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Babelsberg
  • Language: en
  • Pages: 64

Babelsberg

Constraints allow developers to specify desired properties of systems in a number of domains, and have those properties be maintained automatically. This results in compact, declarative code, avoiding scattered code to check and imperatively re-satisfy invariants. Despite these advantages, constraint programming is not yet widespread, with standard imperative programming still the norm. There is a long history of research on integrating constraint programming with the imperative paradigm. However, this integration typically does not unify the constructs for encapsulation and abstraction from both paradigms. This impedes re-use of modules, as client code written in one paradigm can only use m...

Modeling and Verifying Dynamic Evolving Service-Oriented Architectures
  • Language: en
  • Pages: 106
Batch regions
  • Language: en
  • Pages: 28

Batch regions

Business process automation improves organizations’ efficiency to perform work. In existing business process management systems, process instances run independently from each other. However, synchronizing instances carrying similar characteristics, i.e., sharing the same data, can reduce process execution costs. For example, if an online retailer receives two orders from one customer, there is a chance that they can be packed and shipped together to save shipment costs. In this paper, we use concepts from the database domain and introduce data views to business processes to identify instances which can be synchronized. Based on data views, we introduce the concept of batch regions for a context-aware instance synchronization over a set of connected activities. We also evaluate the concepts introduced in this paper with a case study comparing costs for normal and batch processing.

openHPI
  • Language: en
  • Pages: 32

openHPI

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Business process architectures with multiplicities
  • Language: en
  • Pages: 30
Promoting Productive Cooperation Between Space Lawyers and Engineers
  • Language: en
  • Pages: 360

Promoting Productive Cooperation Between Space Lawyers and Engineers

  • Categories: Law
  • Type: Book
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  • Published: 2019-03-29
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  • Publisher: IGI Global

A major non-technical challenge of space activities is ensuring productive cooperation, communication, and understanding between the engineers who design the mission and the space lawyers who cover its relevant legal aspects. Though both groups usually attain some level of understanding, it is only achieved after many years of experience in the space industry and through repeated contact with topics relevant to their projects. A basic understanding of the most important legal and technical aspects acquired earlier in their careers can facilitate better cooperation and more efficient development of space projects. Promoting Productive Cooperation Between Space Lawyers and Engineers is a pivot...

Modeling and enacting complex data dependencies in business processes
  • Language: en
  • Pages: 52

Modeling and enacting complex data dependencies in business processes

Enacting business processes in process engines requires the coverage of control flow, resource assignments, and process data. While the first two aspects are well supported in current process engines, data dependencies need to be added and maintained manually by a process engineer. Thus, this task is error-prone and time-consuming. In this report, we address the problem of modeling processes with complex data dependencies, e.g., m:n relationships, and their automatic enactment from process models. First, we extend BPMN data objects with few annotations to allow data dependency handling as well as data instance differentiation. Second, we introduce a pattern-based approach to derive SQL queries from process models utilizing the above mentioned extensions. Therewith, we allow automatic enactment of data-aware BPMN process models. We implemented our approach for the Activiti process engine to show applicability.

Proceedings of the 7th Ph.D. Retreat of the HPI Research School on Service-oriented Systems Engineering
  • Language: en
  • Pages: 218

Proceedings of the 7th Ph.D. Retreat of the HPI Research School on Service-oriented Systems Engineering

Design and Implementation of service-oriented architectures imposes a huge number of research questions from the fields of software engineering, system analysis and modeling, adaptability, and application integration. Component orientation and web services are two approaches for design and realization of complex web-based system. Both approaches allow for dynamic application adaptation as well as integration of enterprise application. Commonly used technologies, such as J2EE and .NET, form de facto standards for the realization of complex distributed systems. Evolution of component systems has lead to web services and service-based architectures. This has been manifested in a multitude of in...

Enriching Raw Events to Enable Process Intelligence
  • Language: en
  • Pages: 42

Enriching Raw Events to Enable Process Intelligence

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