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Aggregate Query Processing In Sensor Networks

Aggregate query processing in the presence of duplicatesaggregate query processing in the presence of duplicatesWireless sensor networks wsns have received increasing attention in the past decade in existing studies for query processing of wsns each sensor node measures environmental parameters such as, aggregate query processing in sensor networks

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  • Routing And Processing Multiple Aggregate Queries In

    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 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 energyefficient distributed evaluation plan

    read more
  • Chashi

    Chashi

    Processing approximate aggregate queries in wireless processing approximate aggregate queries in wireless sensor networks while the nodes in sensor networks form an aggregation tree where messages are aggregated and therefore y yao j gehrkethe cougar approach to innetwork query processing in sensor networks

    read more
  • 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

    read more
  • 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

    read more
  • Aggregate Query Processing In The Presence Of Duplicates

    Aggregate Query Processing In The Presence Of Duplicates

    Wireless sensor networks wsns have received increasing attention in the past decade in existing studies for query processing of wsns each sensor node measures environmental parameters such as

    read more
  • Query Processing For Sensor Networks

    Query Processing For Sensor Networks

    We introduce our model of a sensor network sensor data and the class of queries that we consider in this paper we then demonstrate our algorithms to process simple aggregate queries with innetwork aggregation section 3 and investigate the interaction between the routing layer and the query

    read more
  • Energyefficient Aggregate Query Evaluation In Sensor Networks

    Energyefficient Aggregate Query Evaluation In Sensor Networks

    Dec 13 2005 this paper considers the aggregate query evaluation in a sensor network database with the objective to prolong the network lifetime we first propose an algorithm by introducing a node capability concept that balances the residual energy and the energy consumption at each node so that the network lifetime is prolonged

    read more
  • 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 aggregate queries in sensor networks which lifts the assumption of tree

    read more
  • Query Privacy Preserving For Data Aggregation In Wireless

    Query Privacy Preserving For Data Aggregation In Wireless

    Wireless sensor networks wsns are increasingly involved in many applications however communication overhead and energy efficiency of sensor nodes are the major concerns in wsns in addition the broadcast communication mode of wsns makes the network vulnerable to privacy disclosure when the sensor nodes are subject to malicious behaviours

    read more
  • Robust Management Of Outliers In Sensor Network Aggregate

    Robust Management Of Outliers In Sensor Network Aggregate

    Sensor networks are increasingly applied for monitoring diverse environments and applications due to their unsupervised nature of operation and inexpensive hardware used sensor nodes may furnish readings of rather poor quality we thus need to devise techniques that can withstand dirty data during query processing

    read more
  • Optimized Query Processing For Wireless Sensor

    Optimized Query Processing For Wireless Sensor

    Sensor networks is similar to saving and query processing in conventional database although infrastructure property and data properties of sensor networks is different with a central database system complementally 1 we use declarative query in interaction networking declarative query playas an interface role user able

    read more
  • Caps Energyefficient Processing Of Continuous Aggregate

    Caps Energyefficient Processing Of Continuous Aggregate

    Caps energyefficient processing of continuous aggregate queries in sensornetworkswen huuniversity of new south walesnational ict australia limitedwenharchan misraibmtjwatson research centernextgen web infrastructure deptarchanrajeev shoreyibm india research laboratoryabstractin this paper we design and

    read more
  • Efcient Iceberg Query Processing In Sensor Networks

    Efcient Iceberg Query Processing In Sensor Networks

    In a sensor network environment sensor nodes have very limited battery resources therefore minimizing the energy consumption is the most important issue in sensor networks one main strategy for reducing the energy consumption is to do some query processing tasks in the network as suggested by sharaf et al 9 andyao and gehrke 10 the

    read more
  • 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

    read more
  • Chashi

    Chashi

    Processing approximate aggregate queries in wireless processing approximate aggregate queries in wireless sensor networks while the nodes in sensor networks form an aggregation tree where messages are aggregated and therefore y yao j gehrkethe cougar approach to innetwork query processing in sensor networks

    read more
  • Routing And Processing Multiple Aggregate Queries In

    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 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 energyefficient distributed evaluation plan

