Abstract. A groupware that integrates synchronous and asynchronous collaboration paradigms is developed to support international medical collaboration activities carried out among ...
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
Service-oriented Computing (SoC) in general, and e-service orchestrations in particular have the potential to increase reuse and to ease maintainability. Typically, interoperating ...
Johann Oberleitner, Florian Rosenberg, Schahram Du...
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
Xia Yang, Mong-Li Lee, Tok Wang Ling, Gillian Dobb...
This paper presents a first step towards a security model that defines access control for logical document structures. el benefits from roles to abstract from users and from secur...