Efficient Iceberg Query Processing in Sensor Networks ...

The iceberg query finds data whose aggregate values exceed a pre-specified threshold. To process an iceberg query in sensor networks, all sensor data We use cookies to enhance your experience on our website.By continuing to use our website, you are agreeing to our use of cookies.

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Efficient Iceberg Query Processing in Sensor Networks

2015-11-26  iceberg query. In this paper, we propose an energy-efficient iceberg query processing technique in sensor networks. COUNT, SUM and AVG are considered as aggregate functions of the iceberg queries. To reduce the size of data transmitted, a lossless data compression method is devised using prime numbers. The size

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Efficient Iceberg Query Processing in Sensor Networks, The ...

2014-12-21  Efficient Iceberg Query Processing in Sensor Networks Efficient Iceberg Query Processing in Sensor Networks Yang, Heejung; Chung, Chin-Wan 2014-12-21 00:00:00 The iceberg query finds data whose aggregate values exceed a pre-specified threshold. To process an iceberg query in sensor networks, all sensor data have to be aggregated and then sensor data whose aggregate values are

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SRJA: Iceberg Join Processing in Wireless Sensor Networks

The iceberg join query is an important type of query which explores the relationships among the sensing data in wireless sensor network.It outputs the joined tuples whose aggregated results are ...

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In-network processing of an iceberg join query in wireless ...

2015-3-12  In-network processing of an iceberg join query in wireless sensor networks based on 2-way fragment semijoins. Kang H(1). Author information: (1)School of Computer Science and Engineering, Chung-Ang University, Seoul 156-756, Korea. [email protected]

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(PDF) In-Network Processing of an Iceberg Join Query in ...

We investigate the in-network processing of an iceberg join query in wireless sensor networks (WSNs). An iceberg join is a special type of join where only those joined tuples whose cardinality ...

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IJA: An Efficient Algorithm for Query Processing in Sensor ...

2011-1-28  Accordingly, each sensor node in a sensor network is regarded as a distributed database system generating a data stream and has been studied as a sensor database. In query processing of sensor networks, the join operation costs much in sensor networks for correlating sensor readings like distributed database environments.

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SafeQ: Secure and Efficient Query Processing in Sensor ...

2010-7-9  Query Processing in Sensor Networks Fei Chen Alex X. Liu Dept. of Computer Science and Engineering Michigan State University East Lansing, MI 48824-1266, U.S.A. Email: {feichen, alexliu}@cse.msu.edu Abstract—The architecture of two-tiered sensor networks, where storage nodes serve as an intermediate tier between sensors

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Query Processing in Sensor Networks

2004-8-18  Our query-processing-based approachcan also dramatically improve theenergy efficiency—the typical measureof performance in sensor networks—ofdata-collection applications. This arti-cle describes our experiences designingthe TinyDB and Cougar query proces-sors.Although we focus on networkscomposed of homogeneous collectionsof Mica motes, our work is generalenough to be applicable outside thisregime. Indeed, we implemented initialversions of Cougar on nodes from Sen-soria

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IJA: An Efficient Algorithm for Query Processing in

2014-6-21  In query processing of sensor networks, the join operation costs much in sensor networks for correlating sensor readings like distributed database environments [8]. Therefore, many researchers have studied reducing the cost in sensor environment [1]. In a sensor network environment, a query is issued for retrieving and gathering the real time state

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SRJA: Iceberg Join Processing in Wireless Sensor Networks

The iceberg join query is an important type of query which explores the relationships among the sensing data in wireless sensor network.It outputs the joined tuples whose aggregated results are ...

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SafeQ: Secure and Efficient Query Processing in Sensor ...

2010-7-9  Query Processing in Sensor Networks Fei Chen Alex X. Liu Dept. of Computer Science and Engineering Michigan State University East Lansing, MI 48824-1266, U.S.A. Email: {feichen, alexliu}@cse.msu.edu Abstract—The architecture of two-tiered sensor networks, where storage nodes serve as an intermediate tier between sensors

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Energy-efficient query processing in wireless sensor

Energy-efficient query processing in wireless sensor networks. Minji Wu. Department of Computer Science. Student thesis: Master's Thesis.

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A Distributed Energy Efficient Query Processing in Self ...

2009-7-20  A Distributed Energy Efficient Query Processing in Self-Organized Wireless Sensor Networks Abstract—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execution of such queries. Any reduction in communication cost would

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Query Processing in Sensor Networks

2004-8-18  Distributed in network query processor 3 TinyDB or Cougar Wireless sensor network Query input Result collection 2 Query parsing Query optimization 1 Query result storage and display Figure 1. Architecture of a sensor network query processor. Numbers indicate the sequence of steps involved in processing a query.

