Google's MapReduce programming model serves for processing large data sets in a massively parallel manner. We deliver the first rigorous description of the model including it...
WS-SecurityPolicy is a declarative language for configuring web services security mechanisms. We describe a formal semantics for WS-SecurityPolicy and propose a more abstract lang...
In this paper we propose a behavioural model, namely the Extended Modal Labeled Transition Systems, as a basis for the formalization of the different notions of variability usuall...
We study the verification of compositions of Web Service peers which interact asynchronously by exchanging messages. Each peer has access to a local database and reacts to user in...
Alin Deutsch, Liying Sui, Victor Vianu, Dayou Zhou
This work presents a methodology to formally model and to build collaborative three dimensional interaction tasks in virtual environments using three different tools: Petri Nets, ...
Rafael Rieder, Marcio Sarroglia Pinho, Alberto Bar...