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The following topics are dealt with: software maintenance; software reengineering; systems migration; service oriented architecture; system analysis and testing; dynamic analysis; tools and frameworks; system refactoring; design recovery; program analysis; system assessment; and industrial track
Summary form only given. This talk explains how software maintenance and re-engineering activities can be viewed as a search for solutions that balance many competing constraints to achieve an optimal or near optimal result. This interpretation of the problems we face leads to the inevitable conclusion that the search process, as currently followed, is a woefully labour-intensive human activity; it...
Summary form only given. The development environment has vastly changed over the last years. Development architectures of single database servers are replaced by message based exchange servers, cross application handling emerged, business demands change more rapidly and Web portals, Web services etc. require not only new tools to manage software maintenance, but also preventive maintenance tools as...
Impact analysis is the identification of the work products affected by a proposed change request, either a bug fix or a new feature demand. Jimpa is a plug-in for Eclipse that implements an impact analysis approach based on data stored in software repositories, such as CVS and Bugzilla. Plug-in architecture and functionalities are presented
Migration of form based legacy systems towards service-oriented computing is a challenging task, requiring the adaptation of the legacy interface to the interaction paradigm of Web services. In this paper a flexible wrapper supporting a process for making accessible functionalities of legacy systems as Web services is presented
SAP R/3 provides a huge number of parametric customizations in order to adapt the system to each particular organization context, and usually consultants, or consulting firms are hired to provide the needed expertise in such reengineering process. Such process is known as Customizing by SAP AG (2003) and J.A. Hernandez (2000). SAP Best Practices by J.A. Hernandez (2000) and R/3 Simplification Group...
To understand a certain issue of the system we want to ask the knowledgeable developers. Yet, in large systems, not every developer is knowledgeable in all the details of the system. Thus, we would want to know which developer is knowledgeable in the issue at hand. In this paper we present the Chronia tool that implements the Ownership Map visualization to understand when and how different developers...
In this paper, we present ADAMS (ADvanced Artefact Management System), a Web-based system that integrates project management and artefact management features, as well as context-awareness and artefact traceability features. In particular, we focus on two features of the tool, namely hierarchical versioning and traceability support
Softwarenaut is a tool used for the top-down exploration of large software systems. Using it, the reverse engineer can obtain various architectural views of a system by interactively navigating a hierarchical decomposition of the system. In order to accommodate many possible decompositions of a system Softwarenaut was designed as a framework which provides visualization and exploration services that...
Change is an essential element of the software development cycle, certainly since systems which do not change, perish. Despite the importance of changes, most evolution studies evaluate the impact of changes by comparing two or more snapshots of a system over time instead of reconstructing and evaluating the actual change operations. Therefore we propose a number of techniques which are capable of...
Software maintenance and reuse require identification of the applied software licenses. The information needs of maintainers and reusers can be supported by reverse engineering tools at different information retrieval levels. The paper presents a reverse engineering approach called ASLA for retrieving license information typically used in OSS. User needs, system architecture, tool features, and tool...
The increasing importance of Web-based applications and the use of new Internet protocols for building service oriented applications point to new directions in the construction of this kind of systems. New challenges and problems arise when moving to a service oriented approach. Many times, the implementation of real scenarios using Web services involves the use of context information according to...
Database reverse engineering in general has only been used to recover the conceptual schema employed during its construction. To the best of our knowledge, none of this work has made use of that static structure to perform a deep analysis to infer functionality, or in other words, services over data that could be offered via Web services. Our work goes beyond the discovery of functionality, generating...
Adapting software components usable by a particular application is a crucial issue in software component based technology. In fact, software components can be used in contexts that can be different from the context assumptions made by the component designers. We present in this paper a tool aiming at adapting software component structure. Among the motivations of this kind of adaptation, we note its...
Measurement based software process improvement needs a non-intrusive approach to determine what and where improvement is needed without knowing anything about the methods and techniques used during project execution. Beside, it is necessary for obtaining successful business management, an accurate process behavior prediction. In order to obtain these results we proposed to use statistical process...
Database reengineering consists in deriving a new database from a legacy database and adapting associated software components accordingly. This migration process typically involves three main steps, namely schema conversion, data conversion and program conversion. This paper presents a wrapper-based approach to automating the program conversion step. The proposed approach combines program transformations...
Dynamic analysis has long been a subject of study in the context of (compiler) optimization, program comprehension, test coverage, etc. Ever-since, the scale of the event trace has been an important issue. This scalability issue finds its limits on the computational front, where time and/or space complexity of algorithms become too large to be handled by a computer, but also on the cognitive front,...
In this paper, we describe a PhD project in which a method is devised to select a middleware platform for enterprise application integration (EAI). The method uses a taxonomy of middleware platforms that is based on the architectural styles that are induced by the middleware platforms. The focus in the selection process is on extra-functional properties of the systems based on the different styles...
Web applications design methodologies hold the promise of engineering high-quality and long-lived Web systems and rich Internet applications. However, many such methodologies focus solely on green-field development, and do not properly address the situation of leveraging the value locked in legacy systems. This paper proposes a holistic approach to redesigning legacy applications for the Web using...
Technological innovation and diffusion within an enterprise are key success factors. The introduction of a new technology aims to improve productivity and quality of production processes, and to better adapt the products to market needs. Therefore, it can be used to improve effectiveness and efficiency of business goals. Unfortunately, innovation is not always well seen and accepted in that it introduces...
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