Abstract. Starting from existing spreadsheet software, like Lotus 1-23R , ExcelR , or Spreadsheet 2000R , we propose a sequence of enhancements to fully integrate constraint-based ...
A central challenge in computer science and knowledge representation is the integration of conceptual frameworks for continuous and discrete change, as exemplified by the theory ...
Learning Objects Metadata describing educational resources in order to allow better reusability and retrieval. Unfortunately, annotating complete courses thoroughly with LOM metad...
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...
Sushil Jajodia, Pierangela Samarati, V. S. Subrahm...
Abstract—Wireless sensor networks are evolving from singleapplication platforms towards an integrated infrastructure shared by multiple applications. Given the resource constrain...