Sunil Choenni1 Elisa Bertino2 Henk M. Blanken1 Thiel Chang3 1University of Twente 2University of Genova 3G.A.K. P.O. Box 217, 7500 AE Enschede, Via L.B. Alberti 4, 16132 Genova, P.O. Box 8300, 1005 CA Amsterdam, The Netherlands Italy The Netherlands Abstract An operation in object-oriented databases gives rise to the processing of a path. Several database operations may result into the same pat...

We study the issues arising when considering the problem of recon guring broadcast optical networks in response to changes in the tra c patterns. Although the ability to dynamically optimize the network under changing tra c conditions has been recognized as one of the key features of multiwavelength optical networks, this is the rst indepth study of the tradeo s involved in carrying out the rec...

Interactions of two baryons are considered in large NC chiral perturbation theory and compared to the interactions derived from the Skyrme model. Special attention is given to a torus-like con guration known to be present in

The application of evolution-inspired strategies to hardware design and circuit self-con-guration leads to the concept of evolvable hardware (EHW). EHW refers to self-con-guration of electronic hardware by evolutionary/genetic algorithms (EA and GA, respectively). Unconventional circuits, for which there are no textbook design guidelines, are particularly appealing for EHW. Here we applied an e...

There is a growing need for applications that are able to adapt themselves to the context of use. One promising approach for the adaptation of an application during its execution is the use of models at runtime. In this approach models of the application and its context of use are kept alive during the execution. The application can be adapted by recon guring the structure of these models. Mode...

Factory [Gamma 95]class ComponentGenerator represents a use of the AbstractFactory pattern. Classes derived from ComponentGenerator will encapsulate thegeneration of concrete ReconfComponent, LPlug and RPlug objects,Factory Method [Gamma 95]method newCompGen in class ReconfComponent representa use of the Factory Method pattern.Distributed Proxy [Silva 97] RPlug and LPlug cla...

Specifying a reactive behavioral con guration for use by a multiagent team requires both a careful choice of the behavior set and the creation of a temporal chain of behaviors which executes the mission. This di cult task is simpli ed by applying an object-oriented approach to the design of the mission using a construction called an assemblage and a methodology called temporal sequencing. The a...

ion Mapping Parameters Scheduling Figure 2: Traditional Design Synthesis Approach and the Model-based Approach One major problem in using FPGAs to speed-up a computation is the design process. The \standard CAD approach" used for digital design is typically employed (see Figure 2). The required functionality is speci ed at a high level of abstraction via an HDL or a schematic. FPGA libraries sp...

In this paper we present a methodology and a design tool for communication synthesis in recon gurable embedded systems Using our design tool the designer can focus on the functional behavior of the design and on the evaluation of di erent mappings All the low level details of the recon gurable resource e g a multi FPGA architecture are hidden After the application s tasks have been bound to FPG...

We propose a novel approach to planning the safe motion of a robot the motion is considered safe if the robot stays as distant as possible from the nearest obstacle The approach is based on approximating the medial axis of the free con guration space through randomized probes of the full con guration space Experiments with and DOF manipulators show that the approach generates longer but signi c...