Results 171 to 180 of about 459,743 (229)
Neuro Data Hub: A New Approach for Streamlining Medical Clinical Research. [PDF]
Neurosurg PractHan X +7 more
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Keyword-Conditioned Image Segmentation via the Cross-Attentive Alignment of Language and Vision Sensor Data. [PDF]
Sensors (Basel)Kim HR, Ko BC.
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LPITutor: an LLM based personalized intelligent tutoring system using RAG and prompt engineering. [PDF]
PeerJ Comput SciLiu Z +5 more
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Multimodal Latent Representation Learning for Video Moment Retrieval. [PDF]
Sensors (Basel)Hwang J, Jeon M, Kim J.
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ACM Computing Surveys, 1984
In this paper, various techniques for optimizing queries in distributed databases are presented. Although no attempt is made to cover all proposed algorithms on this topic, quite a few ideas extracted from existing algorithms are outlined. It is hoped that large-scale experiments will be conducted to verify the usefulness of these ideas and that they ...
C. C. Chang, Clement Yu
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In this paper, various techniques for optimizing queries in distributed databases are presented. Although no attempt is made to cover all proposed algorithms on this topic, quite a few ideas extracted from existing algorithms are outlined. It is hoped that large-scale experiments will be conducted to verify the usefulness of these ideas and that they ...
C. C. Chang, Clement Yu
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Processing Implication on Queries [PDF]
IEEE Transactions on Software Engineering, 1989 The ability to quickly determine how to derive a given query from a set of prestored fragments is highly demanded in many database applications, especially in distributed database systems, where the communication cost is a major concern. The main difficulty in solving this problem lies in the implication problem given two predicates σQ and σT, can σQ ...
Sun, Xian-he +2 more
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1995
An approach to query processing in object-oriented stores supporting physical data independence is proposed in this Chapter. In particular, the problem of query optimisation (i e finding efficient execution plans for declarative queries) is investigated. A set of rewrite rules has been defined in order to allow an algebraic optimisation phase.
Rabitti F, Benedetti L, Demi F
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An approach to query processing in object-oriented stores supporting physical data independence is proposed in this Chapter. In particular, the problem of query optimisation (i e finding efficient execution plans for declarative queries) is investigated. A set of rewrite rules has been defined in order to allow an algebraic optimisation phase.
Rabitti F, Benedetti L, Demi F
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Process Instance Query Language and the Process Querying Framework
2022Junta de Andalucía US-1381375 (METAMORFOSIS)
Pérez Álvarez, José Miguel +5 more
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Query Relaxation in Cooperative Query Processing
2009This chapter explores new trends of query relaxation strategies that allow to implement a cooperative query processing paradigm. This new paradigm is based on the belief that the user has an idea of what he/she wants and the system has to automatically lead him/her to formulate meaningful queries by relaxing query constraints.
D'Ulizia Arianna +2 more
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Distributed Query Processing on the Grid [PDF]
The International Journal of High Performance Computing Applications, 2002 Distributed query processing (DQP) has been widely used in data intensive applications where data of relevance to users are stored at multiple locations. This paper argues: (i) that DQP can be important in the Grid, as a means of providing high-level, declarative languages for integrating data access and analysis; and (ii) that the Grid provides ...
Smith J +5 more
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