    read more
  • Efficient Aggregation Processing In The Presence Of

    Efficient Aggregation Processing In The Presence Of

    Such detection of duplicates by several sensor nodes makes the innetwork query evaluation very problematic to alleviate the drawback of observing multiple sensing values for an identical object deduplication of the duplicately observed objects by several sensor nodes is critical for aggregate query processing

    read more
  • Processing Approximate Aggregate Queries In Wireless

    Processing Approximate Aggregate Queries In Wireless

    Routing 4 26 and innetwork query processing 14 15 16 28 a survey of the applications and the challenges that sensor networks introduce is presented in 10 for monitoring queries that aggregate the observed values from a group of sensor nodes 14 suggested the construction of a greedy aggregation tree that seeks to maximize the

    read more
  • Query Processing For Sensor Networks

    Query Processing For Sensor Networks

    To ensure that the query processing layer is tightly integrated with the networking layer second the notion of the cost of a query plan has changed as the critical resource in a sensor network is power and query optimization and query processing have to

    read more
  • Efcient Iceberg Query Processing In Sensor Networks

    Efcient Iceberg Query Processing In Sensor Networks

    In a sensor network environment sensor nodes have very limited battery resources therefore minimizing the energy consumption is the most important issue in sensor networks one main strategy for reducing the energy consumption is to do some query processing tasks in the network as suggested by sharaf et al 9 andyao and gehrke 10 the

    read more
  • Energyefficient Data Organization And Query Processing In

    Energyefficient Data Organization And Query Processing In

    Recent sensor networks research has produced a class of data storage and query processing techniques called datacentric storage that leverages localitypreserving distributed indexes to efficiently answer multidimensional range and rangeaggregate queries these distributed indexes offer a rich design space of a logical decompositions of sensor relation schema into indexes as well as b

    read more
  • Optimized Query Processing For Wireless Sensor

    Optimized Query Processing For Wireless Sensor

    Sensor networks is similar to saving and query processing in conventional database although infrastructure property and data properties of sensor networks is different with a central database system complementally 1 we use declarative query in interaction networking declarative query playas an interface role user able

    read more
  • Tinycasper A Privacypreserving Aggregate Location

    Tinycasper A Privacypreserving Aggregate Location

    Niques designed for wireless sensor networks on the other side the aggregate query processing module is embedded inside the server to support aggregate query processing over anonymized locations tinycasper system administrators can change the privacy requirement ie kanonymity requirement at anytime finally system users can issue snap

    read more
  • Aggregate Query Processing In Peer To Peer Networks

    Aggregate Query Processing In Peer To Peer Networks

    Aggregate query processing in peer to peer networks with synopsis designing a superpeer network stanford university a superpeeris a node in a peertopeer network that operates both as a server to a set of clients and as an equal in a network of superpeers superpeer networks strike a balance between the inherent efciency of

    read more
  • Continuous Quantile Query Processing In Wireless

    Continuous Quantile Query Processing In Wireless

    Of the entire network aggregate queries eg average minimum maximum and count are useful when analysing large quantities of data which is something a wsn is expected to produce over time innetwork aggregation can be optimized to decrease the energy consumption of such types of aggregate queries in a wsn 17

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  • The Design And Evaluation Of A Query Processing

    The Design And Evaluation Of A Query Processing

    The design and evaluation of a query processing architecture for sensor networks by samuel ross madden doctor of philosophy in computer science university of california berkeley professor michael j franklin chair with the advent of small batterypowered wireless computing and sensing technology it is

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  • Asynchronous Innetwork Prediction Efficient Aggregation

    Asynchronous Innetwork Prediction Efficient Aggregation

    Abstract given a sensor network and aggregate queries over the values sensed by subsets of nodes in the network how do we ensure that high quality results are served for the maximum possible timequest the issues underlying this question relate to the fidelity of query results and lifetime of the network

    read more
  • Caps Energyefficient Processing Of Continuous Aggregate

    Caps Energyefficient Processing Of Continuous Aggregate

    In this paper we design and evaluate an energy efficient data retrieval architecture for continuous aggregate queries in wireless sensor networks we show how the modification of precision in one sensor affects the samplereporting frequency of other sensors and how the precisions of a group of sensors may be collectively modified to achieve the target quality of information qoi with

    read more

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