Results 11 to 20 of about 319,043 (311)

RELATIONAL ASPECTS OF RELATIONAL DATABASE DEPENDENCIES [PDF]

open access: greenBulletin 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.
Yasuo Kawahara, Hitomi Okuma
openaire   +4 more sources

Building Character Graphs and Dividing Communities in Chinese Novels Based on Graph Data Extraction: Community Division for Character Emotional Polarity Networks

open access: yesIEEE Access, 2020
Chinese authors indirectly portray real social relationships in society by incorporating their own experiences and feelings about politics, economic life, and cultural habits. Social and natural knowledge are mixed and hidden in natural literary language.
Xiaolei Zhao   +5 more
doaj   +1 more source

Jelly Views : Extending Relational Database Systems Toward Deductive Database Systems [PDF]

open access: yesComputer Science, 2004
This paper regards the Jelly View technology, which provides a new, practical methodology for knowledge decomposition, storage, and retrieval within Relational Database Management Systems (RDBMS).
Igor Wojnicki
doaj   +2 more sources

TDRB: An Efficient Tamper-Proof Detection Middleware for Relational Database Based on Blockchain Technology

open access: yesIEEE Access, 2021
The relational database has become one of the mainstream tools for data storage and management. However, there are two main types of threats to relational databases: external attacks and internal tampering threats. In this paper, we focus on the internal
Jie Lian, Siqian Wang, Yanmiao Xie
doaj   +1 more source

AN EMPIRICAL COMPARISON OF NEO4J AND TIGERGRAPH DATABASES FOR NETWORK CENTRALITY

open access: yesScience Journal of University of Zakho, 2023
Graph databases have recently gained a lot of attention in areas where the relationships between data and the data itself are equally important, like the semantic web, social networks, and biological networks.
Bahzad Chicho   +1 more
doaj   +1 more source

Temporal RDF Modeling Based on Relational Database [PDF]

open access: yesJisuanji 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
doaj   +1 more source

AMANDA: A Middleware for Automatic Migration between Different Database Paradigms

open access: yesApplied 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
doaj   +1 more source

Data Mining Using Relational Database Management Systems [PDF]

open access: yes, 2006
Software packages providing a whole set of data mining and machine learning algorithms are attractive because they allow experimentation with many kinds of algorithms in an easy setup.
Beibei, Zou   +4 more
core   +1 more source

Which Category Is Better: Benchmarking Relational and Graph Database Management Systems

open access: yesData 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
doaj   +1 more source

KNOWLEDGE MODELING FOR A RELATIONAL DATABASE IN ONTOLOGY WEB LANGUAGE (OWL)

open access: yesTạp 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
doaj   +1 more source

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