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12th European Conference on Software Maintenance and Reengineering

作者： Chouambe, Landry Klatt, Benjamin Krogmann, Klaus Professional Services Organisation Netviewer AG Germany Institute for Program Structures and Data Organisation Universität Karlsruhe (TH) Germany

ISBN: (纸本)9781424421572

An increasing number of software systems is developed using component technologies such as COM, CORBA, or EJB. Still, there is a lack of support to reverse engineer such systems. Existing approaches claim reverse engineering of components, but do not support composite components. Also, external dependencies such as required interfaces are not made explicit. Furthermore, relaxed component definitions are used, and obtained components are thus indistinguishable from modules or classes. We present an iterative reverse engineering approach that follows the widely used definition of components by Szyperski. It enables third-party reuse of components by explicitly stating their interfaces and supports composition of components. Additionally, components that are reverse engineered with the approach allow reasoning on properties of software architectures at the model level. For the approach, source code metrics are combined to recognize components. We discuss the selection of source code metrics and their interdependencies, which were explicitly taken into account. An implementation of the approach was successfully validated within four case studies. Additionally, a fifth case study shows the scalability of the approach for an industrial-size system.

关键词： reverse engineering components modeling software performance

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Reverse Engineering Software-Models of Component-Based Systems

Reverse Engineering Software-Models of Component-Based Syste...

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(CSMR) European Conference on Software Maintenance and Reengineering

作者： Landry Chouambe Benjamin Klatt Klaus Krogmann Germany Institute for Program Structures and Data Organisation Universitat Karlsruhe Germany

关键词： Reverse engineering Software architecture Software systems Iterative methods Computer architecture Context Software prototyping Lab-on-a-chip Software quality Independent component analysis

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Service rings - a semantic overlay for service discovery in ad hoc networks

Service rings - a semantic overlay for service discovery in ...

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International Workshop on database and Expert Systems Applications

作者： M. Klein B. Konig-Ries P. Obreiter Institute for Program Structures and Data Organisation Universität Karlsruhe Karlsruhe Germany

Mobile devices are able to spontaneously form highly dynamic ad hoc networks allowing for communication even when no infrastructure exists. Ideally, these networks enable the participating devices to share resources and services, thus overcoming the often severe limitations of the individual devices' capabilities. In order to make this possible, powerful semantic service trading is needed. In this paper, we propose a semantic overlay of hierarchical service rings to achieve this goal. In contrast to existing approaches this method is adapted to the specific characteristics of ad hoc networks.

关键词： Intelligent networks Ad hoc networks Protocols Mobile ad hoc networks databases IP networks Web and internet services Peer to peer computing Routing Mobile communication

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Combining query and preference - an approach to fully automatize dynamic service binding

Combining query and preference - an approach to fully automa...

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IEEE International Conference on Web Services (ICWS)

作者： M. Klein B. Konig-Ries Institute for Program Structures and Data Organisation Universität Karlsruhe Karlsruhe Germany

Web services will only have advantages over existing technologies if the service binding can be performed dynamically. However, existing service description languages do not contain enough information for a computer agent to do the selection automatically during runtime on behalf of the user. This results from the fact that in most approaches the offer description language doubles as a re-guest language, which prevents the requestor from a precise formulation of requests and preferences. Therefore, in this paper, we emphasize the need for a distinguished service request language that allows to capture all of the requestor's preferences. We present a concrete technique to represent such preference-containing requests, which is based on fuzzy object sets.

关键词： Web services Concrete Runtime Fuzzy sets Companies Computer networks Robustness Service oriented architecture Humans Printing

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Building conference proceedings requires adaptable workflow and content management 06

Building conference proceedings requires adaptable workflow ...

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Proceedings of the 32nd international conference on Very large data bases

作者： Jutta A. Mülle Klemens Böhm Nicolas Röper Tobias Sünder Institute for Program Structures and Data Organisation Universität Karlsruhe (TH) Karlsruhe Germany

ProceedingsBuilder is a system that helps the proceedings chair of a scientific conference to carry out his chores. It has features of both workflow management systems (WFMS) and content management systems (CMS), in order to collect the material for the printed proceedings and other products. ProceedingsBuilder has been operational at several conferences, including VLDB 2005. When using Proceedings-Builder, we had a very intense lesson which kinds of work-flow adaptations may become necessary. Existing WFMS do not offer support for most of them. The concern of this article is to describe and classify these various requirements regarding adaptation. ProceedingsBuilder is an example of a broad class of systems, namely editorial systems that collect content in order to publish it. Our findings are of interest to a broader audience, not only to conference organizers.

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Recovering traceability links between code and specification through domain model extraction

Lecture Notes in Business Information Processing

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Lecture Notes in Business Information Processing 2014年 191卷 187-201页

作者： Vinárek, Jirři Hnětynka, Petr Šimko, Viliam Kroha, Petr Institute for Program Structures and Data Organisation Karlsruhe Institute of Technology Karlsruhe Germany Department of Distributed and Dependable Systems Charles University in Prague Malostranske namesti 25 Prague Czech Republic

Requirements traceability is an extremely important aspect of software development and especially of maintenance. Efficient maintaining of traceability links between high-level requirements specification and low-level implementation is hindered by many problems. In this paper, we propose a method for automated recovery of links between parts of the textual requirement specification and the source code of implementation. The described method is based on a method allowing extraction of a prototype domain model from plain text requirements specification. The proposed method is evaluated on two non-trivial examples. The performed experiments show that our method is able to link requirements with source code with the accuracy of F1 = 58 - 61%. © Springer International Publishing Switzerland 2014.

关键词： Specifications

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移动环境下基于网络的软件协作版本开发及配置系统的实现(英文)

移动环境下基于网络的软件协作版本开发及配置系统的实现(英文)

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第二十届全国数据库学术会议

作者： Philipp Obreiter Institute for Program Structures and Data Organisation University of Karlsruhe

As mobile devices become more wide spread,making available software for such devices is crucial for making use of their ***,due to the inherent constraints of mobile devices,it is highly non trivial to do *** for larger software projects,additional support for the development and deployment phase is required. Therefore,in this paper,we propose a system that provides such support,i.e.,the Software *** system's requirements result from the analysis of our project *** the one hand,the development of software components is based upon a version control *** the other hand,a web based interface facilitates the automated yet flexible deployment of software components to the respective mobile devices.

关键词： Software station Version controlled development Web based deployment Web services Mobile environment

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