Results 11 to 20 of about 482,214 (330)
Reverse Query Processing [PDF]
2007 IEEE 23rd International Conference on Data Engineering, 2007 Traditionally, query processing gets a query and a database instance as input and re turns the result of the query for that particular database instance. Reverse query processing (RQP) gets a query and a result as input and returns a possible database instance that could have produced that result for that query.
Carsten Binnig +2 more
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HI-Sky: Hash Index-Based Skyline Query Processing
Applied Sciences, 2020 The skyline query has recently attracted a considerable amount of research interest in several fields. The query conducts computations using the domination test, where “domination” means that a data point does not have a worse value than ...
Jong-Hyeok Choi +2 more
doaj +1 more source
Process Querying in Apromore [PDF]
, 2015 This paper demonstrates the integration and usage of Process Query Language (PQL), a special-purpose programming language for querying large collections of process models based on process model behavior, in the Apromore open-source process model repository.
Artem Polyvyanyy +5 more
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Adaptive Query Processing [PDF]
Foundations and Trends in Databases, 2007 As the data management field has diversified to consider settings in which queries are increasingly complex, statistics are less available, or data is stored remotely, there has been an acknowledgment that the traditional optimize-then-execute paradigm is insufficient.
Amol Deshpande +2 more
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Query Refinement into Information Retrieval Systems: An Overview
Journal of Information and Organizational Sciences, 2023 Query, expressing the user need and requirement, has an important role, in an information retrieval system, for reaching a high accuracy search. In this paper, we present an overview of the different refinement operations that the query may undergo, in ...
Mawloud Mosbah
doaj +1 more source
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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Apache Calcite: A Foundational Framework for Optimized Query Processing Over Heterogeneous Data Sources [PDF]
, 2018 Apache Calcite is a foundational software framework that provides query processing, optimization, and query language support to many popular open-source data processing systems such as Apache Hive, Apache Storm, Apache Flink, Druid, and MapD.
Begoli, Edmon +4 more
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Query processing of spatial objects: Complexity versus Redundancy [PDF]
, 1993 The management of complex spatial objects in applications, such as geography and cartography, imposes stringent new requirements on spatial database systems, in particular on efficient query processing. As shown before, the performance of spatial query
A. Braun +9 more
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Code Generation for Efficient Query Processing in Managed Runtimes [PDF]
, 2014 In this paper we examine opportunities arising from the conver-gence of two trends in data management: in-memory database sys-tems (IMDBs), which have received renewed attention following the availability of affordable, very large main memory systems ...
Bierman, Gavin M. +2 more
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Spoken query processing for interactive information retrieval [PDF]
, 2002 It has long been recognised that interactivity improves the effectiveness of information retrieval systems. Speech is the most natural and interactive medium of communication and recent progress in speech recognition is making it possible to build ...
Barnett +19 more
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