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Validating a Process-Driven Method for Information System Engineering - Supporting Performance Indicator Measurement in a Clinical Pathway

Vonk, M. R. P. (2016) Validating a Process-Driven Method for Information System Engineering - Supporting Performance Indicator Measurement in a Clinical Pathway. Master's Thesis / Essay, Industrial Engineering and Management.

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This research includes an application and validation of a process-driven information system engineering method (ISEM) in a clinical context. The ISEM contributed to significant improvement in measurement of cycle time performance indicators at the Radiology department, as part of a Head and Neck Oncology pathway of a Large Teaching Hospital in the Netherlands. The overall ISEM covers three interdependent phases. First, the information system (IS) engineer forms a mapping of the clinical “business” processes using Business Process Model and Notation (BPMN). Second, the engineer maps the BPMN models to a corresponding data model using Object Role Modelling (ORM). Finally, the engineer constructs the IS after semi-automatic conversion of the information system blueprint (ISB) that resulted from the ORM schema to a database. This approach was also tested to incorporate Detailed Clinical Models (DCMs) for standardising clinical information. Some significant benefits emerge from this approach. First, the ISEM cultivates a corporate database blueprint that is explicitly linked to some business processes. An explicit relationship between business processes and data helps to obtain a minimum data model specification to fully support existing business processes. In accordance, it safeguards completeness of the IS. Second, the ISEM is adaptable and effectively copes with changing contexts and external demands during the process of design. Adaptable software engineering methods are crucial in contemporary practice, where agile approaches become the norm, because software requirements change constantly due to increasingly complex systems and environmental instability. Over the design iterations, the BPMN models were easily understood by IT professionals and non-technical stakeholders. BPMN’s formalised execution semantics allowed automatic transformation of the validated process models to a database blueprint via ORM. The DCMs were readily integrated into the ORM models. Any cycle time performance indicator rendered as eMeasure can be derived from the delta between two consecutive task’s timestamps.

Item Type: Thesis (Master's Thesis / Essay)
Degree programme: Industrial Engineering and Management
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 15 Feb 2018 08:24
Last Modified: 15 Feb 2018 08:24

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