Results 31 to 40 of about 476,420 (328)
A SPATIOTEMPORAL AGGREGATION QUERY METHOD USING MULTI-THREAD PARALLEL TECHNIQUE BASED ON REGIONAL DIVISION [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 Existing spatiotemporal database supports spatiotemporal aggregation query over massive moving objects datasets. Due to the large amounts of data and single-thread processing method, the query speed cannot meet the application requirements.
S. Liao, L. Chen, J. Li, W. Xiong, Q. Wu
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RODA: A Fast Outlier Detection Algorithm Supporting Multi-Queries
IEEE Access, 2021 Outlier detection is an important task in the field of big data analysis. The technology has been extensively used in network security, sensor data analysis, public health and so on.
Xite Wang, Jiafan Li, Mei Bai, Qian Ma
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Distributed Query Plan Generation Using Multiobjective Genetic Algorithm
The Scientific World Journal, 2014 A distributed query processing strategy, which is a key performance determinant in accessing distributed databases, aims to minimize the total query processing cost.
Shina Panicker, T. V. Vijay Kumar
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Efficient Continuous Subgraph Matching Scheme Based on Trie Indexing for Graph Stream Processing
Applied Sciences, 2023 With the expansion of the application range of big data and artificial intelligence technologies, graph data have been increasingly used to analyze the relationships among objects.
Dojin Choi +6 more
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AT-GIS: highly parallel spatial query processing with associative transducers [PDF]
, 2015 Users in many domains, including urban planning, transportation, and environmental science want to execute analytical queries over continuously updated spatial datasets.
Ogden, Pietzuch, P, Thomas, D
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International Journal of Distributed Sensor Networks, 2015 Database applications in wireless sensor networks very often demand data collection from sensor nodes of specific target regions. Design and development of spatial query expressions and energy-efficient query processing strategy are important issues for ...
Chong sok Lim +3 more
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Intra-query adaptivity for MapReduce query processing systems [PDF]
Proceedings of the 18th International Database Engineering & Applications Symposium on - IDEAS '14, 2014 MapReduce query processing systems translate a query statement into a query plan, consisting of a set of MapReduce jobs to be executed in distributed machines. During query translation, these query systems uniformly allocate computing resources to each job by delegating the same tuning to the entire query plan.
Lucas Filho, Edson Ramiro +2 more
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Query management in a sensor environment [PDF]
, 2008 Traditional sensor network deployments consisted of fixed infrastructures and were relatively small in size. More and more, we see the deployment of ad-hoc sensor networks with heterogeneous devices on a larger scale, posing new challenges for device ...
Andrieu, Vincent +2 more
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Interactive Multiple-User Location-Based Keyword Queries on Road Networks
IEEE Access, 2018 As the use of smart mobile devices increases, users can connect and coordinate with local people or events that match their interests through geosocial networking applications.
Yong Wang +4 more
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Hybrid Ant Algorithm Based Query Processing with Multiagents in Sensor Networks
International Journal of Distributed Sensor Networks, 2013 The wireless sensor networks are usually deployed in various application-specific contexts, which can be treated as distributed databases with big data. The event-involved query responses can be obtained by issuing query requests to this kind of database.
Jianping Yu +3 more
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