aggregate query processing sensor networks

Processing approximate aggregate queries in wireless , For large sensor networks with severe energy constraints, the reduction (in the number of messages exchanged) obtained through the aggregation tree might not be sufficient In this paper, we present new algorithms for obtaining approximate aggregate statistics from large sensor networks
aggregate query processing in wireless sensor network To evaluate an aggregate query in a sensor network , Get More Info , Query Processing for Sensor Networks , we develop a query layer for wireless sensor networks , resource in a sensor network is power, and query opti-Get More Info definition of aggregate query processing
Processing approximate aggregate queries in wireless , Jose E Bessa Maia , Angelo Brayner , Fernando Rodrigues, A framework for processing complex queries in wireless sensor networks, ACM SIGAPP Applied Computing Review, v13 n2, p30-41, ,
Approximate Monitoring in Wireless Sensor Networks Approximate Monitoring in Wireless Sensor Networks Xingbo Yu, Sharad Mehrotra, Nalini Venkatasubramanian, Weiwen Yang , protocols for adapting the processing of aggregate mon-itoring queries in a sensor network in order to (a) satisfy , imize lifetime of sensor networks while processing user queries successfully Two immediate subgoals are re-
Robust Approximate Aggregation in Sensor Data , sensor network using a workstation or base station directly connected to a sensor designated as the sink Aggregate queries over the sensor data are formulated using , 22 In-network Aggregate Query Processing , Robust Approximate Aggregation in Sensor Data Management Systems .
Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor , Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks Samuel Madden, Robert Szewczyk, Michael J Franklin and David Culler University of California, Berkeley madden, szewczyk, franklin, culler @csberkeleyedu Abstract We show how the database community’s notion of a generic query interface for data aggregationcan be applied
Routing and processing multiple aggregate queries in , We present a novel approach to processing continuous aggregate queries in sensor networks, which lifts the assumption of tree-based routing Given a query workload and a special-purpose gateway node where results are expected, the query optimizer exploits query correlations in order to generate an energy-efficient distributed evaluation plan
Assembling Regions for Efficacious Aggregate Query , Assembling Regions for Efficacious Aggregate Query Processing in Wireless Sensor Networks by Apostolos Fertis Diploma, Electrical and Computer Engineering (2003) National Technical University of Athens Submitted to the Department of Electrical Engineering and Computer Science in partial fulfillment of the requirements of
Robust and Efficient Aggregate Query Processing in , from sensor nodes to the network’s sink In general, aggregate queries can be classified into two categories, duplicate-insensitive and duplicate-sensitive For duplicate-insensitive aggregations such as MIN and MAX, Silberstein [19] presents a novel query processing algorithm called HAT with the goal of minimizing message
Processing Multiple Aggregation Queries in Geo-Sensor , Processing Multiple Aggregation Queries in Geo-Sensor Networks Ken CK Lee1 , Wang-Chien Lee1 , Baihua Zheng2 , and Julian Winter1 1 Pennsylvania State University, USA {cklee, wlee, jwinter}@csepsuedu 2 Singapore Management University, Singapore [email protected] Abstract
aggregate query processing sensor networks - zionhomcoin aggregate query processing sensor networks - aggregate query processing sensor networks Cisco Tetration Platform FAQ - Cisco A Cisco Tetration ,
definition of aggregate query processing - Mine Equipments Query Processing in Sensor Networks A smart sensor query-processing architecture using database technology , Our query-processing-based approach can also , table at well-defined intervals specified as query , Figure 3 Sensor network executing a simple aggregate query
Robust and Efficient Aggregate Query Processing in , Wireless sensor networks have been widely used in many applications, such as soil temperature monitoring for plant growth and abnormal event detection of industrial parameters Among these applications, aggregate queries, such as SUM, COUNT, AVERAGE, MIN and MAX are often used to collect statistical data
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 have to be aggregated and then sensor data whose aggregate values are smaller than the threshold are eliminated
aggregate query processing sensor networks - esic2017eu Routing and Processing Multiple Aggregate Queries in Sensor Networks Niki Trigoni Alexandre Guitton Antonios Skordylis Abstract Tree-based routing is an energy-efficient technique for aggregate query processing in sensor networks Aggregate Query Processing in Ad-Hoc Sensor Networks Yong Yao Database lunch, Apr 15th Outline
CAPS: Energy-Efficient Processing of Continuous Aggregate , CAPS: Energy-Efficient Processing of Continuous Aggregate Queries in Sensor Networks Wen Hu University of New South Wales National ICT Australia Limited
Location Monitoring System in Wireless Sensor Networks , Location Monitoring System in Wireless Sensor Networks Using Aggregate Query Processor S Suresh Kumar¹, Mrs ManjulaG² ¹(MTech Student, Department of ISE, East West Institute of Technology, Karnataka, India, ²(Assistant Professor, Department of ISE, East West Institute of Technology, Karnataka, India.
