Wirtschaftsinformatik 44(3) - Juni 2002

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  • Zeitschriftenartikel
    Agile Entwicklung Web-basierter Systeme
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Coldewey, Jens
    Both time-to-market and flexibility are becoming more and more important in today’s software development, especially when heading for web-based information systems. Traditional processes focus on detecting errors early, because they assume that changing existing software is expensive. Agile software development uses a different strategy: The team is organized to facilitate the design of changeable software. Tight relations to the stakeholders and short feedback cycles enable the team to put the software into production faster and react to changing requirements more flexible.
  • Zeitschriftenartikel
    Basisarchitekturen Web-basierter Informationssysteme
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Weitz, Wolfgang
    In the course of time, different concepts for the implementation of Web-based information systems have emerged. This article gives an overview over three common approaches and introduces Zope as an example of a modern object-oriented web application framework.
  • Zeitschriftenartikel
    Softwareentwicklung für Web-basierte Anwendungssysteme
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Kneuper, Ralf; Richter, Reinhard
  • Zeitschriftenartikel
    Aus den Hochschulen
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002)
  • Zeitschriftenartikel
    Web Services und ebXML
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Beimborn, Daniel; Mintert, Stefan; Weitzel, Tim
  • Zeitschriftenartikel
    Buchbesprechung
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Stary, Christian; Lehner, Franz; Klein, Diana; Wandschneider, Hermann; Schwarze, Lars
  • Zeitschriftenartikel
    WI — Dissertationen
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002)
  • Zeitschriftenartikel
    Enterprise JavaBeans
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Schätzle, Roland; Seifert, Tilman; Kleine-Gung, Jörg
    Large web-based information systems make high demands on scalability, maintainability, reliability and security. In order to ease the development of such systems appropriate software architectures are needed. These architectures have to take into account business aspects as well as requisite tools and products. Such an architecture is offered by Sun Microsystems in the form of the Enterprise JavaBeans specification. Based on our experience from different projects we undertake a close examination of this architecture.
  • Zeitschriftenartikel
    Vergleichende Buchbesprechung
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Teubner, Alexander; Klein, Stefan
  • Zeitschriftenartikel
    Ein UML-basiertes Framework zur Modellierung ubiquitärer Web-Anwendungen
    (Wirtschaftsinformatik: Vol. 44, No. 3, 2002) Hitz, Martin; Kappel, Gerti; Retschitzegger, Werner; Schwinger, Wieland
    Electronic commerce (e-commerce) and mobile commerce (m-commerce) have dramatically boosted the demand for services which enable ubiquitous access. Ubiquity offers opportunities in terms of time aware, location aware, device aware, and personalised services. Development of ubiquitous Web applications, however, turns out to be rather complex and thus requires appropriate methodological support. Existing methods for modelling Web applications only partially match the requirements resulting from their ubiquitous nature.This article aims at filling this gap by presenting a UML based framework for modelling ubiquitous Web applications, focussing on issues of adaptation modelling. It encompasses both, context modelling by providing a physical and a logical context model, and modelling the adaptation process per se. The latter is realised in terms of a rule model enabling monitoring of context changes and activation of corresponding adaptation operations. The separation of a Web application in a stable and context independent part on the one hand and a variable and context dependent part on the other hand supports reusability and locality of change.