describing rules. In order to achieve knowledge sharing and reusing on domain Ontology, it derives from the process knowledge with SWRL.
In addition, every project has different risk weights of the assessment by its exclusive character. Therefore, we design a user interface on risk management system for reading the domain ontology and rule base that provides the optimal numerical calculation and the required process knowledge of risk management.

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