Service based architectures are a powerful approach to meet the fast evolution of business rules and the corresponding software. An active functionality service that detects event...
Networked, distributed real world sensing is an increasingly prominent topic in computing and has quickly expanded from resource constrained “sensor networks” measuring simple...
This paper presents a set of algorithms for efficiently evaluating join queries over static data tables in sensor networks. We describe and evaluate three algorithms that take adv...
In this effort we tackle the important issue of providing Quality of Service (QoS) guarantees to subscribers, when routing event notifications in a publish-subscribe domain. In ...
In this paper, we describe the middleware that has evolved from our attempt to capture user descriptions of policies controlling devices and services from natural language. Descri...
Bill Keller, Tim Owen, Ian Wakeman, Julie Weeds, D...