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aggregate query processing sensor networks

between sensor networks and traditional distributed database systems Most related is work on distributed aggregation but existing approaches do not consider the physical limitations of sensor networks 33 38 Aggregate operators are classified by their properties by Gray et al 10 and an extended classification with

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  • aggregate query processing meaning

    aggregate query processing meaning

    Query Processing in Sensor Networks A smart sensor queryprocessing architecture using database technology can facilitate deployment of sensor The term “virtual” means that these rows and columns are floor Figure 3 Sensor network executing a simple aggregate query Read More

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  • Robust and Efficient Aggregate Query Processing in

    Robust and Efficient Aggregate Query Processing in

    May 08 2008 · 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 Due to the low quality sensing devices or random environmental disturbances sensor

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  • Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless sensor networks ☆ 1 Introduction Densely distributed sensor networks are used in a variety 2 Related work The development of powerful and inexpensive sensors in recent years has spurred 3 Innetwork data aggregation Depending on

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  • PDF Aggregate Queries in Wireless Sensor Networks

    PDF Aggregate Queries in Wireless Sensor Networks

    of aggregate quer y processing in w ireless sensor networks this paper proposes Buck etbased P arallel Aggregation BP A BP A divides a query region into several cells according to the dist

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  • Robust and Efficient Aggregate Query Processing in

    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 Due to the low quality sensing devices or random environmental disturbances sensor

    More Details
  • aggregate query processing meaning

    aggregate query processing meaning

    Query Processing in Sensor Networks A smart sensor queryprocessing architecture using database technology can facilitate deployment of sensor The term “virtual” means that these rows and columns are floor Figure 3 Sensor network executing a simple aggregate query Read More

    More Details
  • 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

    As of the wireless sensor the network is limited therefore the effective use of energy becomea core problem in the sensor s network query data query processing technology T is analyze d and researched based on the key technology of network system in this the query and data collection for a process thus reducing

    More Details
  • 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

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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 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

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  • Aggregate query processing in the presence of duplicates

    Aggregate query processing in the presence of duplicates

    Request PDF Aggregate query processing in the presence of duplicates in wireless sensor networks Wireless sensor networks WSNs have received

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  • Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless

    Processing approximate aggregate queries in wireless sensor networks Article in Information Systems 318770792 · December 2006 with 56 Reads How we measure reads

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  • Optimized Query Processing for Wireless Sensor

    Optimized Query Processing for Wireless Sensor

    Optimized Query Processing for Wireless Sensor Networks d a 1 I NTR ODUCI Recently sensor networks are used in various domains of computer applications 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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  • TinyDB An Acquisitional Query Processing System for

    TinyDB An Acquisitional Query Processing System for

    TinyDB An Acquisitional Query Processing System for Sensor Networks1 SAMUEL R MADDEN of the power utilization of major elements of sensor network query processing the results of this study are given in Appendix A In short we found that in a typical data collection When processing aggregate queries some care must be taken to

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  • Secure pattern based aggregation using query processing

    Secure pattern based aggregation using query processing

    Abstract Data aggregation is the technique used togather the sensor data to reduce the duplicate data transmission It is an effectual approach for Wireless Sensor Networks WSNs to save energy and prolong network life time Existing Reliable Spatial Window Aggregation RESA query processing algorithm proposed to reduce packet loss rate during data communication and balance the load of

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  • Poster Abstract Routing and Processing Multiple Aggregate

    Poster Abstract Routing and Processing Multiple Aggregate

    Treebased routing is an energyefficient technique for evaluating aggregate queries in sensor networks since it enables partial aggregation of results in their way to the root

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  • Effective processing of continuous groupby aggregate

    Effective processing of continuous groupby aggregate

    To effectively 1 process continuous groupby aggregate queries in sensor networks we consider the following two factors • Approximate processing A sensor gets sensor readings from the device However no matter how much the device is advanced there are gaps between real values and sensor

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  • Accuracy Vs Lifetime Linear Sketches for Appoximate

    Accuracy Vs Lifetime Linear Sketches for Appoximate

    Sensor network applications 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 202123 The common approach to query processing in sensor networks has two phases

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  • Aggregate Query Processing In Sensor Networks

    Aggregate Query Processing In Sensor Networks

    11 query answering in sensor networks sensor networks answer queries by finding the nodes which collect the relevant information and by combining their observations this requires that data has to be propagated to the node which will produce the answerAggregate query processing in sensor networks

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  • aggregate query processing meaning

    aggregate query processing meaning

    Query Processing in Sensor Networks A smart sensor queryprocessing architecture using database technology can facilitate deployment of sensor The term “virtual” means that these rows and columns are floor Figure 3 Sensor network executing a simple aggregate query Read More

    More Details
  • Robust and Efficient Aggregate Query Processing in

    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

    More Details
  • Systolic Query Processing for Aggregation in Sensor Networks

    Systolic Query Processing for Aggregation in Sensor Networks

    But for long running queries the messages communicated in pipelined architecture are even less than the normal count of messages in any query processing methodology in sensor networks as also pointed out in previous work

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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 eective 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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  • an aggregate query processing system for wireless network

    an aggregate query processing system for wireless network

    As of the wireless sensor the network is limited therefore the effective use of energy becomea core problem in the sensor s network query data query processing technology T is analyze d and researched based on the key technology of network system in this the query and data collection for a process thus reducing

    More Details
  • REQUEST RegionBased 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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  • 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

    More Details
  • TinyDB An Acquisitional Query Processing System for

    TinyDB An Acquisitional Query Processing System for

    Acquisitional Query Processing In Sensor Networks • 125 Section 6 discusses our adaptive powersensitive model for query execution and result collection 2 SENSOR NETWORK OVERVIEW We begin with an overview of some recent sensor network deployments and then discuss properties of sensor nodes and sensor networks in general provid

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  • TinyCasper A PrivacyPreserving Aggregate Location

    TinyCasper A PrivacyPreserving Aggregate Location

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

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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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  • The Design of an Acquisitional Query Processor For

    The Design of an Acquisitional Query Processor For

    In this paper we are concerned with query processing in sensor networks Researchers have noted the benefits of a query processorlike interface to sensor networks and the need for sensitivity to limited power and computational resources 27 33 41 48 34 Prior systems however tend to view query processing in sensor networks simply as a

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  • Routing and Processing Multiple Aggregate Queries

    Routing and Processing Multiple Aggregate Queries

    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

    More Details
  • Query Privacy Preserving for Data Aggregation in Wireless

    Query Privacy Preserving for Data Aggregation in Wireless

    Finally the nodes aggregate multiple replies into a single packet which is transmitted to BS hopbyhop “SafeQ secure and efficient query processing in sensor networks” in Proceedings of the International Conference on Information Communications pp 2642–2650 San Diego CA

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