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This paper introduces S.P.L.O.T., a Web-based reasoning and configuration system for Software Product Lines (SPLs). The system benefits from mature logic-based reasoning techniques such as SAT solvers and binary decision diagrams to provide efficient reasoning and interactive configuration services to SPL researchers and practitioners. In addition, the(More)
The design of a large component-based software system typically involves the composition of different components. Instead of relying on a free composition of components, we advocate that more rigorous analysis methods to check the correctness of component composition would allow combination problems to be detected early in the development process so that(More)
There has been a recent increase in the number of published design patterns for hypermedia. Some of these patterns have been evolving, while others have remained untouched. This paper attempts to list all the patterns currently known, tracing the different publications in which they have appeared. The patterns are scrutinized and refined: some patterns are(More)
Software engineers of multi-agent systems (MASs) are faced with different concerns such as autonomy, adaptation, interaction, collaboration, learning, and mobility, which are essentially different from classical concerns addressed in object-oriented software engineering. MAS developers however have relied mostly on object-oriented design techniques and(More)
This paper presents an object-oriented approach to specifying the user interface of a hypermedia application using the Abstract Data Views (ADVs) concept. We discuss ADVs in the context of an object-oriented hypermedia design method (OOHDM) showing how to specify the interface aspects of hypermedia objects including nodes, links and access structures such(More)
SUMMARY Structured documents such as those developed for SGML, GML or L A T E X usually contain a combination of text and tags. Since various types of documents require tags with different placement, the creator of a document must learn and retain a large amount of knowledge. Rita consists of an editor and user interface which are controlled by a grammar or(More)