In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
Critical infrastructures like the power grid are emerging as collection of existing separated systems of different nature which are interconnected together. Their criticality becom...
Alessandro Daidone, Andrea Bondavalli, Paulo Ver&i...
— We present a modular robot design inspired by the creation of complex structures and functions in biology via deformation. Our design is based on the Tensegrity model of cellul...
Chih-Han Yu, Kristina Haller, Donald E. Ingber, Ra...
Croquet [11,12] is a collaborative 3D platform that allows users to work together to create and share ideas. From the beginning we have worked to ensure that the Croquet interface...
David A. Smith, Andreas Raab, Yoshiki Ohshima, Dav...