• IJA: An Efficient Algorithm for Query Processing in Sensor

    IJA: An Efficient Algorithm for Query Processing in Sensor

    Sensor nodes are generally highly constrained, in particular regarding their energy and memory resources. While simple queries such as SELECT and AGGREGATE queries in wireless sensor networks have been addressed in the literature, the processing of join queries in sensor networks remain to be investigated.

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  • Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless sensor networks This is a recursive procedure which ultimately results in the evaluation of the aggregate query at the Root node. After waiting for messages from its children nodes, the current node computes the new value of the partial aggregate based on the most current partial

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  • Accuracy Vs Lifetime: Linear Sketches for Appoximate

    Accuracy Vs Lifetime: Linear Sketches for Appoximate

    Sensor network appliions rely heavily on aggregate queries. Queries are also considered a natural way for users to interact with the sensor network [23]. Therefore, several studies have been carried toward (aggregate) query processing in sensor networks [20,21,23]. The common approach to query processing in sensor networks has two phases.

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  • Interplay of processing and routing in aggregate query

    Interplay of processing and routing in aggregate query

    Interplay of processing and routing in aggregate query optimization for sensor networks Niki Trigoni Alexandre Guitton Antonios Skordylis Computing Laboratory, University of Oxford, Oxford OX1 3QD, UK Abstract. This paper presents a novel approach to processing continuous aggre

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  • Optimized Query Processing for Wireless Sensor Networks

    Optimized Query Processing for Wireless Sensor Networks

    Optimized Query Processing for Wireless Sensor Networks d a 1. I NTR ODUCI Recently sensor networks are used in various domains of computer appliions. Infinite property and scalability of them give chance to getting around information in the highest resolution that impossible in previous technologies. They are used from military search to

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  • (PDF) Processing approximate aggregate queries in wireless

    (PDF) Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless sensor networks

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  • Processing Approximate Aggregate Queries in Wireless

    Processing Approximate Aggregate Queries in Wireless

    CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Innetwork data aggregation has been recently proposed as an e#ective means to reduce the number of messages exchanged 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

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  • aggregate quarry processing sensor networks

    aggregate quarry processing sensor networks

    The Design of an Acquisitional Query Processor For Sensor Networks ∗ tend to view query processing in sensor networks simply as a powerconstrained version of traditional query processing given some join, project, and aggregate data), but, as we will discuss in this paper, also incorporates a number of other features designed to . Get Price

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  • TinyCasper: A PrivacyPreserving Aggregate Loion

    TinyCasper: A PrivacyPreserving Aggregate Loion

    monitor moving objects in wireless sensor networks while preserving their loion privacy. TinyCasper consists of two main modules, innetwork loion anonymization and aggregate query processing over anonymizedloions. Inthe rst module, trusted wireless sensor nodes collaborate with each other to anonymize users'' exact loions by a cloaked

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  • Query Processing in Sensor Networks

    Query Processing in Sensor Networks

    Queries Data 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 indie the sequence of steps involved in processing a query.

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  • Aggregate Query Processing In Wireless Sensor Network

    Aggregate Query Processing In Wireless Sensor Network

    aggregate query processing sensor networks. That is, TAG establishes hierarchical routing for the entire wireless sensor network in order to process aggregate queries in the network. 2.2 IWQE(Itinerarybased Window Query Execution) IWQE is a technique of aggregate query processing in network .

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  • Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless sensor networks$ Antonios Deligiannakisa, Yannis Kotidisb,, Nick Roussopoulosa aUniversity of Maryland, USA bDepartment of Information Systems and Analysis, AT&T LabsResearch, P.O. Box 971, Florham Park, NI 079320971, USA

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  • TinyCasper: A PrivacyPreserving Aggregate Loion

    TinyCasper: A PrivacyPreserving Aggregate Loion

    This demo presents a privacypreserving aggregate loion monitoring system, namely, TinyCasper,inwhichwecan monitor moving objects in wireless sensor networks while preserving their loion privacy. TinyCasper consists of two main modules, innetwork loion anonymization and aggregate query processing over anonymized loions.Inthe

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  • Interplay of processing and routing in aggregate query

