distributed query
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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Distributed query execution system for Transactional Database using Lookup Table
... Abstract- As data volumes are incrementing rigorously, it is essential to store such large amount of data distributed across many machines. In OLTP databases, the most common strategy for scaling database workload ...
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Static vs Dynamic Techniques for Selectivity Evaluation in Distributed Query Optimization
... years, Distributed database systems design and query optimization has been an active studied area of database system research ...[1]. Query optimization refers to the process of ensuring that either ...
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Efficient and Distributed Query Answering System based on Social Networks
... and distributed Query Answering system based on social ...lightweight distributed answerer search, while still enables a node to accurately identify its friends that can answer a ...fully ...
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Distributed Query Layer and Metadata Report
... a query image in the message sent to the SRW ...the query ontology described in the ARTISTE Core RDF schema (Section ...ARTISTE query. If the SRW request contains an image content based query ...
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Distributed Query Execution With Strong Privacy Guarantees
... symmetric homomorphic encryption scheme, which can aggregate encrypted data at an unprecedented scale. Second, we present a way to efficiently perform secure computations on distributed graphs. To accomplish this, ...
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Title: A Framework for Optimizing Distributed Database Queries Based on Stochastic Fractal Search
... a distributed query processing first of all initial query is decomposed into fragment queries which operate on fragments rather than on global relation(data ...A Query Optimizer is used to ...
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A Distributed Storage and Query Subsystem for Collaborative Data Sharing
... peer-to-peer query engines, we suffer from the general problems in wide- area distributed systems of higher lag times, constrained bandwidth, and generally bursty commu- ...of distributed query ...
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Reducing Execution Time of Distributed SELECT Query in Heterogeneous Distributed Database using Genetic Algorithm
... Genetic Algorithm is an evolutionary algorithm generally used to find an optimal solution among multiple solutions to the problem. It uses crossover and mutation operation for finding multiple solutions for given ...
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Query Optimization Strategies in Distributed Databases
... Significant amount of work has been carried out on generating optimal solutions for Join Order of the query. The Randomized strategies [18] definitely reduce the cost of the query optimization but they have ...
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Sub-query Fragmentation for Query Analysis and Data Caching in the Distributed Environment
... proposed distributed query scheduling policies in the grid ...employing distributed multidimensional indexing structures and an expo- nential moving average approach to predict future cache ...
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A DISTRIBUTED COMPLEX EVENT PROCESSING METHOD BASED ON EVENT STREAM PARTITION.
... the query language SASE+ for describing the complex event, and which filters and associates the event streams in real ...a query plan-based approach to effectively implement complex event ...a ...
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DIM: a distributed air index based on MapReduce for spatial query processing in road networks
... spatial query processing ...fully distributed structure that naturally shares links in different search ...spatial query processing in road networks via wireless broadcast and propose multiple ...
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ASSESSING LEARNING PARADIGMS IN TEXT CLASSIFICATION
... The distributed query optimization has several problems related to cost model, large set of queries, optimization cost and optimization ...of Query Optimization in Heterogeneous Distributed ...
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Enhanced Distributed Dynamic Skyline Query for Wireless Sensor Networks
... are distributed uniformly through every sector and hence each possible sector (in this case, an average nine neighboring sectors) needed to be scanned to find the target ...
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A Distributed Representation Based Query Expansion Approach for Image Captioning
... As mentioned earlier, a number of studies pose im- age captioning as a caption transfer problem by relying on the assumption that visually similar im- ages generally contain very similar captions. The pioneering work in ...
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Partitioning of Query Processing in Distributed Database System to Improve Throughput
... in query processing , the throughput of a query processing with a mapping arrangement MpC is the minimum value of a set of computation and communication ...
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Building Distributed Chronicles for Fault Diagnostic in Distributed Systems using Continuous Query Language (CQL)
... Some studies have used the formalism of chronicles for fault diagnosis [1, 2, 3, 4], but little has been carried out in a distributed context. The closest approach to our proposal provides a mechanism for ...
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Query Performance Appraisal using SPARQL & Map Reduce Technique on Web Semantics
... RDF query languages to query such data, and SPARQL is one of ...a Query Performance Appraisal using SPARQL & Map Reduce Technique on Web Semantics model of parallelization and hypothesize that ...
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THREE TIER CACHE BASED QUERY OPTIMIZATION MODEL IN DISTRIBUTED DATABASE
... This figure shows how DCA technique is efficient in improving Query optimization as compared to old schemes. In existing schemes[6], processing time for executing the requested pages increases in the same ratio as ...
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