Results 11 to 20 of about 309,755 (267)
Comparing the performance of object and object relational database systems on objects of varying complexity [PDF]
, 2012 This is the first published work to compare the performance of object and object relational database systems based on the object's complexity. The findings of this research show that the performance of object and object relational database systems are ...
Bryant, CH, Kalantari, R
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Database relations with null values [PDF]
Journal of Computer and System Sciences, 1982 A new formalism for null values is developed, based on the semantics that a null value conveys no information; that it is less informative then either an ''exists but unknown'' or a ''no value'' null. What results is a theory of ''heterogeneous relations'': relations with tuples over different schemes.
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Distributed Model-Based Diagnosis using Object-Relational Constraint Databases [PDF]
, 2006 This work presents a proposal to diagnose distributed systems utilizing model-based diagnosis using distributed databases. In order to improve aspects as versatility, persistence, easy composition and efficiency in the diagnosis process we use an ...
Gómez López, María Teresa +3 more
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Adequacy of Decompositions of Relational Databases
Journal of Computer and System Sciences, 1980 AbstractWe consider conditions that have appeared in the literature with the purpose of defining a “good” decomposition of a relation scheme. We show that these notions are equivalent in the case that all constraints in the database are functional dependencies. This result solves an open problem of Rissanen.
Fereidoon Sadri +3 more
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Getting Along with Relational Databases
Journal of the Text Encoding Initiative, 2021 Both relational databases and XML have strengths and weaknesses as data storage and modelling systems. Most researchers working with Humanities historical and literary data would argue for the superiority of XML, since it allows unlimited nesting, linking, and complexity.
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Relational database and graph database: A comparative analysis [PDF]
Journal of Process Management. New Technologies, 2017 Since 1970, relational database models have been in use for storing, manipulating and retrieving data. The importance of relational databases is going to decrease due to the exponential growth of data as it is difficult to work with large number of joining tables.
Surajit Medhi, Hemanta K. Baruah
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A relational dataflow database [PDF]
, 1981 A model of a relational database system based on the principles of functional, data-driven computation is proposed. Relations (sets of data tuples) are represented as streams of values carried by independent tokens among operators of an unraveling ...
Bic, Lubomir
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Fuzzy relations and fuzzy relational databases
Computers & Mathematics with Applications, 1991 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Austin Melton, Sujeet Shenoi
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The relational database system of KM3NeT [PDF]
AIP Conference Proceedings, 2014 The KM3NeT Collaboration is building a new generation of neutrino telescopes in the Mediterranean Sea. For these telescopes, a relational database is designed and implemented for several purposes, such as the centralised management of accounts, the storage of all documentation about components and the status of the detector and information about slow ...
Arnauld Albert, BOZZA, Cristiano
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Advanced Functional Materials, EarlyView.AI is transforming the research paradigm of battery materials and reshaping the entire landscape of battery technology. This comprehensive review summarizes the cutting‐edge applications of AI in the advancement of battery materials, underscores the critical challenges faced in harnessing the full potential of AI, and proposes strategic guidance for ...
Qingyun Hu +5 more
wiley +1 more source