This paper presents a model of hierarchical organization of Certification Authorities which can be applied to any open system network. In order to study the feasibility of the pro...
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
Ning Zhang 0002, Peter J. Haas, Vanja Josifovski, ...
The notions of burden of proof and presumption are central to law, but as noted in McCormick on Evidence, they are also the slipperiest of any of the family of legal terms employe...
This paper is a reminder of the danger of allowing \risk" when synchronizing a parallel discrete-event simulation: a simulation code that runs correctly on a serial machine m...
— This paper first presents a novel control strategy for periodic motion control based on a Hamiltonian system. According to the strategy, hybrid symmetric orbits (ideal walking...