[PDF] Top 20 Spatial query processing for wireless sensor networks

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... is computationally more demanding due to the use of sophisticated mathematical tools, which shows that even a simple algorithm such as the one based on bisection procedure can produce high estimation accuracy when two ... See full document

... It has been assumed that the sensors can distinguish objects which may be due to the unique ID transmitted by the objects. Thus, the environment considers multiple objects although the technique has been depicted for one ... See full document

... A Mobile Ad hoc Network (MANET) is an autonomous system of mobile nodes connected by wireless links. Each node operates not only as an end- system but also as a router to forward packets. The nodes are free to ... See full document

... in wireless sensor networks. A sensor node has a microprocessor and a small amount of memory for signal processing and task ...the wireless sensor network with the ... See full document

... Wireless Sensor Networks (WSNs) consists of spatially distributed autonomous devices using sensors to cooperatively monitor physical or environmental conditions such as temperature, sound, vibration, ... See full document

... efficient wireless communication chips have enables the development of low-cost, low power, multifunctional sensor ...Each sensor node combines sensing, signal processing, low-end processor, ... See full document

... of sensor nodes that are randomly deployed in the area that is called as sensor fields or field of observation ...[1]. Sensor nodes have restricted power supply and may have the problem of charging ... See full document

... a processing center which can be one of the normal sensors or one with extra resources available within ...data processing center through a hierarchy of cluster ...transmitting sensor and the final ... See full document

... limited processing power, storage and battery, low bandwidth and short ...into networks, along with the Internet, brought several opportunities such as environment monitoring, battle field surveillance, ... See full document

... Hinzelmann proposed a hierarchical routing algorithm for sensor networks called LEACH [7, 9]. LEACH is one of the most popular hierarchical routing algorithms for sensor networks. It is a ... See full document

... In this study, we designed and implement three different distributed vertex cover approximation algorithms and measure the performances of them. The first algorithm is a greedy approach that is adapted from Parnas & ... See full document

... Wireless sensor networks (WSNs) have revolutionised today's practice of numerous scientific and engineering endeavours, including ecosystems, environmental sciences, military applications, scientific ... See full document

... A wireless sensor network consists of a large number of sensor nodes and a base station as a controller, which interfaces the sensor network to the outside ...network. Sensor nodes are ... See full document

... in wireless sensor network makes the challenges in query processing an important research ...the query processing. We studied the performance of query processing ... See full document

... of Wireless Sensor Networks (WSNs) [1]-[3] in various sensitive areas such as health-care, military, habitat monitoring, etc, the need to ensure security and privacy is becoming imperatively ... See full document

... real-time query processing on WSNs for both latency and energy minimization and a new proposal of real-time query processing optimization for cloud-based wireless body area ... See full document

... the sensor nodes and the quantity of temporary information that can be stored need to be ...storage, query and data analysis in a central node is an expensive procedure in WSNs, since wireless ... See full document

... When sensor nodes are close, there will be numerous similarities among the data received by such ...some sensor nodes in each cluster that send ...of spatial correlation (YEAST) that decreases energy ... See full document

... a query is generated or a task is assigned to a node it needs to follow certain steps to forward data throughout the network, the four main steps are mentioned ... See full document