    Interplay of processing and routing in aggregate query

    Interplay of processing and routing in aggregate query optimization for sensor networks Niki Trigoni Alexandre Guitton Antonios Skordylis Computing Laboratory, University of Oxford, Oxford OX1 3QD, UK Abstract. This paper presents a novel approach to processing continuous aggre

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  • An Aggregate Query Processing System For Wireless Network

    An Aggregate Query Processing System For Wireless Network

    2002127A simple aggregate query is an aggregate query without Group By and Having clauses a very popular class of queries in sensor networks 21. In this section we outline how to process such simple aggregate queries. Query processing strategies for more general queries are discussed in Section 5. 3.1 InNetwork Aggregation A query plan for a

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  • also aggregate data for query processing and the size of

    also aggregate data for query processing and the size of

    REQUEST: RegionBased Query Processing in Sensor Networks It is natural to group sensor nodes with regions of the same size. This is because, in required to construct a tree in order for the leader node to collect the data of Our query processing scheme is also related to aggregate queries in sensor.

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  • Aggregate query processing in the presence of duplies

    Aggregate query processing in the presence of duplies

    In addition, when the sensing areas of sensor nodes are disjoint, the coordinator of each sensor becomes itself and we perform traditional aggregate query processing. Thus, the problem we are considering is a generalization of the traditional innetwork aggregation problem.

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  • Assembling regions for efficacious aggregate query

    Assembling regions for efficacious aggregate query

    Assembling regions for efficacious aggregate query processing in wireless sensor networks by apostolos fertis in order to be able to manage energy and time efficiently in sensor networks, we have to develop protocols that synchronize the cooperatio. View All Caps energy

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  • Optimizing parallel itineraries for knn query processing

    Optimizing parallel itineraries for knn query processing

    Spatial queries for extracting data from wireless sensor networks are important for many appliions, such as environmental monitoring and military surveillance. One such query is K Nearest Neighbor (KNN) query that facilitates sampling of monitored sensor data in correspondence with a given query loion. Recently, itinerarybased KNN query processing techniques, that propagate queries and

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  • LNCS 3882 Processing Multiple Aggregation Queries in

    LNCS 3882 Processing Multiple Aggregation Queries in

    Processing Multiple Aggregation Queries in GeoSensor Networks 21 sensors close to the users serving as access points. With existing techniques, individual queries can be processed by forming independent routing trees with access points as the roots. Due to independent topologies, the aggregatedresults

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  • Routing and Processing Multiple Aggregate Queries  CORE

    Routing and Processing Multiple Aggregate Queries CORE

    This paper presents a querydriven approach to routing and processing continuous aggregate queries in sensor networks. Given a query workload and a specialpurpose gateway node where results are expected, the query optimizer exploits query correlations in order to generate an energyefficient distributed evaluation plan.

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  • definition of aggregate query processing

    definition of aggregate query processing

    aggregate query processing in peer to peer abstract. aggregate query processing definition, optimizing aggregate queries in cache request regionbased query processing in sensor networks. the processing of grouped aggregate queries. however, since a region in our approach is defined as a .. inside a circle having a diameter d by definition 1

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  • PROCESSING APPROXIMATE AGGREGATE QUERIES IN WIRELESS

    PROCESSING APPROXIMATE AGGREGATE QUERIES IN WIRELESS

    The majority of these efforts focuses on answering aggregate queries, which are of great importance to surveillance appliions [1], [2] and on enabling innetwork processing by combining

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  • Interplay of Processing and Routing in Aggregate Query

    Interplay of Processing and Routing in Aggregate Query

    Interplay of Processing and Routing in Aggregate Query Optimization for Sensor Networks

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  • Robust and Efficient Aggregate Query Processing in

    Robust and Efficient Aggregate Query Processing in

    Robust and Efficient Aggregate Query Processing in Wireless Sensor Networks Article in Mobile Networks and Appliions 13(12):212227 · April 2008 with 37 Reads How we measure ''reads''

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  • Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless

    Dec 01, 2006 · Read "Processing approximate aggregate queries in wireless sensor networks, Information Systems" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.

