Results 21 to 30 of about 9,715,830 (339)
RESEARCH OF METHODS TO SUPPORT DATA MIGRATION BETWEEN RELATIONAL AND DOCUMENT DATA STORAGE MODELS
Сучасний стан наукових досліджень та технологій в промисловості, 2022 The subject matter of the article is heterogeneous model-inhomogeneous data migration between relational and document-oriented data storage models, existing strategies and methods to support such migrations, the use of relational algebra and set theory ...
Mariia Peretiatko +2 more
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Teaching Method for Entity–Relationship Models Based on Semantic Network Theory
IEEE Access, 2022 Students in database courses often have difficulty learning entity–relationship (ER) modeling. According to semantic network theory, learning to construct an ER diagram for a database problem requires complex semantic transformations between the ...
Shin-Shing Shin
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The Computational 2D Materials Database: high-throughput modeling and discovery of atomically thin crystals [PDF]
2D Materials, 2018 We introduce the Computational 2D Materials Database (C2DB), which organises a variety of structural, thermodynamic, elastic, electronic, magnetic, and optical properties of around 1500 two-dimensional materials distributed over more than 30 different ...
Sten Haastrup +14 more
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Belnap-Dunn Logic and Query Answering in Inconsistent Databases with Null Values
Scientific Annals of Computer Science, 2023 This paper concerns an expansion of first-order Belnap-Dunn logic, called BD^{\supset,F}_{\bot}, and an application of this logic in the area of relational database theory. The notion of a relational database, the notion of a query applicable to
Cornelis A. Middelburg
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Graph-theoretic methods in database theory [PDF]
ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 1990 Mihalis Yannakakis
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A formal model for ledger management systems based on contracts and temporal logic
Blockchain: Research and Applications, 2022 A key component of blockchain technology is the ledger, viz., a database that, unlike standard databases, keeps in memory the complete history of past transactions as in a notarial archive for the benefit of any future test.
Paolo Bottoni +2 more
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Tractable Circuits in Database Theory [PDF]
SIGMOD recordThis work reviews how database theory uses tractable circuit classes from knowledge compilation. We present relevant query evaluation tasks, and notions of tractable circuits.
Antoine Amarilli, Florent Capelli
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Networked Heritage Management in the Lower Guadalquivir (Spain)
Heritage, 2023 This paper describes the operations carried out to generate a georeferenced heritage inventory at a supra-municipal scale. The tool establishes links between its heritage elements based on the features and characteristics of the territory.
Marina López Sánchez +1 more
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Tallo: A global tree allometry and crown architecture database
Global Change Biology, 2022 Data capturing multiple axes of tree size and shape, such as a tree's stem diameter, height and crown size, underpin a wide range of ecological research—from developing and testing theory on forest structure and dynamics, to estimating forest carbon ...
T. Jucker +118 more
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Data Governance Framework in Data Exchange Centers [PDF]
علوم و فنون مدیریت اطلاعاتPurpose: Data governance frameworks have typically been discussed within the confines of an organization, with less focus on inter-organizational contexts.
Mohamadreza Mortazavi +2 more
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