The need for an automatic inference process able to deal with information coming from unreliable sources is becoming a relevant issue both on corporate networks and on the open Web...
Many authorization system models include some notion of obligation. Little attention has been given to user obligations that depend on and affect authorizations. However, to be u...
Murillo Pontual, Omar Chowdhury, William H. Winsbo...
The EU is currently modernizing customs legislation and practices. Main pillars in the new vision are an intensive use of IT (Customs becomes eCustoms), partnerships between Custom...
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
In this position paper we analyze the benefits of enabling virtual communities to self-organize and introduce a novel research direction for providing incentives, required in this...