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How Close to Reality is the „as-is” Business Process Simulation Model?

100%

Gawin B. , Marcinkowski B.

tom 48

nr 3

155-175

Background and Purpose: Business process simulation (BPS) model is based on real-life data form sources like databases, observations and interviews. It acts as “as-is” business scenario can used for reengineering. The main challenge is to gather relevant data and to develop simulation model. Research aims to elaborate BPS model and to systematically assess how close to reality it is. Design/Methodology/Approach: The research has been performed in Polish telecommunications company. Authors investigate technical process of expanding cellular network. After elaborating “as-is” model, authors use ADONIS simulation tool to run a series simulations and confront simulation results with actual historical events. After this, assessment whether computer simulation model can precisely map real-life business process - and consequently act as credible basis for process improvement - is made. Results: The simulation model has been constructed with data from the WfMS database, observations, staff knowledge and their experience. Fully equipped simulation model is found to allow reconstructing the historical execution of business activity with low margin for error. Some limitation were identified and discussed. Conclusion: BPS is not a popular approach for process reengineering and improvement yet. Data collection issues for BPS that require adopting process mining techniques and additional information sources are among the reasons for that. In our study, computer simulation outputs are compatible with historical events. Hence the model reflects the business reality and can be taken as a reference model while redesigning the process.

Building science gateways by utilizing the generic WS-PGRADE/gUSE workflow system

100%

Balasko A. , Farkas Z. , Kacsuk P.

tom Vol. 14 (2)

307--325

Enabling scientists to use remote distributed infrastructures, parametrize and execute common science-domain applications transparently is actual and a highly relevant field of distributed computing. For this purpose a general solution is the concept of Science Gateways. WS-PGRADE/gUSE system offers a transparent and web-based interface to access distributed resources (grids, clusters or clouds), extended by a powerful generic purpose workflow editor and enactment system, which can be used to compose scientific applications into data-flow based workflow structures. It’s a generic web-based portal solution to organize scientific applications in a workflow structure and execute them on remote computational resources. As the portal defines nodes as black-box applications uploaded by the users, it does not provide any application specific interface by default. In this paper we show what kind of tools, APIs and interfaces are available in WS-PGRADE/gUSE to customize it to have an application specific gateway.

System workflow jako narzędzie zarządzania przepływem dokumentów w przedsiębiorstwie

75%

Rojek M. , Dostatni E. , Rojek I.

Zarządzanie Przedsiębiorstwem

2020

tom Vol. 23, nr 3

20--28

The article describes a workflow system implementation project in a production company. A modern enterprise must operate efficiently and effectively. Efficiency defines activities aimed at obtaining the best possible results with minimum investment. The introduction of a new solution in the area of document management allowed to increase efficiency by reducing the workload on creating documents. The concept of workflow was defined and the situation in the company was described. Based on the analyzes, a new solution in the area of document management was proposed by implementing the workflow system. Maps of new document management processes were developed. The effect of introducing the workflow system is primarily the automation of creating all types of documents and full control over the flow of documents.