Abstract. Modern information systems require temporal and privilegeconsuming usage of digital objects. To meet these requirements, we present a new access control model–Times-bas...
Baoxian Zhao, Ravi S. Sandhu, Xinwen Zhang, Xiaoli...
Grid computing provides key infrastructure for distributed problem solving in dynamic virtual organizations. It has been adopted by many scientific projects, and industrial intere...
Jim Blythe, Ewa Deelman, Yolanda Gil, Carl Kesselm...
While similarity has gained in importance in research about information retrieval on the (geospatial) semantic Web, information retrieval paradigms and their integration into exist...
The promise of search-driven development is that developers will save time and resources by reusing external code in their local projects. To efficiently integrate this code, user...
Organizational models have been recently used in agent theory for modeling coordination in open systems and to ensure social order in multi-agent system applications. In this pape...