Results 1 to 10 of about 35,488 (260)
Improved Centralized XML Query Processing Using Distributed Query Workload
IEEE Access, 2021 eXtensible Markup Language (XML) is used widely to transfer data among a wide variety of systems. Due to an increase in query workloads and management of larger datasets, centralized processing is no longer feasible for XML query processing.
Samini Subramaniam +2 more
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VeriFed: Temporally Consistent Continuous Cross-Chain Data Federation [PDF]
EntropyCross-chain analytics increasingly demand continuous joins across ledgers with asynchronous state evolution. Existing solutions, however, typically assume static snapshots or neglect temporal alignment, yielding semantically inconsistent results when ...
Kun Hao, Meng Bi, Yuliang Ma
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A Distributed Hybrid Indexing for Continuous KNN Query Processing over Moving Objects
ISPRS International Journal of Geo-Information, 2022 The magnitude of highly dynamic spatial data is expanding rapidly due to the instantaneous evolution of mobile technology, resulting in challenges for continuous queries.
Imene Bareche, Ying Xia
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Applied Sciences, 2021 Various distributed processing schemes were studied to efficiently utilize a large scale of RDF graph in semantic web services. This paper proposes a new distributed SPARQL query processing scheme considering communication costs in Spark environments to ...
Jongtae Lim +5 more
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Query Optimization for Distributed Spatio-Temporal Sensing Data Processing
Sensors, 2022 The unprecedented development of Internet of Things (IoT) technology produces humongous amounts of spatio-temporal sensing data with various geometry types.
Xin Li +3 more
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Efficient Group K Nearest-Neighbor Spatial Query Processing in Apache Spark
ISPRS International Journal of Geo-Information, 2021 Aiming at the problem of spatial query processing in distributed computing systems, the design and implementation of new distributed spatial query algorithms is a current challenge.
Panagiotis Moutafis +3 more
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A technique for parallel query optimization using MapReduce framework and a semantic-based clustering method [PDF]
PeerJ Computer Science, 2021 Query optimization is the process of identifying the best Query Execution Plan (QEP). The query optimizer produces a close to optimal QEP for the given queries based on the minimum resource usage.
Elham Azhir +4 more
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LocationSpark: In-memory Distributed Spatial Query Processing and Optimization
Frontiers in Big Data, 2020 Due to the ubiquity of spatial data applications and the large amounts of spatial data that these applications generate and process, there is a pressing need for scalable spatial query processing.
Mingjie Tang +5 more
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Efficient Distributed Query Processing [PDF]
IEEE Transactions on Automation Science and Engineering, 2016 A variety of wireless networks, including applications of Wireless Sensor Networks, Internet of Things, and Cyber-physical Systems, increasingly pervade our homes, retail, transportation systems, and manufacturing processes. Traditional approaches communicate data from all sensors to a central system, and users (humans or machines) query this central ...
Kolcun, R, Boyle, DE, McCann, JA
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Research on Dynamic Data Partition of Database Management System in Distributed Information Network [PDF]
Jisuanji gongcheng, 2017 For database management system in distributed information network,whether data is partitioned reasonably affects not only load balancing of the system but also the communication overhead between nodes.Aiming at this problem,this paper proposes a query ...
MA Yang,LIU Mengchi
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