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Multi-channel provisioning of public services - Department of ...

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Business modelling and process support<br />

2004). Alternatives to the activity centred classification includes process centred, where<br />

the processes present the state changes <strong>of</strong> the process object; and resource centred<br />

where the process is represented as a network <strong>of</strong> processing stations that interact with<br />

each other (zur Muehlen and Indulska, 2010). Examples <strong>of</strong> process languages include<br />

ADEPT flex , BPMN, and EPC (graph-based); and YAWL, Petri-nets, and flow nets (netbased)<br />

(zur Muehlen and Indulska, 2010).<br />

3.2 Service and process-oriented operations support<br />

The previous section established an understanding <strong>of</strong> the use <strong>of</strong> conceptual models both<br />

as a representation <strong>of</strong> different aspects <strong>of</strong> work and in the possible automation <strong>of</strong> work<br />

activities. This section considers the historical element <strong>of</strong> workflow systems and up to<br />

current approaches to PAIS.<br />

Workflow and workflow management systems are a terms mainly belonging to the<br />

1990s, which later have evolved into the BPM domain. The WfMC defined workflow<br />

as:<br />

The automation <strong>of</strong> a business process, in whole or part during which documents,<br />

information or tasks are passed from one participant to another for actions,<br />

according to a set <strong>of</strong> procedural rules.<br />

Lawrence (1997)<br />

A workflow management system (WFMS) is defined as:<br />

A system that defines, creates and manages the execution <strong>of</strong> workflows through<br />

the use <strong>of</strong> s<strong>of</strong>tware, running on one or more workflow engines, which is able to<br />

interpret the process definition, interact with workflow participants and, where<br />

required, invoke the use <strong>of</strong> IT tools and applications.<br />

Lawrence (1997)<br />

Figure 7 shows relationship among important concepts defined by the WfMC. It shows<br />

that the workflow management system is case-driven, handling separate process<br />

instances based on a process definition comprised by manual and automatic activities,<br />

which have equivalent activity instances within the process instance. Manual activities<br />

are performed by human actors, while automatic activities are executed through<br />

invoking s<strong>of</strong>tware compoments within the information infrastructure.<br />

In extending the workflow concept towards BPM and current approaches, the weakness<br />

<strong>of</strong> the WFMS approach is a missing support for overall business process control and<br />

monitoring. As long as this support is not provided, the automation <strong>of</strong> specific functions<br />

<strong>of</strong> enterprises will not provide productivity gains (Lu and Sadiq, 2007). BPM attempts<br />

to address this, and provides a structured, coherent, and consistent way <strong>of</strong><br />

understanding, documenting, modelling, analysing, simulating, executing, and<br />

continuously changing end-to-end business processes and all resources involved in light<br />

<strong>of</strong> their contribution to business performance (Recker et al., 2006). BPM can be defined<br />

as …<br />

29

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