Keywords: بهینه سازی پرس و جو; Parallel distributed framework; Theta-join algorithm; Query optimization; Large scale data processing;
مقالات ISI بهینه سازی پرس و جو (ترجمه نشده)
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Keywords: بهینه سازی پرس و جو; Constraint satisfaction problems; AI; Optimization problems; Structural decomposition methods; Tree projections; Parallel models of computation; Conjunctive queries; Query optimization; Database theory;
Keywords: بهینه سازی پرس و جو; Robust nearest neighbor join; Similarity join; Sort merge; Query optimization; Column-store; PostgreSQL;
Keywords: بهینه سازی پرس و جو; Complex Event Processing; Query optimization; Consistency; Internet of Things (IoT); Big data; Semantic web; Knowledge-base; Real-time processing; Reliability;
Keywords: بهینه سازی پرس و جو; Join ordering problem; Query optimization; Multi-agent system; Evolutionary algorithm; Heuristics
Keywords: بهینه سازی پرس و جو; Wireless body area network; WBAN; Cloud computing; Real-time database management; Query estimation; Query optimization
Keywords: بهینه سازی پرس و جو; Cost model; Cloud; Query optimization; Data flow
Keywords: بهینه سازی پرس و جو; Big data; Index; Key-value stores; MapReduce; Approximation; Query optimization
Keywords: بهینه سازی پرس و جو; Co-processing; Query processing; Query optimization
Keywords: بهینه سازی پرس و جو; Semantic integration; Aggregation; Query optimization
Keywords: بهینه سازی پرس و جو; Join-aggregate query; MapReduce; Query optimization; RPK-table; Communication cost
The Merkurion approach for similarity searching optimization in Database Management Systems
Keywords: بهینه سازی پرس و جو; Similarity searching; Query optimization; Selectivity estimation; Design and implementation techniques;
DGReLab+: Improving XML Path Query Processing by Avoiding Buffering Irrelevant Results
Keywords: بهینه سازی پرس و جو; XML; Node Labeling; Annotation; Query Optimization; Path Query Processing;
A green framework for DBMS based on energy-aware query optimization and energy-efficient query processing
Keywords: بهینه سازی پرس و جو; Green database; Query optimization; Energy saving; Energy efficiency; Query-plan evaluation; Energy-aware;
RQL: A Query Language for Rule Discovery in Databases
Keywords: بهینه سازی پرس و جو; Query languages; Formal concept analysis; Implications; Functional dependencies; Query optimization; Relational calculus;
Selectivity estimation of extended XML query tree patterns based on prime number labeling and synopsis modeling
Keywords: بهینه سازی پرس و جو; Selectivity estimation; XML query; Query optimization; XML synopsis; Prime number labeling; Extended query tree patterns
Design and analysis of stochastic DSS query optimizers in a distributed database system
Keywords: بهینه سازی پرس و جو; Query optimization; Total Costs; DSS; Stochastic approach, entropy; Genetic Algorithms
RG-index: An RDF graph index for efficient SPARQL query processing
Keywords: بهینه سازی پرس و جو; RDF; SPARQL; Query optimization; Triple filtering; Intermediate results
Semantic-based Structural and Content indexing for the efficient retrieval of queries over large XML data repositories
Keywords: بهینه سازی پرس و جو; Query optimization; Index; Query processing; Objects; Semantic; XML; Twig query
Efficient co-processor utilization in database query processing
Keywords: بهینه سازی پرس و جو; Query optimization; Learning-based decision model; Database co-processing; Modern hardware architectures; In-memory databases
Bichromatic buckets: An effective technique to improve the accuracy of histograms for geographic data points
Keywords: بهینه سازی پرس و جو; Database theory; Spatial data processing; Query optimization; Selectivity estimation; Histograms
Semantic query optimization in the presence of types
Keywords: بهینه سازی پرس و جو; Systems – relational databases; Query processing; Query optimization; Types; Constraints; Chase
Agent-based web search personalization approach using dynamic user profile
Keywords: بهینه سازی پرس و جو; Web search personalization; Dynamic user profile; Query optimization; Multi-agent system
Incremental maintenance of materialized views with outerjoins
Keywords: بهینه سازی پرس و جو; Outerjoin views; Incremental maintenance; View maintenance; Materialized views; Immediate materialized views; Query optimization; SQL MERGE statement; SQL Anywhere; Sybase
Time–HOBI: Index for optimizing star queries
Keywords: بهینه سازی پرس و جو; Data warehouse; Query optimization; Star query; Roll-up query; Indexing dimensions; Hierarchical index; Bitmap index
Efficient construction of histograms for multidimensional data using quad-trees
Keywords: بهینه سازی پرس و جو; Data management; Query optimization; Selectivity estimation; Multidimensional histograms
