Among the many works on trust negotiation, only a few deal with negotiation strategies. These works are tailored to specific frameworks—so their results cannot be extended to c...
We argue that games are expressive enough to encompass (history-based) access control, (resource) usage control (e.g., dynamic adaptive access control of reputation systems), acco...
An important part of the Enterprise Resource Planning (ERP) system implementation process is the decision, which modules are implemented and in which order. We posit that the deci...
—This paper introduces an integrated modeling and analysis formalism based on colored Petri nets (CPNs) for supply chain configuration and evaluation. The structural changes of d...
Lianfeng Zhang, Xiao You, Jianxin Jiao, Petri Helo
We show that for any constant ε > 0, there is no Ω(log1−ε M)approximation algorithm for the directed congestion minimization problem on networks of size M unless NP ⊆ Z...