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Author : Anonim
Publisher : Unknown
Page : 114 pages
File Size : 55,6 Mb
Release : 2007
Category : Electronic
ISBN : 3939469580
Author : Benjamin Hagedorn,Michael Schöbel,Matthias Uflacker,Flavius Copaciu,Nikola Milanovic
Publisher : Unknown
Page : 128 pages
File Size : 43,8 Mb
Release : 2009
Category : Electronic
ISBN : OCLC:1236167150
Author : Christoph Meinel,Hasso Plattner,Jürgen Döllner,Mathias Weske,Andreas Polze,Robert Hirschfeld,Felix Naumann,Holger Giese
Publisher : Universitätsverlag Potsdam
Page : 248 pages
File Size : 47,8 Mb
Release : 2010
Category : Computers
ISBN : 9783869560366
Keine Angaben
Author : Meinel, Christoph ,Plattner, Hasso,Döllner, Jürgen,Weske, Mathias,Polze, Andreas,Hirschfeld, Robert,Naumann, Felix,Giese, Holger
Publisher : Universitätsverlag Potsdam
Page : 291 pages
File Size : 50,9 Mb
Release : 2009
Category : Computers
ISBN : 9783940793812
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 industry standards and initiatives such as XML, WSDL UDDI, SOAP, etc. All these achievements lead to a new and promising paradigm in IT systems engineering which proposes to design complex software solutions as collaboration of contractually defined software services. Service-Oriented Systems Engineering represents a symbiosis of best practices in object-orientation, component-based development, distributed computing, and business process management. It provides integration of business and IT concerns. The annual Ph.D. Retreat of the Research School provides each member the opportunity to present his/her current state of their research and to give an outline of a prospective Ph.D. thesis. Due to the interdisciplinary structure of the Research Scholl, this technical report covers a wide range of research topics. These include but are not limited to: Self-Adaptive Service-Oriented Systems, Operating System Support for Service-Oriented Systems, Architecture and Modeling of Service-Oriented Systems, Adaptive Process Management, Services Composition and Workflow Planning, Security Engineering of Service-Based IT Systems, Quantitative Analysis and Optimization of Service-Oriented Systems, Service-Oriented Systems in 3D Computer Graphics, as well as Service-Oriented Geoinformatics.
Author : Bram Adams,Michael Haupt, Daniel Lohmann
Publisher : Universitätsverlag Potsdam
Page : 56 pages
File Size : 52,6 Mb
Release : 2010
Category : Computers
ISBN : 9783869560434
Aspect-oriented programming, component models, and design patterns are modern and actively evolving techniques for improving the modularization of complex software. In particular, these techniques hold great promise for the development of "systems infrastructure" software, e.g., application servers, middleware, virtual machines, compilers, operating systems, and other software that provides general services for higher-level applications. The developers of infrastructure software are faced with increasing demands from application programmers needing higher-level support for application development. Meeting these demands requires careful use of software modularization techniques, since infrastructural concerns are notoriously hard to modularize. Aspects, components, and patterns provide very different means to deal with infrastructure software, but despite their differences, they have much in common. For instance, component models try to free the developer from the need to deal directly with services like security or transactions. These are primary examples of crosscutting concerns, and modularizing such concerns are the main target of aspect-oriented languages. Similarly, design patterns like Visitor and Interceptor facilitate the clean modularization of otherwise tangled concerns. Building on the ACP4IS meetings at AOSD 2002-2009, this workshop aims to provide a highly interactive forum for researchers and developers to discuss the application of and relationships between aspects, components, and patterns within modern infrastructure software. The goal is to put aspects, components, and patterns into a common reference frame and to build connections between the software engineering and systems communities.
