Workflow mining method based on subsequent tasks
A technology for workflow mining and subsequent tasks, applied in the direction of instruments, etc., can solve the problems of inability to deal with the structure of implicit places, such as the difficulty of mining implicit causal dependencies and the inability to mine implicit places, so as to simplify causal dependencies, The effect of expanding the excavable ability and improving the mining ability
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[0040] The present invention mainly uses a new event type and obtains all inter-task relations in the log through inter-task relation preprocessing, and adds a correction step to the task relation set on the basis of the α method. The overall process of the mining method is as follows: figure 1 shown. Its specific implementation is as follows:
[0041] 1. The main flow of the method is as follows: figure 2 shown in the upper part.
[0042] (1) Step 1, initialize the return value N of the process (the workflow model described by Petri net), according to the structure definition of Petri net, N is set by the storehouse P W , task set T W and the arc set F W constitute.
[0043] (2) Step 2, analyze the event log to calculate the task set T W (all tasks with different names contained in the log), the initial task set T of each execution track σ I and end task set T O .
[0044] (3) In the third step, call the relationPreprocess process to preprocess the task relationshi...
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