Results 61 to 70 of about 3,684,752 (344)

A Graph Rewriting Approach for Transformational Design of Digital Systems [PDF]

open access: yes, 1996
Transformational design integrates design and verification. It combines “correctness by construction” and design creativity by the use of pre-proven behaviour preserving transformations as design steps.
Huijs, Corrie
core   +6 more sources

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

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

Graph Databases: Neo4j Analysis

open access: hybridProceedings of the 19th International Conference on Enterprise Information Systems, 2017
José Guia   +2 more
openalex   +3 more sources

Introduction to Graph Databases

open access: yes, 2014
The use of graphs in analytic environments is getting more and more widespread, with applications in many different environments like social network analysis, fraud detection, industrial management, knowledge analysis, etc. Graph databases are one important solution to consider in the management of large datasets.
Larriba Pey, Josep   +2 more
openaire   +3 more sources

Structural Data Recognition with Graph Model Boosting [PDF]

open access: yes, 2017
This paper presents a novel method for structural data recognition using a large number of graph models. In general, prevalent methods for structural data recognition have two shortcomings: 1) Only a single model is used to capture structural variation ...
Miyazaki, Tomo, Omachi, Shinichiro
core   +3 more sources

GDBAlive: A Temporal Graph Database Built on Top of a Columnar Data Store

open access: yesJournal of Advances in Information Technology, 2020
Although graph databases have extensively found applications in the relationship-centered era, a time-version support is seldom provided. While current storage systems capture the most recently updated snapshot of the underlying graph, most real world ...
M. Massri   +2 more
semanticscholar   +1 more source

A Trichotomy in the Complexity of Counting Answers to Conjunctive Queries [PDF]

open access: yes, 2015
Conjunctive queries are basic and heavily studied database queries; in relational algebra, they are the select-project-join queries. In this article, we study the fundamental problem of counting, given a conjunctive query and a relational database, the ...
Chen, Hubie, Mengel, Stefan
core   +3 more sources

Towards inheritance in graph databases

open access: yes2018 International Conference on Information Management and Processing (ICIMP), 2018
Object-oriented database management systems represent a technology in which the concepts of the object-oriented programming paradigm are implemented in databases. The impedance mismatch problem between different technologies (e.g., relational and object-oriented) has represented a challenge for developers and researchers for many years now.
Kornelije Rabuzin, Martina Šestak
openaire   +3 more sources

Kajian Implementasi Graph Database pada Rute Bus Rapid Transit

open access: yesJurnal Teknologi dan Sistem Informasi, 2017
Bus Rapid Transit (BRT) merupakan salah satu sarana transportasi publik yang memiliki rute perjalanan tertentu atau disebut sebagai koridor. Satu koridor BRT dengan koridor yang lain bukanlah koridor yang terpisah, melainkan saling terhubung.
Panji Wisnu Wirawan, Djalal Er Riyanto
doaj   +1 more source

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