Author : Sergey Smirnov,Hajo A. Reijers,Thijs Nugteren,Mathias Weske
Publisher : Universitätsverlag Potsdam
Page : 26 pages
File Size : 43,6 Mb
Release : 2010
Category : Computers
ISBN : 9783869560540
Business process management aims at capturing, understanding, and improving work in organizations. The central artifacts are process models, which serve different purposes. Detailed process models are used to analyze concrete working procedures, while high-level models show, for instance, handovers between departments. To provide different views on process models, business process model abstraction has emerged. While several approaches have been proposed, a number of abstraction use case that are both relevant for industry and scientifically challenging are yet to be addressed. In this paper we systematically develop, classify, and consolidate different use cases for business process model abstraction. The reported work is based on a study with BPM users in the health insurance sector and validated with a BPM consultancy company and a large BPM vendor. The identified fifteen abstraction use cases reflect the industry demand. The related work on business process model abstraction is evaluated against the use cases, which leads to a research agenda.
Author : Basil Becker,Holger Giese,Stefan Neumann
Publisher : Universitätsverlag Potsdam
Page : 55 pages
File Size : 54,6 Mb
Release : 2009
Category : Electronic
ISBN : 9783940793911
Author : Jana Bauckmann,Ulf Leser,Felix Naumann
Publisher : Universitätsverlag Potsdam
Page : 46 pages
File Size : 54,5 Mb
Release : 2010
Category : Computers
ISBN : 9783869560489
Data obtained from foreign data sources often come with only superficial structural information, such as relation names and attribute names. Other types of metadata that are important for effective integration and meaningful querying of such data sets are missing. In particular, relationships among attributes, such as foreign keys, are crucial metadata for understanding the structure of an unknown database. The discovery of such relationships is difficult, because in principle for each pair of attributes in the database each pair of data values must be compared. A precondition for a foreign key is an inclusion dependency (IND) between the key and the foreign key attributes. We present with Spider an algorithm that efficiently finds all INDs in a given relational database. It leverages the sorting facilities of DBMS but performs the actual comparisons outside of the database to save computation. Spider analyzes very large databases up to an order of magnitude faster than previous approaches. We also evaluate in detail the effectiveness of several heuristics to reduce the number of necessary comparisons. Furthermore, we generalize Spider to find composite INDs covering multiple attributes, and partial INDs, which are true INDs for all but a certain number of values. This last type is particularly relevant when integrating dirty data as is often the case in the life sciences domain - our driving motivation.
Author : Dominic Wist,Mark Schaefer,Walter Vogler,Ralf Wollowski
Publisher : Universitätsverlag Potsdam
Page : 40 pages
File Size : 44,6 Mb
Release : 2010
Category : Computers
ISBN : 9783869560373
STG decomposition is a promising approach to tackle the complexity problems arising in logic synthesis of speed independent circuits, a robust asynchronous (i.e. clockless) circuit type. Unfortunately, STG decomposition can result in components that in isolation have irreducible CSC conflicts. Generalising earlier work, it is shown how to resolve such conflicts by introducing internal communication between the components via structural techniques only.
Author : Sergey Smirnov,Weidlich, Matthias,Mendling, Jan ,Weske, Mathias
Publisher : Universitätsverlag Potsdam
Page : 24 pages
File Size : 51,9 Mb
Release : 2009
Category : Computers
ISBN : 9783869560090
Business process management experiences a large uptake by the industry, and process models play an important role in the analysis and improvement of processes. While an increasing number of staff becomes involved in actual modeling practice, it is crucial to assure model quality and homogeneity along with providing suitable aids for creating models. In this paper we consider the problem of offering recommendations to the user during the act of modeling. Our key contribution is a concept for defining and identifying so-called action patterns - chunks of actions often appearing together in business processes. In particular, we specify action patterns and demonstrate how they can be identified from existing process model repositories using association rule mining techniques. Action patterns can then be used to suggest additional actions for a process model. Our approach is challenged by applying it to the collection of process models from the SAP Reference Model.
