In this paper, we present a parallel dispatch model with secure route structures for protecting the dispatch route information of mobile agents. This model facilitates efficient dispatching of agents in a hierarchical manner, and ensures route security by exposing minimal route information to hosts. It also provides the capability for detecting attacks. Based on the secure dispatch model, two e...

Japan is an earthquake-prone country; however, it is also affected by other types of disasters such as typhoons, floods, volcanoes, and landslides. These disasters cause significantly severe damage in affected areas. During large disaster events, the fire departments of affected areas are expected to bring help to these areas. Unfortunately, the number of emergency vehicles and firefighters are...

The Visitor pattern wraps associated operations that are performed on the elements of an object structure into a separate object. It allows the software designer to define new kinds of operations over the object structure without changing the classes of this structure. But a well-known drawback of this standard Visitor structure is that extending the object structure is hard. This paper present...

Abstract: Electric vehicles (EV) offer a great potential to address the integration of renewable energy sources (RES) in the power grid, and thus reduce the dependence on oil as well as the greenhouse gases (GHG) emissions. The high share of wind energy in the Portuguese energy mix expected for 2020 can led to eventual curtailment, especially during the winter when high levels of hydro generati...

Several calculi of objects have been studied in the recent literature, that support the central features of object-based languages: messages, inheritance, dynamic dispatch, object update and object-extension. We show that a complete semantic account of these features may be given in a fragment of higher-order linear logic.

Traffic gridlock has become a very familiar scene in cities due to the inefficiencies of existing transport systems. Context-aware dispatch has the potential to solve such congestion problems. Thus, this paper addresses the problem of realising large scale real-time taxi dispatch with service guarantees on road networks. Such a system requires the dynamic matching of travel requests made by pas...

A new definition and realization of mobile agent was advanced: task-description-based mobile agent, which is a kind of data package describing the tasks needed to perform on the agent platforms. A secure mobile agent system building on this kind of mobile agent was proposed. By way of using Proxy/Manage Agency to create and dispatch agents, Java 2 security model to protect local resources and t...

Conceptually, join points are points in the execution of a program and advice is late-bound to them. We propose the notion of virtual join points that makes this concept explicit not only at a conceptual, but also at implementation level. In current implementations of aspect-oriented languages, binding is performed early, at deploy-time, and only a limited residual dispatch is executed. Current...

Warehouse management and operations of picking and dispatch in the supply chain and logistics are key factors for operational efficiency and client satisfaction. For this reason, the present article aims to develop a discrete simulation model that supports the analysis and evaluation of improvement alternatives for these operations. This model is for a medium size business in the mattress busin...

This paper is a case study of a long-term project studying the application of machine learning to the problem of dispatching technicians to x faults in the local loop of a telephone network. The bottom line of the study is that simple machine learning techniques can increase the eeectiveness of local-loop dispatch. However, presenting a convincing argument to that eeect has been far from simple...