Tools
Sorted by:
Try your query at:
 |
 |
 |
 |
 |
 |
Results 1 - 10
of
193
Approximate data collection in sensor networks using probabilistic models
- IN ICDE
, 2006
"... Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has proposed to achieve this by pushing data-reducing operators like aggregation and selection down into the network. This approac ..."
Abstract
-
Cited by 148 (7 self)
- Add to MetaCart
. This approach has proven unpopular with early adopters of sensor network technology, who typically want to extract complete “dumps ” of the sensor readings, i.e., to run “SELECT *” queries. Unfortunately, because these queries do no data reduction, they consume significant energy in current sensornet query
Efficient Data Collection and Selective Queries in Sensor Networks
"... Abstract. Efficient data collection in wireless sensor networks (SNs) plays a key role in power conservation. It has spurred a number of research projects focusing on effective algorithms that reduce power consumption with effective in-network aggregation techniques. Up to now, most approaches are b ..."
Abstract
-
Cited by 7 (0 self)
- Add to MetaCart
Abstract. Efficient data collection in wireless sensor networks (SNs) plays a key role in power conservation. It has spurred a number of research projects focusing on effective algorithms that reduce power consumption with effective in-network aggregation techniques. Up to now, most approaches
Query Optimization for Sensor Networks
- SUBMITTED TO IRSN 2009
, 2009
"... This paper proposes a new approach to obtain optimality in distributed query processing in a wireless sensor network environment. The goal of this paper is to design a scheme which supports multiple data acquisition and aggregation queries and minimizes the amount of radio transmissions, average tra ..."
Abstract
- Add to MetaCart
on sensor devices. traversed as the query propagates downwards into the network. However, most of these queries are issued by multiple users simultaneously while current research has focused on optimization model for a single long-running query. The problem lies in identifying what data should be collected
Efficient Mobile Data Collection with Mobile Collect
"... Abstract—The main task of most deployed wireless sensor networks is data collection. While a number of solutions have been designed for static networks, there are currently no widely used data collection algorithms for mobile sensor networks. In this paper, we concentrate on scenarios where many nod ..."
Abstract
- Add to MetaCart
Abstract—The main task of most deployed wireless sensor networks is data collection. While a number of solutions have been designed for static networks, there are currently no widely used data collection algorithms for mobile sensor networks. In this paper, we concentrate on scenarios where many
Adaptive Data Quality for Persistent Queries in Sensor Networks
, 2008
"... Wireless sensor networks are emerging as a convenient mechanism to constantly monitor the physical world. The volume of information in such networks can be extremely large and, to be meaningful to applications, this information must be processed at the right level of accuracy. However, there is an i ..."
Abstract
-
Cited by 3 (1 self)
- Add to MetaCart
selected set of nodes at a user-defined level of accuracy. We extend this protocol to address persistent queries, long running queries where network data is collected periodically, by treating a persistent query as a temporal aggregate of individual queries. Finally, we provide a novel protocol
Article TDMA-Based Dual-Mode Communication for Mobile Wireless Sensor Networks
, 2012
"... sensors ..."
1 Complexity of Data Collection, Aggregation, and Selection for Wireless Sensor Networks
"... Abstract — Processing the gathered information efficiently is a key functionality for wireless sensor networks. In this article, we study the time complexity, message complexity (number of messages used by all nodes), and energy cost complexity (total energy used by all nodes for transmitting messag ..."
Abstract
- Add to MetaCart
, and then, for most of the tasks studied in this article, we provide an (asymptotically matching) upper-bound on the complexity by presenting efficient distributed algorithms to solve these problems. Index Terms — Wireless sensor networks, data collection, data selection, complexity analysis. I.
A Location Based Aggregation Algorithm for Selective Aggregate Queries in Sensor Networks
"... In-network data aggregation algorithms are based on the premise that the energy requirements for data collection in sensor networks (SNs) can be significantly reduced by aggregating and collecting individual sensor readings over an efficient data collection path. In this work, we focus on selective ..."
Abstract
-
Cited by 2 (1 self)
- Add to MetaCart
In-network data aggregation algorithms are based on the premise that the energy requirements for data collection in sensor networks (SNs) can be significantly reduced by aggregating and collecting individual sensor readings over an efficient data collection path. In this work, we focus on selective
A Survey of the Semantic Specification of Sensors
"... Abstract. Semantic sensor networks use declarative descriptions of sen-sors promote reuse and integration, and to help solve the difficulties of installing, querying and maintaining complex, heterogeneous sensor net-works. This paper reviews the state of the art for the semantic specifi-cation of se ..."
Abstract
- Add to MetaCart
Abstract. Semantic sensor networks use declarative descriptions of sen-sors promote reuse and integration, and to help solve the difficulties of installing, querying and maintaining complex, heterogeneous sensor net-works. This paper reviews the state of the art for the semantic specifi-cation
Results 1 - 10
of
193
