In this article we provide a comprehensive review of the existing literature on techniques and
protocols for in-network aggregation in wireless sensor networks. We first define suitable …

Energy limitation is the main concern of any wireless sensor network application. The
communication between nodes is the greedy factor for the energy consumption. One …

In the last years, wireless sensor networks (WSNs) have gained increasing attention from
both the research community and actual users. As sensor nodes are generally battery …

Network lifetime has become the key characteristic for evaluating sensor networks in an
application-specific way. Especially the availability of nodes, the sensor coverage, and the …

Providing efficient data aggregation while preserving data privacy is a challenging problem
in wireless sensor networks research. In this paper, we present two privacy-preserving data …

The authors consider the problem of clustering two-dimensional association rules in large
databases. They present a geometric-based algorithm, BitOp, for performing the clustering …

Large scale dense Wireless Sensor Networks (WSNs) will be increasingly deployed in
different classes of applications for accurate monitoring. Due to the high density of nodes in …

Environmental monitoring is one of the driving applications in the domain of sensor
networks. The lifetime of such systems is envisioned to exceed several years. To achieve …

Wireless sensor networks utilize large numbers of wireless sensor nodes to collect
information from their sensing terrain. Wireless sensor nodes are battery-powered devices …

Due to the inherent characteristics of resource-constrained sensors, communication
overhead is always a major concern in wireless sensor networks (WSNs). Data aggregation …