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  • TinyCasper: A PrivacyPreserving Aggregate Loion

    TinyCasper: A PrivacyPreserving Aggregate Loion

    This demo presents a privacypreserving aggregate loion monitoring system, namely, TinyCasper,inwhichwecan monitor moving objects in wireless sensor networks while preserving their loion privacy. TinyCasper consists of two main modules, innetwork loion anonymization and aggregate query processing over anonymized loions.Inthe

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  • Poster Abstract: Routing and Processing Multiple Aggregate

    Poster Abstract: Routing and Processing Multiple Aggregate

    We present a novel approach to processing continuous aggregate queries in sensor networks, which lifts the assumption of treebased routing. Given a query workload and a specialpurpose gateway node where results are expected, the query optimizer exploits query correlations in order to generate an energyefcient distributed evaluation plan.

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  • An Aggregate Query Processing System For Wireless Network

    An Aggregate Query Processing System For Wireless Network

    2002127A simple aggregate query is an aggregate query without Group By and Having clauses a very popular class of queries in sensor networks 21. In this section we outline how to process such simple aggregate queries. Query processing strategies for more general queries are discussed in Section 5. 3.1 InNetwork Aggregation A query plan for a

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  • Processing EventMonitoring Queries in Sensor Networks

    Processing EventMonitoring Queries in Sensor Networks

    This is a paradigm of innetwork processing that can be applied to nonaggregate queries as well [7]. In this paper we concentrate on building and maintaining efficient data collection trees that will provide the conduit to disseminate all data required for processing many concurrent queries in a sensor network, including longterm

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  • Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless

    Innetwork data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an aggregation tree, in which parent nodes aggregate the values received from their

    Get Price
  • Processing Approximate Aggregate Queries in Wireless

    Processing Approximate Aggregate Queries in Wireless

    CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Innetwork data aggregation has been recently proposed as an e#ective means to reduce the number of messages exchanged 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

    Get Price
  • IJA: An Efficient Algorithm for Query Processing in Sensor

    IJA: An Efficient Algorithm for Query Processing in Sensor

    Sensor nodes are generally highly constrained, in particular regarding their energy and memory resources. While simple queries such as SELECT and AGGREGATE queries in wireless sensor networks have been addressed in the literature, the processing of join queries in sensor networks remain to be investigated.

    Get Price
  • Robust and Efficient Aggregate Query Processing in

    Robust and Efficient Aggregate Query Processing in

    Wireless sensor networks have been widely used in many appliions, such as soil temperature monitoring for plant growth and abnormal event detection of industrial parameters. Among these appliions, aggregate queries, such as SUM, COUNT, AVERAGE, MIN and MAX are often used to collect statistical data.

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  • Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless sensor networks$ Antonios Deligiannakisa, Yannis Kotidisb,, Nick Roussopoulosa aUniversity of Maryland, USA bDepartment of Information Systems and Analysis, AT&T LabsResearch, P.O. Box 971, Florham Park, NI 079320971, USA

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  • aggregate quarry processing sensor networks

    aggregate quarry processing sensor networks

    aggregate query processing in sensor networks YouTube. May 28, 2018· In the large network, 1681 (= 41 2) sensor nodes were distributed in a sensing field sized 16,000,000 m 2.aggregate query processing in sensor networksWireless Sensor Networks: Issues, Challenges.

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  • Routing and Processing Multiple Aggregate Queries in

    Routing and Processing Multiple Aggregate Queries in

    This paper presents a querydriven approach to routing and processing continuous aggregate queries in sensor networks. Given a query workload and a specialpurpose gateway node where results are expected, the query optimizer exploits query correlations in order to generate an energyefficient distributed evaluation plan.

    Get Price
  • aggregate quarry processing sensor networks

    aggregate quarry processing sensor networks

    aggregate query processing in sensor networks YouTube. May 28, 2018· In the large network, 1681 (= 41 2) sensor nodes were distributed in a sensing field sized 16,000,000 m 2.aggregate query processing in sensor networksWireless Sensor Networks: Issues, Challenges.

