Results 11 to 20 of about 1,589 (91)
RELATIONAL ASPECTS OF RELATIONAL DATABASE DEPENDENCIES [PDF]
Bulletin of informatics and cybernetics, 2000 Summary: This paper presents a relational treatment of inference rules for functional and multivalued dependencies in relational databases, to show the soundness and the completeness of the inference rules in Dedekind categories, which also cover the fuzzy case.
Okuma, Hitomi, Kawahara, Yasuo
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AMANDA: A Middleware for Automatic Migration between Different Database Paradigms
Applied Sciences, 2022 In a world rich in interconnected and complex data, the non-relational database paradigm can better handle large volumes of data at high speed with a scale-out architecture, which are two essential requirements for large industries and world-class ...
Jordan S. Queiroz +7 more
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Temporal RDF Modeling Based on Relational Database [PDF]
Jisuanji kexue, 2022 With the increase of temporal data,the concept of temporal knowledge graph is popularized,and how to represent temporal knowledge graph efficiently has become an important research direction.Although resource description framework(RDF) is widely used in ...
HAN Xiao, ZHANG Zhe-qing, YAN Li
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Which Category Is Better: Benchmarking Relational and Graph Database Management Systems
Data Science and Engineering, 2019 Over decades, relational database management systems (RDBMSs) have been the first choice to manage data. Recently, due to the variety properties of big data, graph database management systems (GDBMSs) have emerged as an important complement to RDBMSs. As
Yijian Cheng +4 more
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KNOWLEDGE MODELING FOR A RELATIONAL DATABASE IN ONTOLOGY WEB LANGUAGE (OWL)
Tạp chí Khoa học Đại học Đà Lạt, 2017 This paper presents a knowledge modeling method by Ontology Web Language (OWL) for a relational database. The proposed method contains the rules for transforming data in a relational database into Ontology and Axioms for supplementing meaning of a ...
Huỳnh Tuấn Anh
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A Novel Automatic Relational Database Normalization Method
Acta Informatica Pragensia, 2022 The increase in data diversity and the fact that database design is a difficult process make it practically impossible to design a unique database schema for all datasets encountered.
Emre Akadal, Mehmet Hakan Satman
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Database Slicing on Relational Databases
Acta Cybernetica, 2014 Many software systems today use databases to permanently store their data. Testing, bug finding and migration are complex problems in the case of databases that contain many records. Here, our method can speed up these processes if we can select a smaller piece of the database (called a slice) that contains all of the records belonging to the slicing ...
Dávid Tengeri, Ferenc Havasi
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BMC Medical Informatics and Decision Making, 2017 Background The objective of this research is to compare the relational and non-relational (NoSQL) database systems approaches in order to store, recover, query and persist standardized medical information in the form of ISO/EN 13606 normalized Electronic
Ricardo Sánchez-de-Madariaga +6 more
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A relation merging technique for relational databases [PDF]
[1992] Eighth International Conference on Data Engineering, 2003 A merging technique for relational schemas consisting of relation-schemes, key dependencies, referential integrity constraints, and null constraints is presented. The author examines the conditions required for using this technique with relational database management systems that provide different mechanisms for maintaining null and referential ...
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THE OBJECT-ORIENTED DATABASES APPROACH REPRESENT A TYPICAL SOLUTION FOR INTEGRATED APPLICATIONS
Journal of Kufa for Mathematics and Computer, 2010 numbers, short text, and dates. With the advent of powerful and affordable multimedia computers, people increasingly need databases to store more complex objects. Typical objects include graphics, sound, and video clips.
Yahya Mahdi Hadi Al-mayali
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