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Experimental Evaluation of Graph Databases: JanusGraph, Nebula Graph, Neo4j, and TigerGraph

open access: yesApplied Sciences, 2023
NoSQL databases were created with the primary goal of addressing the shortcomings in the efficiency of relational databases, and can be of four types: document, column, key-value, and graph databases.
Jéssica Monteiro   +2 more
doaj   +4 more sources

Mapping RDF Databases to Property Graph Databases [PDF]

open access: yesIEEE Access, 2020
RDF triplestores and property graph databases are two approaches for data management which are based on modeling, storing and querying graph-like data. In spite of such common principle, they present special features that complicate the task of database ...
Renzo Angles   +2 more
doaj   +5 more sources

Using Graph Databases [PDF]

open access: yesEPJ Web of Conferences, 2020
Data in High Energy Physics (HEP) usually consist of complext complex data structures stored in relational databases and files with internal schema.
Hřivnáč Julius
doaj   +3 more sources

Storage and Query of Drug Knowledge Graphs Using Distributed Graph Databases: A Case Study [PDF]

open access: yesBioengineering
Background: Distributed graph databases are a promising method for storing and conducting complex pathway queries on large-scale drug knowledge graphs to support drug research. However, there is a research gap in evaluating drug knowledge graphs’ storage
Xingjian Han, Yu Tian
doaj   +2 more sources

Analysing River Systems with Time Series Data Using Path Queries in Graph Databases

open access: yesISPRS International Journal of Geo-Information, 2023
Transportation networks are used in many application areas, like traffic control or river monitoring. For this purpose, sensors are placed in strategic points in the network and they send their data to a central location for storage, viewing and analysis.
Erik Bollen   +4 more
doaj   +1 more source

Graph Computing Systems and Partitioning Techniques: A Survey

open access: yesIEEE Access, 2022
Graphs are a tremendously suitable data representations that model the relationships of entities in many application domains, such as recommendation systems, machine learning, computational biology, social network analysis, and other application domains.
Tewodros Alemu Ayall   +6 more
doaj   +1 more source

A Graph DB-Based Solution for Semantic Technologies in the Future Internet

open access: yesFuture Internet, 2023
With the progressive improvements in the power, effectiveness, and reliability of AI solutions, more and more critical human problems are being handled by automated AI-based tools and systems.
Stefano Ferilli   +3 more
doaj   +1 more source

A Graph Model Based Blockchain Implementation for Increasing Performance and Security in Decentralized Ledger Systems

open access: yesIEEE Access, 2020
Blockchains are being recently used as a supporting technology framework for decentralized applications requiring functionalities such as exchange of value through tokens, cryptocurrency and smart contracts.
Konstantinos Tsoulias   +4 more
doaj   +1 more source

Opening a Free Path to Analyze the Discourse Shift in the Soviet Belarusian Newspaper 'Zviazda' after the Molotov-Ribbentrop Pact

open access: yesJournal of Open Humanities Data, 2023
This paper attempts to develop a pipeline designed to convert graphical PDF files of the newspaper Zviazda into usable text data in the Belarusian language with search and visualization options.
Loïc Boizou
doaj   +1 more source

A Knowledge Graph Framework for Dementia Research Data

open access: yesApplied Sciences, 2023
Dementia disease research encompasses diverse data modalities, including advanced imaging, deep phenotyping, and multi-omics analysis. However, integrating these disparate data sources has historically posed a significant challenge, obstructing the ...
Santiago Timón-Reina   +4 more
doaj   +1 more source

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