The design and development of Internet applications can take advantage of a paradigm based on autonomous and mobile agents. However, agent mobility introduces peculiar coordinatio...
We are designing a computational architecture for a "learning economy" based on personal software agents who represent users in a virtual society and assist them in find...
This paper is focused on the use of the level set formalism to segment anatomical structures in 3D images (ultrasound ou magnetic resonance images). A closed 3D surface propagates...
There have been significant advances on formal methods to verify complex systems recently. Nevertheless, these methods have not yet been accepted as a realistic alternative to the ...
Existing software proposals for electronic payments can be divided into "on-line" schemes that require participation of a trusted party (the bank) in every transaction an...