One important application of wireless sensor networks is tracking moving objects. The recent progress has made it possible for tiny sensors to have more computing power and storag...
In this work we present new in-network techniques for communication efficient approximate query processing in wireless sensornets. We use a model-based approach that constructs a...
Alexandra Meliou, Carlos Guestrin, Joseph M. Helle...
Abstract-- In this paper, we present TransDec, an end-toend data-driven system which enables spatiotemporal queries in transportation systems with dynamic, real-time and historical...
Ugur Demiryurek, Farnoush Banaei Kashani, Cyrus Sh...
Top-k queries are a popular type of query in Wireless Sensor Networks. Typical solutions rely on coordinated root-tonodes and nodes-to-root messages and on maintaining filters at...
Johannes Niedermayer, Mario A. Nascimento, Matthia...
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...