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A process model modification method based on step matrix and process tree

A technology of ladder matrix and process model, applied in the direction of instruments, data processing applications, resources, etc., can solve problems such as unsatisfactory correction results

Active Publication Date: 2018-12-28
SHANDONG UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem of unsatisfactory correction results obtained by existing model repair methods, the present invention provides a deviation position identification and model repair method based on step matrix and process tree

Method used

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  • A process model modification method based on step matrix and process tree
  • A process model modification method based on step matrix and process tree
  • A process model modification method based on step matrix and process tree

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Embodiment 1

[0337] Taking the gastrointestinal diagnosis and treatment process of a hospital as an example, model mining is carried out on the basis of the original event log, and the following is obtained: Image 6 The Petri net model shown. The main activities are described as follows: the patient first registers (Register), and then the patient goes to the outpatient clinic (Visit outpatient) in order, and then goes to the gastroscopy after the consultation (See the result) , leave the clinic without disease, if the patient has gastrointestinal disease, need to go to Gastroenterology for further examination. The main methods of inspection are X-ray scanning (X-ray scanning), CT scanning (CT scanning), and nuclear magnetic resonance (Nuclear magnetic resonance). After completing these examinations, the patient needs to go to the Gastrointestinal care clinic to make a treatment plan (Gastrointestinal care clinic), and then go to the Surgery clinic (Surgery clinic) to prepare for the ope...

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Abstract

The invention provides a process model modification method based on a step matrix and a process tree, belonging to the field of process model modification. A step matrix is proposed based on footprintcomparison, which can directly compare the deviation between the original process model and the event log, and store the deviation in the model deviation matrix, so that the deviation position can beaccurately located according to the model deviation matrix. For deviations occurring at the concurrency structure of Petri nets, all new activities at the specified concurrency structure are collected and added to the original model as concurrency branches for repair. The process model repaired by this method can reflect the actual business process more accurately and reduce the complexity of themodel. Through the analysis of the data of diagnosis and treatment of diseases in a hospital and the comparison with other methods, the validity and correctness of the repair method are illustrated,and the fitness and accuracy of the modified model are higher.

Description

technical field [0001] The invention relates to the field of process model correction, in particular to a process model correction method based on a ladder matrix and a process tree. Background technique [0002] In recent years enterprise information systems have become increasingly important to support business processes. The growth of real-time data has made it possible to extract information and analyze its value in enterprise information systems. Process mining refers to the method of extracting process knowledge from event logs ubiquitous in modern information systems. Process mining mainly includes three aspects: process discovery, consistency detection and process enhancement. Among them, process discovery is to automatically build a process model based on a given event log without using any prior information; consistency detection is used to verify whether the process model conforms to the real business process, and compare the known process model with the event l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q10/10
CPCG06Q10/0633G06Q10/103
Inventor 杜玉越徐玉华田银花亓亮张福新刘伟
Owner SHANDONG UNIV OF SCI & TECH
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