Advances in hardware manufacturing technology, wireless communications, micro electro-
mechanical devices and information processing technologies enabled the development of …

Distributed data aggregation is an important task, allowing the decentralized determination
of meaningful global properties, which can then be used to direct the execution of other …

Energy efficiency has aroused great interest in research worldwide, because energy
consumption has increased in recent years, especially in the residential sector. The …

Abstract Methods for Approximate Query Processing (AQP) are essential for dealing with
massive data. They are often the only means of providing interactive response times when …

Despite 25 years of research in academia, approximate query processing (AQP) has had
little industrial adoption. One of the major causes of this slow adoption is the reluctance of …

Wireless sensor networks offer the potential to span and monitor large geographical areas
inexpensively. Sensors, however, have significant power constraint (battery life), making …

Environment monitoring in coal mines is an important application of wireless sensor
networks (WSNs) that has commercial potential. We discuss the design of a Structure-Aware …

Wireless sensor networks are resource-constrained self-organizing systems that are often
deployed in inaccessible and inhospitable environments in order to collect data about some …

Unlike the Telephone network or the Internet, many of the next generation networks are not
engineered for the purpose of providing efficient communication between various networked …

Previous approaches for computing duplicate-sensitive aggregates in wireless sensor
networks have used a tree topology, in order to conserve energy and to avoid double …