Results 31 to 40 of about 272,337 (306)

Constructing Crop Portraits Based on Graph Databases Is Essential to Agricultural Data Mining

open access: yesInformation, 2021
Neo4j is a graph database that can use not only data, but also data relationships. Crop portraits, a kind of property graph, model the crop entity in the real world based on data to realize the networked management of crop knowledge.
Yue-Xin Shi   +4 more
doaj   +1 more source

Capturing Topology in Graph Pattern Matching [PDF]

open access: yes, 2011
Graph pattern matching is often defined in terms of subgraph isomorphism, an np-complete problem. To lower its complexity, various extensions of graph simulation have been considered instead.
Huai, Jinpeng   +9 more
core   +1 more source

Covid-Graph-Repository: Graph Dumps and Topology Results [PDF]

open access: yes, 2021
Paper title: Optimized Construction of Covid-19 Datasets for GraphAnalytics This repository contains a number of Covid-19 graph database dumps. - Graph-Dumps/1-Dimensional-Graph.dump: This includes metamodel transformation, node compression and binning.
Mark Roantree   +3 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

A Graph Database of Aegean Seals with Uncertain Attributes

open access: yesZeitschrift für digitale Geisteswissenschaften, 2019
To facilitate the application of network analysis for the study of multi-sided Aegean seals, a graph database was implemented in Neo4j.
Martina Trognitz
doaj   +1 more source

Updating graph databases with Cypher [PDF]

open access: yesProceedings of the VLDB Endowment, 2019
The paper describes the present and the future of graph updates in Cypher, the language of the Neo4j property graph database and several other products. Update features include those with clear analogs in relational databases, as well as those that do not correspond to any relational operators.
Alastair Green   +8 more
openaire   +3 more sources

Processes and events in the centre: a dynamic data model for representing spatial change

open access: yesInternational Journal of Digital Earth, 2022
Traditional geographic information system models for map representation use superposition of layers to model physical reality, neglecting the integrity of the environment and limiting the ability to express interactions between features in complex ...
Yufeng He   +4 more
doaj   +1 more source

S3G2: a Scalable Structure-correlated Social Graph Generator [PDF]

open access: yes, 2012
Benchmarking graph-oriented database workloads and graph-oriented database systems are increasingly becoming relevant in analytical Big Data tasks, such as social network analysis.
Pham, Minh-Duc   +8 more
core   +1 more source

Working with Legacy Relational Data in A Graph-Based World

open access: yesInternational Journal of Population Data Science, 2020
The Next Generation Linkage Management System (NGLMS) was designed around keeping all data in a graph database. However, this constraint, while easily achievable for greenfield projects and/or new data linkage units, may not be easily met where legacy ...
James Farrow
doaj   +1 more source

Querying in the Age of Graph Databases and Knowledge Graphs [PDF]

open access: yesProceedings of the 2021 International Conference on Management of Data, 2021
Graphs have become the best way we know of representing knowledge. The computing community has investigated and developed the support for managing graphs by means of digital technology. Graph databases and knowledge graphs surface as the most successful solutions to this program.
Marcelo Arenas   +2 more
openaire   +2 more sources

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