This paper presents a proposal for integrating in a single CORBA middleware platform two important OMG specifications: FTCORBA, which provides fault-tolerance support for CORBA obj...
Alysson Neves Bessani, Joni da Silva Fraga, Lau Ch...
Electronic contracts describe inter-organizational business processes in terms of supply and consumption of electronic services (commonly Web services). In a given contract domain,...
Marcelo Fantinato, Itana Maria de Souza Gimenes, M...
Existing approaches to knowledge representation and reasoning in the context of open systems either deal with "objective" knowledge or with beliefs. In contrast, there ha...
: This paper explains how we have designed a service-oriented architecture by combining and extending several open source environments. We show how the IT architecture of the Natio...
Pascal Bauler, Fernand Feltz, Nicolas Biri, Philip...
Access control is an important protection mechanism for information systems. An access control matrix grants subjects privileges to objects. Today, access control matrices are sta...