面向任務的業(yè)務流程建模與驗證方法研究
[Abstract]:The modern business process is becoming more and more complex, which puts forward higher and higher requirements for business process modeling and verification technology. Task is the basic element of business process. The task-oriented idea takes task as the core. Through the description of task, the task is decomposed and assigned efficiently and reasonably to fulfill the business requirements. In this paper, task-oriented business process modeling and verification methods are studied. The specific work is as follows: firstly, a task-oriented business process modeling method is proposed. This method is based on the idea of task-oriented and proposes the corresponding modeling method based on BPMN (Business Process Modeling Notation). In order to meet the needs of task-oriented modeling, the time and resource properties of the task are extended, and the constraint elements of the model such as time constraints are extended. The specific steps of task-oriented modeling are proposed, including decomposing task objectives into executable tasks, combining tasks into complete business flow diagrams according to the logical order of tasks and time resources. Finally, taking submarine combat as an example, the task time resource and other elements are designed, and the task-oriented submarine operational flow model is constructed. Secondly, a model consistency verification method based on model checking is proposed. Different from traditional model checking methods, this paper describes and validates the quantitative properties of business process, such as process property and time resource. According to the structure of traffic flow, the transition rules from traffic flow graph to state transition model with time and resources are designed, and the termination and reachability of traffic flow model are given based on temporal logic. Formal description of sequence and time resource constraints. Finally, the submarine combat model is verified and modified. Then, the task constraint verification and resolution method of traffic flow model based on simple time network STN is proposed. The traditional constraint verification method is mainly used in single-path verification of traffic flow graph. Aiming at branch path verification, this paper proposes a method of transforming traffic flow model to STN, and proves that the consistency of traffic flow model corresponds to the consistency of STN. In this paper, the concepts of path consistency and strong consistency of traffic flow model are proposed, the satisfying conditions of the above consistency are given and proved, and the verification and resolution algorithm of path consistency and strong consistency are designed, and its convergence properties are analyzed. At the same time, it is verified and dispelled with an example. Finally, based on task-oriented business process modeling and verification method, a business process modeling and verification platform is designed. A graphical modeling platform from task decomposition to business flow graph is constructed, and the consistency verification and resolution method of task-oriented business flow model is implemented. Based on the above-mentioned platform, the operational process model of landing island is constructed, and the model verification and resolution are carried out. The results show that the modeling verification method and platform design can meet the modeling requirements of task-oriented business process model and the verification and resolution requirements for the time, resources and path constraints of the business process.
【學位授予單位】:南京航空航天大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:TP311.52
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