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DBMS > AllegroGraph vs. Nebula Graph vs. VelocityDB

System Properties Comparison AllegroGraph vs. Nebula Graph vs. VelocityDB

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Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonNebula Graph  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSA distributed, linear scalable, high perfomant Graph DBMSA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Graph DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.04
Rank#165  Overall
#26  Document stores
#14  Graph DBMS
#7  RDF stores
Score0.73
Rank#200  Overall
#18  Graph DBMS
Score0.10
Rank#305  Overall
#30  Graph DBMS
#17  Object oriented DBMS
Websiteallegrograph.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
velocitydb.com
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmldocs.nebula-graph.iovelocitydb.com/­UserGuide
DeveloperFranz Inc.Vesoft Inc.VelocityDB Inc
Initial release200420192011
Current release7.0.0, April 20207.x
License infoCommercial or Open Sourcecommercial infoLimited community edition freeOpen Source infoApache Version 2.0 + Common Clause 1.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C#
Server operating systemsLinux
OS X
Windows
LinuxAny that supports .NET
Data schemeyes infoRDF schemasStrong typed schemayes
Typing infopredefined data types such as float or dateyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no infobulk load of XML files possiblenono
Secondary indexesyesyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.yes
SQL infoSupport of SQLSPARQL is used as query languageSQL-like query languageno
APIs and other access methodsRESTful HTTP API
SPARQL
Browser interface
console (shell)
Proprietary native API
Query language nGQL
.Net
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
C++
Go
Java
Python
.Net
Server-side scripts infoStored proceduresyes infoJavaScript or Common Lispno
TriggersyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeswith FederationShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Causal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationRole-based access controlBased on Windows Authentication
More information provided by the system vendor
AllegroGraphNebula GraphVelocityDB
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
Nebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
Nebula Graph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCurrently we have some top internet companies in China implementing Nebula Graph...
» more
Market metricsAt our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
News

Data Fabrics and Knowledge Graphs — A Symbiotic Relationship
6 November 2020

RDF vs Property Graph – The Graph Show
3 November 2020

Text Analytics Forum 2020 – KMWorld Connect
27 October 2020

Sharing Ontologies Globally To Speed Science And Healthcare Solutions – OntoPortal
7 October 2020

Knowledge Graphs: A Single Source of Truth for the Enterprise
5 October 2020

Nebula Operator: Automated the Nebula Graph cluster deployment and maintenance on K8s
25 November 2020

Practicing Graph Computation with GraphX in Nebula Graph
19 November 2020

Exploring the S&P 100 Index Stocks Using Graph Machine Learning
12 November 2020

Pick of the Week at Nebula Graph - Nebula Graph Studio V1.2.1-beta Has Been Released
6 November 2020

Nebula Graph v2.0.0-alpha Release Note
2 November 2020

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

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More resources
AllegroGraphNebula GraphVelocityDB
Recent citations in the news

2021 Trends in Data Modeling: Attaining the Universal Data Model Ideal
29 October 2020, insideBIGDATA

Franz Inc. to Present at The Global Graph Summit and Data Day Texas 2020
10 January 2020, PR Web

AllegroGraph v7 Powers First Distributed Semantic Knowledge Graph Solution with Federated-Sharding
26 May 2020, Business Wire

Ubiquitous AI Demands A New Type Of Database Sharding
1 May 2020, Forbes

Franz Expands with Introduction of Gruff 8
13 May 2020, Database Trends and Applications

provided by Google News

How to Track the Spread of a Global Pandemic Through a Graph Database (Based on a Real Case)
23 November 2020, hackernoon.com

The World's Most Capable Graph Database, Nebula Graph™, Debuts for Unmatched Big Data Analytics Discovery
29 June 2020, PR Web

Nebula Graph Joins Database Race
15 June 2020, Datanami

Nebula Graph Raises $8M in Series Pre-A Funding
15 June 2020, FinSMEs

Tracking the Spread of Coronavirus with Graph Databases
12 March 2020, Datanami

provided by Google News

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