Top-k query evaluation in sensor networks under query response time constraint
Keywords: بهینه سازی پرس و جو; Top-k queries; Wireless sensor network; QoS constraint; Routing trees; Query optimization; Energy conservation; Query response time; Network lifetime
Enhancing accuracy and expressive power of range query answers over incomplete spatial databases via a novel reasoning approach
Keywords: بهینه سازی پرس و جو; Spatial Databases; Incomplete Spatial Information; Topological Reasoning; Query Optimization
An intelligent query processing for distributed ontologies
Keywords: بهینه سازی پرس و جو; Distributed query processing; Semantic mapping; Query optimization; Distributed ontologies; Semantic Web
RDFProv: A relational RDF store for querying and managing scientific workflow provenance
Keywords: بهینه سازی پرس و جو; Provenance; Scientific workflow; Metadata management; Ontology; RDF; OWL; SPARQL-to-SQL translation; Query optimization; RDF store; RDBMS
An optimal workload-based data allocation approach for multidisk databases
Keywords: بهینه سازی پرس و جو; Multi DBs; Data allocation; Query optimization; Integer programming
A new approach to building histogram for selectivity estimation in query processing optimization
Keywords: بهینه سازی پرس و جو; Selectivity estimation; Histogram; Query optimization
Optimizing query processing using selectivity-awareness in Wireless Sensor Networks
Keywords: بهینه سازی پرس و جو; Wireless Sensor Networks; Monitoring; Query optimization; Selectivity; Localized Steiner tree approximation
Query optimization using restructured views: Theory and experiments
Keywords: بهینه سازی پرس و جو; Query optimization; Restructured views; Query optimization using materialized views
Node and edge selectivity estimation for range queries in spatial networks
Keywords: بهینه سازی پرس و جو; Spatial networks; Selectivity estimation; Query optimization
Grid query optimizer to improve query processing in grids
Keywords: بهینه سازی پرس و جو; Query optimization; Grid computing; Distributed query processing; Database systems
Proactive and reactive multi-dimensional histogram maintenance for selectivity estimation
Keywords: بهینه سازی پرس و جو; Selectivity estimation; Proactive; Reactive; Histograms; Query optimization
Joining the results of heterogeneous search engines
Keywords: بهینه سازی پرس و جو; Search engines; Web services; Join strategies; Query optimization
Processing recursive XQuery over XML streams: The Raindrop approach
Keywords: بهینه سازی پرس و جو; XML; Query optimization; XQuery processing; Recursive query; Structural join
Filtering unsatisfiable XPath queries
Keywords: بهینه سازی پرس و جو; Queries; XML; XPath; Satisfiability tester; Query optimization
Estimating nested selectivity in object-oriented and object-relational databases
Keywords: بهینه سازی پرس و جو; Nested selectivity; Selectivity estimation; Nested predicates; Query optimization; Object-oriented database; Object-relational database
A GA-based query optimization method for web information retrieval
Keywords: بهینه سازی پرس و جو; Genetic algorithm; Relevance feedback; Information retrieval; Query optimization; Fitness function
Semantic optimization techniques for preference queries
Keywords: بهینه سازی پرس و جو; Preference queries; Query optimization; Query evaluation; Integrity constraints
Energy and quality aware query processing in wireless sensor database systems
Keywords: بهینه سازی پرس و جو; Wireless sensor database system; Query processing; Energy-efficiency; Space vector model; Imagine chain; k-Partial cover set problem; Energy reservation; Query optimization; Multipath routing
One-to-many data transformations through data mappers
Keywords: بهینه سازی پرس و جو; Data warehousing; ETL; Data mapper operator; Query optimization; Relational algebra
Service-oriented sensor–actuator networks: Promises, challenges, and the road ahead
Keywords: بهینه سازی پرس و جو; Sensor-actuator networks; Service-oriented architectures; Service-driven Routing; Query optimization; TinyOS
Selectivity estimation of range queries based on data density approximation via cosine series
Keywords: بهینه سازی پرس و جو; Selectivity estimation; Range queries; Data density function; Query optimization
Active semantic caching to optimize multidimensional data analysis in parallel and distributed environments
Keywords: بهینه سازی پرس و جو; Parallel databases; Active semantic caching; Scientific data analysis; Query optimization
Fast computation of spatial selections and joins using graphics hardware
Keywords: بهینه سازی پرس و جو; Databases; Geographic information systems; Query optimization
The use of Hints in SQL-Nested query optimization
Keywords: بهینه سازی پرس و جو; Query optimization; SQL; Nested query; Hints; TRACE; TKPROF