Author : Holger Giese,Stefan Hildebrandt
Publisher : Universitätsverlag Potsdam
Page : 35 pages
File Size : 44,7 Mb
Release : 2009
Category : Electronic
ISBN : 9783940793843
Author : Miroslaw Malek,Manfred Reitenspieß,Aad van Moorsel
Publisher : Springer
Page : 155 pages
File Size : 51,9 Mb
Release : 2007-06-06
Category : Computers
ISBN : 9783540727361
This book constitutes the refereed proceedings of the 4th International Service Availability Symposium, ISAS 2007, held in Durham, NH, USA in May 2007. The 12 revised full papers presented are organized in topical sections on middleware, software systems, modeling and analysis, as well as model-driven development and human engineering.
Author : Christoph Meinel,Jürgen Roland Friedrich Döllner,Mathias Weske,Andreas Polze,Robert Hirschfeld,Felix Naumann,Holger Giese,Patrick Baudisch,Tobias Friedrich,Erwin Böttinger,Christoph Lippert,Christian Dörr,Anja Lehmann,Bernhard Renard,Tilmann Rabl,Falk Uebernickel,Bert Arnrich,Katharina Hölzle
Publisher : Universitätsverlag Potsdam
Page : 160 pages
File Size : 51,9 Mb
Release : 2023-06-07
Category : Electronic
ISBN : 9783869565132
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. Service-Oriented Systems Engineering represents a symbiosis of best practices in object-orientation, component-based development, distributed computing, and business process management. It provides integration of business and IT concerns. The annual Ph.D. Retreat of the Research School provides each member the opportunity to present his/her current state of their research and to give an outline of a prospective Ph.D. thesis. Due to the interdisciplinary structure of the research school, this technical report covers a wide range of topics. These include but are not limited to: Human Computer Interaction and Computer Vision as Service; Service-oriented Geovisualization Systems; Algorithm Engineering for Service-oriented Systems; Modeling and Verification of Self-adaptive Service-oriented Systems; Tools and Methods for Software Engineering in Service-oriented Systems; Security Engineering of Service-based IT Systems; Service-oriented Information Systems; Evolutionary Transition of Enterprise Applications to Service Orientation; Operating System Abstractions for Service-oriented Computing; and Services Specification, Composition, and Enactment.
Author : Meinel, Christoph,Plattner, Hasso,Döllner, Jürgen
Publisher : Universitätsverlag Potsdam
Page : 218 pages
File Size : 50,5 Mb
Release : 2014-10-09
Category : Electronic
ISBN : 9783869562735
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 industry standards and initiatives such as XML, WSDL UDDI, SOAP, etc. All these achievements lead to a new and promising paradigm in IT systems engineering which proposes to design complex software solutions as collaboration of contractually defined software services. Service-Oriented Systems Engineering represents a symbiosis of best practices in object-orientation, component-based development, distributed computing, and business process management. It provides integration of business and IT concerns. The annual Ph.D. Retreat of the Research School provides each member the opportunity to present his/her current state of their research and to give an outline of a prospective Ph.D. thesis. Due to the interdisciplinary structure of the Research Scholl, this technical report covers a wide range of research topics. These include but are not limited to: Self-Adaptive Service-Oriented Systems, Operating System Support for Service-Oriented Systems, Architecture and Modeling of Service-Oriented Systems, Adaptive Process Management, Services Composition and Workflow Planning, Security Engineering of Service-Based IT Systems, Quantitative Analysis and Optimization of Service-Oriented Systems, Service-Oriented Systems in 3D Computer Graphics sowie Service-Oriented Geoinformatics.
Author : Meinel, Christoph,Plattner, Hasso,Döllner, Jürgen,Weske, Mathias,Polze, Andreas,Hirschfeld, Robert,Naumann, Felix,Giese, Holger,Baudisch, Patrick
Publisher : Universitätsverlag Potsdam
Page : 248 pages
File Size : 43,8 Mb
Release : 2013
Category : Electronic
ISBN : 9783869562568