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  • Aggregate Loion Monitoring for Wireless Sensor Networks

    Aggregate Loion Monitoring for Wireless Sensor Networks

    loionbased query processing in wireless sensor networks. However, since all previous works in this area rely on users'' exact loions and/or identities, none of these works consider query processing over aggregate loion data. Spatiotemporal histograms. Research efforts for spatiotemporal histograms aim to provide selectivity

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  • Query Processing for Sensor Networks Cornell University

    Query Processing for Sensor Networks Cornell University

    3 Simple Aggregate Query Processing A simple aggregate query is an aggregate query without Group By and Having clauses, a very popular class of queries in sensor networks [21]. In this section we outline how to process such simple aggregate queries. Query processing strategies for more general queries are discussed in Section 5. 3.1 InNetwork

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  • Processing Approximate Aggregate Queries in Wireless

    Processing Approximate Aggregate Queries in Wireless

    CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Innetwork data aggregation has been recently proposed as an e#ective means to reduce the number of messages exchanged 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

    Get Price
  • aggregate query processing in peer to peer networks 2013

    aggregate query processing in peer to peer networks 2013

    aggregate query processing in peer to peer networks 2013. AS a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any sizereduction requirements, including quarry, aggregate, grinding production and complete stone crushing plant.

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  • Accuracy vs. Lifetime: Linear Sketches for Aggregate

    Accuracy vs. Lifetime: Linear Sketches for Aggregate

    gate queries over sensor networks in an energy–efficient manner. From the databases perspective, in–network aggregation provides a mechanism for evaluating aggregate queries over sensor networks. The common approach to (aggregate) query processing in sensor networks has two phases: the dissemination phase and the aggregation phase. For

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  • TinyCasper: A PrivacyPreserving Aggregate Loion

    TinyCasper: A PrivacyPreserving Aggregate Loion

    This demo presents a privacypreserving aggregate loion monitoring system, namely, TinyCasper,inwhichwecan monitor moving objects in wireless sensor networks while preserving their loion privacy. TinyCasper consists of two main modules, innetwork loion anonymization and aggregate query processing over anonymized loions.Inthe

    Get Price
  • Poster Abstract: Energy›Efcient Data Organization and

    Poster Abstract: Energy›Efcient Data Organization and

    Recent sensor networks research has produced a class of data storage and query processing techniques called DataCentric Storage that leverages localitypreserving distributedindexes like DIM,DIFS, and GHT to efciently answer multidimensional range and rangeaggregate queries. These distributed indexes offer a rich design

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  • Innetwork Query for Wireless Sensor Networks CORE

    Innetwork Query for Wireless Sensor Networks CORE

    Recently, innetwork aggregate query processing techniques have problems such as high energy consumption in sensor nodes, low accuracy of query processing results, and long query processing time. In order to solve these problems and to enhance the efficiency of aggregate query processing in wireless sensor networks, this paper proposes In

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  • aggregate query processing in sensor networks

    aggregate query processing in sensor networks

    REQUEST: RegionBased Query Processing in Sensor Networks . Only a few approaches proposed the processing of grouped aggregate queries. However, since groups in their approaches are disjoint, some relevant regions to the query can be missing. In this paper, we propose REQUEST, regionbased query processing in sensor networks.

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  • aggregate quarry processing sensor networks

    aggregate quarry processing sensor networks

    The Design of an Acquisitional Query Processor For Sensor Networks ∗ tend to view query processing in sensor networks simply as a powerconstrained version of traditional query processing given some join, project, and aggregate data), but, as we will discuss in this paper, also incorporates a number of other features designed to . Get Price

    Get Price
  • An Aggregate Query Processing System For Wireless Network

    An Aggregate Query Processing System For Wireless Network

    2002127A simple aggregate query is an aggregate query without Group By and Having clauses a very popular class of queries in sensor networks 21. In this section we outline how to process such simple aggregate queries. Query processing strategies for more general queries are discussed in Section 5. 3.1 InNetwork Aggregation A query plan for a

    Get Price
  • InNetwork Execution of Monitoring Queries in Sensor

    InNetwork Execution of Monitoring Queries in Sensor

    sensor networks. Users acquire interesting data by issuing SQLlike queries while the underlying data retrieval and collection processes are transparent to them. Many of the early works on query processing in sensor networks have focused on aggregate queries such as COUNT, SUM and MAX, and have developed innetwork aggregation techniques that sig

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