Lexical chaining is a technique for identifying semanticallyrelated terms in text. We propose concept chaining to link semantically-related concepts within biomedical text togethe...
In a recent work, we have shown that it is not possible to dependably build any type of distributed f fault or intrusiontolerant system under the asynchronous model. This result f...
Paulo Sousa, Nuno Ferreira Neves, Paulo Verí...
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
We propose an integrity measurement approach based on information flow integrity, which we call the Policy-Reduced Integrity Measurement Architecture (PRIMA). The recent availabi...
The success of Skype has inspired a generation of peer-topeer-based solutions for satisfactory real-time multimedia services over the Internet. However, fundamental questions, suc...