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Efficient skyline query processing in wireless sensor networks

A skyline query identifies a set of non-dominated data records in a multidimensional dataset. Whereas... Efficient skyline query processing in wireless sensor networks

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A Query Processing Framework for Efficient Network ...

View 2 peer reviews of A Query Processing Framework for Efficient Network Resource Utilization in Shared Sensor Networks on Publons Download Web of Science™ My Research Assistant : Bring the power of the Web of Science to your mobile device, wherever inspiration strikes.

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Modern Query Optimization Technique (Nature Inspired)

2015-12-17  for sensor networks) is proposed for query processing in the identical manner i.e. irrespective of energy level, query is sensor nodes. This process dynamically adjusts the data collection and in sending the data to the cluster head and base station. It aggregates data and provides better efficiency [13] in the network.

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Efficient Continuous Skyline Query Processing in Wireless ...

2019-6-30  sensors Article E cient Continuous Skyline Query Processing in Wireless Sensor Networks Yingyuan Xiao 1,2,* , Xu Jiao 2, Hongya Wang 3, Ching-Hsien Hsu 4,*, Li Liu 2 and Wenguang Zheng 2 1 Key Laboratory of Computer Vision and System, Ministry of Education, Tianjin University of Technology, Tianjin 300384, China 2 Tianjin Key Laboratory of Intelligence Computing and Novel Software

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Energy-efficient skyline query processing and maintenance ...

2008-10-26  Energy-efficient skyline query processing and maintenance in sensor networks. ... In this paper, we consider the skyline query problem in Wireless Sensor Network with an objective to maximize the network lifetime by proposing filter-based distributed algorithms for skyline evaluation and maintenance. We also conduct preliminary experiments to ...

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SRJA: Iceberg Join Processing in Wireless Sensor Networks

The iceberg join query is an important type of query which explores the relationships among the sensing data in wireless sensor network.It outputs the joined tuples whose aggregated results are ...

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SafeQ: Secure and Efficient Query Processing in Sensor ...

2010-7-9  Query Processing in Sensor Networks Fei Chen Alex X. Liu Dept. of Computer Science and Engineering Michigan State University East Lansing, MI 48824-1266, U.S.A. Email: {feichen, alexliu}@cse.msu.edu Abstract—The architecture of two-tiered sensor networks, where storage nodes serve as an intermediate tier between sensors

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Query Processing in Sensor Networks

2004-8-18  Distributed in network query processor 3 TinyDB or Cougar Wireless sensor network Query input Result collection 2 Query parsing Query optimization 1 Query result storage and display Figure 1. Architecture of a sensor network query processor. Numbers indicate the sequence of steps involved in processing a query.

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A Distributed Energy Efficient Query Processing in Self ...

2009-7-20  A Distributed Energy Efficient Query Processing in Self-Organized Wireless Sensor Networks Abstract—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execution of such queries. Any reduction in communication cost would

Get Price

IJA: an efficient algorithm for query processing in sensor ...

2011-1-28  Accordingly, each sensor node in a sensor network is regarded as a distributed database system generating a data stream and has been studied as a sensor database . In query processing of sensor networks, the join operation costs much in sensor networks for correlating sensor readings like distributed database environments .

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In-network processing of an iceberg join query in wireless ...

We investigate the in-network processing of an iceberg join query in wireless sensor networks (WSNs). An iceberg join is a special type of join where only those joined tuples whose cardinality exceeds a certain threshold (called iceberg threshold) are qualified for the result.

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Efficient skyline query processing in wireless sensor networks

A skyline query identifies a set of non-dominated data records in a multidimensional dataset. Whereas... Efficient skyline query processing in wireless sensor networks

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An Efficient Top- Query Processing with Result Integrity ...

In two-tiered wireless sensor networks, storage nodes take charge of both storing the sensing data items and processing the query request issued by the base station. Due to their important role, storage nodes are more attractive to adversaries in a hostile environment. Once a storage node is compromised, attackers may falsify or abandon the data when answering the query issued by the base ...

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Efficient Continuous Skyline Query Processing in Wireless ...

Owing to the rapid advent of wireless technology and proliferation of smart sensors, wireless sensor networks (WSNs) have been widely used to monitor and query the physical world in many applications based on the Internet of Things (IoT), such as environmental monitoring and event surveillance. A WSN can be treated as a distributed database to respond to user queries. Skyline query

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Research Article An Efficient Top- Query Processing with ...

2019-7-31  Research Article An Efficient Top- Query Processing with Result Integrity Verification in Two-Tiered Wireless Sensor Networks RuiliangHe, 1 HuaDai, 1 GengYang, 1 TaochunWang, 2 andJingjingBao 3 College of Computer Science Technology, Nanjing University of Posts and Telecommunications, Nanjing , China

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