d on Dung’s [4] abstract argumentation system • arguments: trees of chained defeasible inferences • aim: determine the status of a query given a belief base • incorporation...
Peer-to-peer systems, exchanging dynamic documents through Web services, are a simple and effective platform for data integration on the internet. Dynamic documents can contain b...
Preference elicitation — the process of asking queries to determine parties’ preferences — is a key part of many problems in electronic commerce. For example, a shopping age...
Most applications developed today rely on a given middleware platform which governs the interaction between components, the access to resources, etc. To decide, which platform is ...
Existing authorization mechanisms fail to provide powerful and robust tools for handling security at the scale necessary for today's Internet. These mechanisms are coming unde...