distributed query processing algorithm
Query Processing in Distributed Data Warehouse using Proposed Dynamic Task Dependency Scheduling Algorithm
... In distributed data warehouse, data can be shared across multiple data ...organizations. Query sorting is the problem of formatting the number of queries to be selected ...(DTDS) Algorithm for ...
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Efficient Top-k Query Processing Algorithms in Highly Distributed Environments
... in query processing and the research objective is to reduce the data access on each node and data transfer among ...a distributed extension of TA, and used Bloom Filter to improve its ...TPUT ...
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Partitioning of Query Processing in Distributed Database System to Improve Throughput
... parallel processing of a ...for processing disbursed queries; in which all of the non fragmented relations are referenced by a ...dependency algorithm is offered to improve FRS strategy, but the ...
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Database Optimization Using Genetic Algorithms for Distributed Databases
... structured query language ...time. Query optimization is one of the major functionality in database management systems ...the query optimization is to determine the most efficient and effective way ...
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Institut für Informatik der Technischen Universität München. MISTRAL: Processing Relational Queries using a Multidimensional Access Technique
... non-uniformly distributed universes we propose a modification of the range query algorithm and a caching technique, the so called ...Tetris algorithm is a generalization of the ...
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Novel Distributed Query Optimization Model and Hybrid Query Optimization Algorithm
... similar, distributed query optimization process was implemented around 1990s, a time at which communication over a network was prohibitively expensive and computer equipment was not cheap enough to be ...
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Multi-Objective Optimization-Based Query Optimizer For Distributed Database Management Systems
... the algorithm progresses, the concentration of pheromone increases because of Positive Feedback Mechanism and the algorithm converges to generate an optimal ...a query optimizer for ...
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DIM: a distributed air index based on MapReduce for spatial query processing in road networks
... spatial query processing algorithms to sup- port Mobile Continuous Nearest Neighbor Query (MCNNQ) in wireless broadcast ...proposed algorithm does not require any conventional spatial index ...
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QoS Aware Query Processing Algorithm for Wireless Sensor Networks
... Query processing is employed to retrieve sensor data from the network ...and query plans are ...One query may eventually be distributed to only a small set of sensor nodes for ...
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RkNN Query Processing in Distributed Spatial Infrastructures: A Performance Study
... The third experiment aims to measure the speedup of the RkNNQ MapRe- duce algorithms, varying the number of computing nodes (nodes). The right chart of Figure 2 shows the impact of different number of computing nodes on ...
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A Distributed Energy Efficient Query Processing in Self-Organized Wireless Sensor Networks
... Abstract—Spatial query execution is an essential functionality of a sensor ...a query is to self-organize the network, in response to a query, into a topology that involves only a small subset of the ...
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A Survey on Untrusted Location Based Service Providers Using Secure Spatial Top K Query Processing
... moving query region or when a new POI appears in the moving query region, which has an attribute-q rating higher than the lowest among the current top-k ...top-k query for the current query ...
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A REVIEW ON VIRTUAL DATABASE SYSTEM USING MAP-REDUCE TECHNOLOGY
... Apache Hadoop is an open source software framework that supports data-intensive distributed applications. It enables applications to work with thousands of computational independent computers and petabytes of ...
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An Optimization for Distributed Database Multi join Query Based on Improved Genetic Algorithm
... common query, a multi-join query in distributed database is relatively complex because it has to take into account not only the case that different tables are distributed at different sites, ...
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Data Dissemination and Parallel Processing Techniques Research Based on Massively Parallel Processing
... Parallel Processing (MPP) architecture can address these challenges through distributed storage and querying across multiple nodes and processes [4, ...database processing, complex weather modeling ...
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Performing Customer Behavior Analysis using Big Data Analytics
... a distributed processing framework named MapReduce and a distributed file system known as the Hadoop distributed file system, or ...its distributed file system, the other subprojects ...
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A Survey on Association Rule Mining Algorithm and Architecture for Distributed Processing
... A large frequent item set is an item set whose number of occurrences is above threshold, s. Once the large item sets have been found, we know that any interesting association rule X→Y, must have X U Y in this set of ...
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A Distributed Framework for Spatio Temporal Data Streams Processing through Continuous Query Process
... International Journal of Scientific Research in Computer Science, Engineering and Information Technology CSEIT11831472 | Received 16 Feb 2018 | Accepted 28 Feb 2018 | January February 2018 [(3) 2 124[.] ...
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Implementing REA Algorithm to Increase Performance of the Encrypted Databases While Query Processing
... encryption algorithm, “Reverse Encryption Algorithm (REA)”, because of its simplecontext and efficient ...REA algorithm is lowering the added time cost for encryption and decryption so as to not ...
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Scalable Search System based on Metadata in Large Scale Wireless Networks
... the query service as we expect. Locality based distributed Data search system (LORD) is been used in our paper in order to overcome this ...metadata query from the user node, the file will be fetched ...
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