We present the concept of alternative functionality for improving dependability in distributed embedded systems. Alternative functionality is a mechanism that complements traditio...
The primary use of the Internet is content distribution -- the delivery of web pages, audio, and video to client applications -- yet the Internet was never architected for scalabl...
Indexing moving objects is a fundamental issue in spatiotemporal databases. In this paper, we propose an adaptive Lazy-Update Grid-based index (LUGrid, for short) that minimizes th...
— Online service provision is becoming increasingly decentralized as system designers pursue the benefits gained from utilizing nodes at the periphery of the network. However, d...
Debugging multi-agent systems, which are concurrent, distributed, and consist of complex components, is difficult, yet crucial. In earlier work we have proposed mechanisms whereby...