Discovering workflow patterns in event-logs is important for many organizations to understand and optimize organizational processes. Although numerous algorithms have been proposed in the literature to discover patterns in sequences of symbols, most of them are inadequate to discover patterns in rich event-log data. In this paper, motivated by the analysis of patient pathways in the health doma...

Handling workflow transactional behavior remains a main problem to ensure a correct and reliable execution. It is obvious that the discovery, and the explanation of this behavior, would enable to better understand and control workflow recovery. Unfortunately, previous workflow mining works have concentrated their efforts on control flow aspects. Although powerful, these proposals are found lack...

BPEL is currently the most widespread language for composing Web services, but it lacks formal semantics. YAWL is a workflow language with a well defined formal semantics that implements the most common workflow patterns. In this paper we provide a methodology for translating BPEL processes into YAWL workflows, thus paving the way for the formal analysis, aggregation and adaptation of BPEL proc...

Contemporary workflow management systems are driven by explicit process models, i.e., a completely specified workflow design is required in order to enact a given workflow process. Creating a workflow design is a complicated time-consuming process and typically there are discrepancies between the actual workflow processes and the processes as perceived by the management. Therefore, we propose a...

WorkFlow Management Systems (WFMS) coordinate and streamline business processes. Acquiring workflow authorisations and managing workflow authorisation constraints is a challenging problem. CurrentWFMSs assume a centralised global workflow authorisation model. In this paper, we propose a distributed workflow authorisation model with no central authorisation manager for a mediator-free environmen...

Whether the economy is strong or weak, competition is fierce. The need for business change to maintain a competitive edge comes faster in this rough business environment causing the business process model to get more dynamic and complex. However, one has to manage it so the efficiency of business processes are maximised. This paper develops a modelling approach for dynamic business processes, d...

Reusable development can promote the productivity of large workflow systems development. However it has not precluded developers from designing workflow system tailoring to users’ specific needs, though workflow management coalition standardized the five kinds of abstract interfaces of workflow enactment service in workflow reference model. Specific business process characteristics are still su...

The new generation of workflow technology is predicated on a new IS application architecture in which workflow logic is managed by workflow systems while task logic is supported by application systems. In this workflowenabled environment, it is no longer adequate to think of IS development in terms of isolated applications that serve individual business functions (often referred to as islands o...

Different organizations have different backgrounds of culture and knowledge which might lead to potential conflicts in the modern interorganizational workflow. Another fact in this research area is that each organization wants to keep some parts of its local workflow secret to other organizations. Considering the above features, this thesis proposes an approach of modeling the selfcentered inte...

The increased focus of companies on improving their operational efficiency has raised a demand for advanced systems to support the continuous monitoring and analysis of business activities. These business activities are typically automated into workflow applications which are modeled, implemented and executed by workflow management systems (WFMS). The monitoring and analysis solutions aim at gi...