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DBMS > AllegroGraph vs. Nebula Graph

System Properties Comparison AllegroGraph vs. Nebula Graph

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Our visitors often compare AllegroGraph and Nebula Graph with Neo4j, JanusGraph and Amazon Neptune.

Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonNebula Graph  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSA distributed, linear scalable, high perfomant Graph DBMS
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.92
Rank#165  Overall
#24  Document stores
#14  Graph DBMS
#7  RDF stores
Score0.30
Rank#250  Overall
#20  Graph DBMS
Websiteallegrograph.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmldocs.nebula-graph.io
DeveloperFranz Inc.Vesoft Inc.
Initial release20042019
Current release7.0, April 2020
License infoCommercial or Open Sourcecommercial infoLimited community edition freeOpen Source infoApache Version 2.0 + Common Clause 1.0
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++
Server operating systemsLinux
OS X
Windows
Linux
Data schemeyes infoRDF schemasStrong typed schema
Typing infopredefined data types such as float or dateyesyes
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 possibleno
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.
SQL infoSupport of SQLSPARQL is used as query languageSQL-like query language
APIs and other access methodsRESTful HTTP API
SPARQL
Browser interface
console (shell)
Proprietary native API
Query language nGQL
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
C++
Go
Java
Python
Server-side scripts infoStored proceduresyes infoJavaScript or Common Lisp
Triggersyes
Partitioning methods infoMethods for storing different data on different nodeswith FederationSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replication
Multi-master replication
Causal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationRole-based access control
More information provided by the system vendor
AllegroGraphNebula Graph
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 over nearly three thousand...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
News

AllegroGraph Named to 100 Companies That Matter Most in Data
22 June 2020

Bloor Research Covers AllegroGraph with FedShard
5 June 2020

AllegroGraph Tutorial – Distributed Repository Using Shards and Federation Setup
25 May 2020

Advanced Knowledge Graph Visualization with New Gruff v8
12 May 2020

Ubiquitous AI Demands A New Type Of Database Sharding
5 May 2020

Nebula Graph for Large Social Network: Practices at WeChat
2 July 2020

Nebula Graph 1.0 Release Notes
29 June 2020

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

Nebula Graph™ Database Raises $8 Million in Series Pre-A Funding
15 June 2020

Access Control in Nebula Graph: Design, Code, and Operations
2 June 2020

Related products and services

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More resources
AllegroGraphNebula Graph
Recent citations in the news

AllegroGraph Named to 100 Companies That Matter Most in Data
23 June 2020, PR Web

Data Summit Connect 2020 Drills Down on Better Data Processes With Knowledge Graphs
10 June 2020, Database Trends and Applications

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

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

Three Necessities For Maximizing Your Digital Twins Approach
4 November 2019, Forbes

provided by Google News

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

Nebula Graph is now available from VEsoft
29 June 2020, KMWorld Magazine

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

ACE Redpoint Ventures's $8 Million Investment in Nebula Graph
11 June 2020, Global Legal Chronicle

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

provided by Google News

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