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In the recent past, the amount of high-dimensional data, such as feature vectors extracted from multimedia data, increased dramatically. A large variety of indexes have been proposed to store and access such data efficiently. However, due to specific requirements of a certain use case, choosing an adequate index structure is a complex and time-consuming(More)
Technological developments and changes in business process context pose new challenges for effective management of business processes. Business process mod-eling is one of the most important area in business process management. Business process modeling is used to graphically visualize the operations of a business process for a better understanding and(More)
Business process modeling is used for better understanding and communication. Mostly, business process modeling is discussed from information system development perspective. After execution of business processes, various objects become important and have to be represented in business process models. The process models conceived for information system(More)
—Background: Software product line engineering provides an effective mechanism to implement variable software. However, the usage of preprocessors, which is typical in industry, is heavily criticized, because it often leads to obfuscated code. Using background colors to support comprehensibility has shown effective, however, scalability to large software(More)
– Business process modeling is used for better understanding and communication of company's processes. Mostly, business process modeling is discussed from the information system development perspective. Execution of a business process involves various factors (costs and time) which are important and should be represented in business process models.(More)
Today, often small, heterogeneous systems have to cooperate in order to fulfill a certain task. Interoperability between these systems is needed for their collaboration. However, achieving this interoperability raises several problems. For example, embedded systems might induce a higher probability for a system failure due to constrained power supply.(More)
Service-oriented computing (SOC) increases flexibility of IT systems and helps enterprises to meet their changing needs. Different methods address changing requirements in service-oriented environment. Many solutions exist to address variability , however, each solution is tailored to a specific problem, e.g. at one specific layer in SOC. We survey(More)
Business process management and improvement are vital for enterprises in competitive environments. Understanding of a process is a prerequisite and important step for improvement. Interaction between humans, computers, and business objects provide excellent opportunities for knowledge extraction. However, the specification of a framework is required for(More)