Effective processing of continuous group-by aggregate , Abstract: Aggregate queries are one of the most important queries in sensor networks Especially, group-by aggregate queries can be used in various sensor network applications such as tracking, monitoring, and event detection
aggregate query processing in peer to peer abstract aggregate query processing sensor networks - YouTube Aug 02, 2016 , peer networks with synopsis abstract for aggregate query processing in peer to peer aggregate query processing in peer to peer abstract , More Products; aggregate query processing in peer to peer abstract
Processing multiple aggregation queries in geo-sensor networks Huei-You Yang , Wen-Chih Peng , Chia-Hao Lo, Optimizing multiple in-network aggregate queries in wireless sensor networks, Proceedings of the 12th international conference on Database systems for advanced applications, April 09-12, 2007, Bangkok, Thailand , To facilitate the XML query processing, several kinds of labeling schemes have been .
Histogram and Other Aggregate Queries in Wireless Sensor , Histogram and Other Aggregate Queries in Wireless Sensor Networks Khaled Ammar and Mario A Nascimento Department of Computing Science, University of Alberta, Edmonton, Canada {kammar,mn}@csualbertaca , node [7] Thus, it is vital that query processing ,
SIA: Secure Information Aggregation in Sensor Networks processing and aggregation techniques to make effective use of the data Given a query, it may be unnecessary and inefficient to re- , reply to the aggregate queries of a remote user However, informa-tion aggregation in sensor networks is made even more challenging , in sensor networks, analyze the attack model and security
TinyCasper: A Privacy-Preserving Aggregate Location , niques designed for wireless sensor networks On the other side, the aggregate query processing module is embedded in-side the server to support aggregate query processing over anonymized locations TinyCasper system administrators can change the privacy requirement, ie, k-anonymity re-quirement, at anytime Finally, system users can issue snap-
aggregate query processing in wireless sensor network processing approximate aggregate queries in wireless sensor networks processing approximate aggregate queries in wireless sensor networks View: PY Cone Crusher Query Processing for Sensor Networks - Computer , Query Processing for Sensor Networks we develop a query layer for wireless sensor networks
Accuracy vs Lifetime: Linear Sketches for Aggregate , We consider two kinds of aggregate queries: location range queries that compute the sum of values reported by sensors in a given location range, and value range queries that compute the number of sensors that report values in a given range We construct summary data–structures called linear sketches, over the sensor data using in–network .
aggregate query processing in sensor networks Query Processing in Sensor Networks A smart sensor query-processing architecture using , The query plan's computation component computes the aggregate at the network ,
Energy-Efficient Data Organization and Query Processing in , Energy-Efficient Data Organization and Query Processing , to the data organization and query processing ideas described in this paper, and it is possible to use other indexes like GHT[12], , including data inserts and query retrievals; sensor networks are energy-constrained, and communication expends significant energy
Interplay of processing and routing in aggregate query , This paper presents a novel approach to processing continuous aggregate queries in sensor networks, which lifts the assumption of tree-based routing Given a query workload and a special-purpose gateway node where results are expected, the query optimizer exploits query correlations in order to generate an energy-efficient distributed .
Processing approximate aggregate queries in wireless , Processing approximate aggregate queries in wireless sensor networks Nodes of the network form an aggregation tree, in which parent nodes aggregate the values received from their children and propagate the result to their own parents
Cost-Efficient Processing of Min/Max Queries over , Cost-Efficient Processing of Min/Max Queries over Distributed Sensors with Uncertainty Zhenyu Liu University of California , we study the cost-efficient processing of aggregate queries that are generally communication-intensive , MIN/MAXsensor For instance, suppose we want to query the above rainfall sensor network to find out possible .