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DBMS > eXtremeDB vs. GraphDB vs. Neo4j vs. Stardog

System Properties Comparison eXtremeDB vs. GraphDB vs. Neo4j vs. Stardog

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Editorial information provided by DB-Engines
NameeXtremeDB  Xexclude from comparisonGraphDB infoformer name: OWLIM  Xexclude from comparisonNeo4j  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionNatively in-memory DBMS with options for persistency, high-availability and clusteringEnterprise RDF and graph database with efficient reasoning, cluster and external index synchronization supportOpen source graph databaseEnterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization
Primary database modelRelational DBMS
Time Series DBMS
Graph DBMS
RDF store
Graph DBMSGraph DBMS
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.40
Rank#227  Overall
#108  Relational DBMS
#13  Time Series DBMS
Score1.25
Rank#140  Overall
#9  Graph DBMS
#5  RDF stores
Score48.27
Rank#22  Overall
#1  Graph DBMS
Score1.15
Rank#145  Overall
#11  Graph DBMS
#6  RDF stores
Websitewww.mcobject.com/­extremedbfamilygraphdb.ontotext.comneo4j.comwww.stardog.com
Technical documentationwww.mcobject.com/­docs/­eXtremeDB.htmgraphdb.ontotext.com/­documentationneo4j.com/­docswww.stardog.com/­docs
DeveloperMcObjectOntotextNeo4j, Inc.Stardog-Union
Initial release2001200020072010
Current release8.1, November 20198.8, January 20194.0.4, May 20207.3.0, May 2020
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freeOpen Source infoGPL version3, commercial licenses availablecommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students
Cloud-based only infoOnly available as a cloud servicenono infoNamed S4, Ontotext provides a semantic graph database based on GraphDB in the cloud.nono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
eXtremeDB on AWS: High performance DBMS for HPC and Capital Market computing
Implementation languageC and C++JavaJava, ScalaJava
Server operating systemsAIX
HP-UX
Linux
macOS
Solaris
Windows
All OS with a Java VM
Linux
OS X
Windows
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Linux
macOS
Windows
Data schemeyesschema-free and OWL/RDFS-schema supportschema-free and schema-optionalschema-free and OWL/RDFS-schema support
Typing infopredefined data types such as float or dateyesyesyesyes
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 infosupport of XML interfaces availablenono infoImport/export of XML data possible
Secondary indexesyesyes, supports real-time synchronization and indexing in SOLR/Elastic search/Lucene and GeoSPARQL geometry data indexesyes infopluggable indexing subsystem, by default Apache Luceneyes infosupports real-time indexing in full-text and geospatial
SQL infoSupport of SQLyes infowith the option: eXtremeSQLSPARQL is used as query languagenoYes, compatible with all major SQL variants through dedicated BI/SQL Server
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
GeoSPARQL
Java API
RDF4J API
RIO
Sail API
Sesame REST HTTP Protocol
SPARQL 1.1
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
GraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
Scala
.Net
C#
Clojure
Java
JavaScript (Node.js)
PHP
Python
Ruby
Scala
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresyesJava Server Pluginyes infoUser defined Procedures and Functionsuser defined functions and aggregates, HTTP Server extensions in Java
Triggersyes infoby defining eventsnoyes infovia event handleryes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / shardingnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesActive Replication Fabric™ for IoT
Master-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
Master-master replicationCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlyMaster-master replication in HA-Cluster
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency, Eventual consistency (configurable in cluster mode per master or individual client request)Causal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Immediate Consistency in HA-Cluster
Foreign keys infoReferential integrityyesyes infoConstraint checkingyes infoRelationships in graphsyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyesUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)Access rights for users and roles
More information provided by the system vendor
eXtremeDBGraphDB infoformer name: OWLIMNeo4jStardog
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
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GraphDB Enterprise is a high-performance semantic repository created by Ontotext....
» more
Neo4j is a native graph database platform that is built to store, query, analyze...
» more
Stardog is an Enterprise Knowledge Graph platform, uniquely combining graph storage...
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Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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GraphDB allows you to link text and data in big knowledge graphs. It’s easy to experiment...
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Neo4j database is the only transactional database that combines everything you need...
» more
Stardog provides a full featureset to aid in data integration for your complex data....
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Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
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Metadata enrichment and management, linked open data publishing, semantic inferencing...
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Real-Time Recommendations Master Data Management Identity and Access Management Network...
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Stardog is frequently used for: Anti-money laundering & fraud monitoring Customer...
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Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
BBC, Press Association, Financial Times, DK, Euromoney, The British Museum, Getty...
» more
Over 300 commercial customers and over 750 startups use Neo4j. Flagship customers...
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Bosch, Dow Jones, Elsevier, Ericsson, Morgan Stanley, NASA, NIH, Nokia, Salesforce,...
» more
Market metricsWith hundreds of customers and over 28 million devices/applications using the product...
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GraphDB is the most utilized semantic triplestore for mission-critical enterprise...
» more
Neo4j boasts the world's largest graph database ecosystem with more than a 15 million...
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Stardog's technology is based on ground-breaking research by our founders cited 10,000+...
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Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
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GraphDB-Free is free to use. SE and Enterprise are licensed per CPU-Core used. Perpetual...
» more
GPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
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A fully-featured 60-day Trial license is available for those testing Stardog; contact...
» more
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More resources
eXtremeDBGraphDB infoformer name: OWLIMNeo4jStardog
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Conferences and events

GraphDB Fundamentals: Adding Meaning to Your Data
Webinar, 4pm GMT, 8am PST, 5pm CET, 25 March 2020 (finished)

GraphDB 9.2 Supports RDF* to Match the Expressivity of Property Graphs
Webinar, 5 pm CEST / 12 pm EDT / 6 pm EEST, 14 May 2020 (finished)

Recent citations in the news

Pessimistic Optimistic Generic Ref to Images
2 June 2020, Embedded Computing Design

eXtremeDB 8.1 adds features for easier, more sophisticated database management
19 November 2019, GlobeNewswire

McObject's eXtremeDB for HPC is now available on AWS
15 October 2019, GlobeNewswire

Unique Active Replication Fabric feature announced by McObject for its eXtremeDB IoT SDK bundle
13 May 2019, GlobeNewswire

Distributed Database Systems' Relevance to the Internet of Things
5 December 2019, Embedded Computing Design

provided by Google News

Ontotext releases new version of GraphDB
15 May 2020, KMWorld Magazine

Ontotext's GraphDB 9.2 Supports RDF* to Match the Expressivity of Property Graphs
30 April 2020, Yahoo Finance

Ontotext Platform 3.0 for Enterprise Knowledge Graphs Released
16 December 2019, PRNewswire

Ontotext's GraphDB 9.0 Open-sources its Front-end and Engine Plugins to Empower Knowledge Graph Solutions
3 October 2019, PRNewswire

Ontotext GraphDB Named Innovator in Bloor's Graph Database Market Research
11 February 2019, PRNewswire

provided by Google News

The World's Leading Companies Use Neo4j to Manage Supply Chains, Boost Resilience and Ensure Business Continuity
27 May 2020, PRNewswire

Case: Trademarks/Abandonment (ND Cal.)
26 May 2020, Bloomberg Law

GPU Database Market Size (COVID-19 Impact) 2020-26: Kinetica DB, OmniSci, Neo4j
1 June 2020, Bandera County Courier

Rising Opportunities in GPU Database Market | • Neo4j • Anaconda • NVIDIA • Blazegraph • OmniSci
29 May 2020, Cole of Duty

The 7 Best Graph Databases to Consider for 2020
28 May 2020, Solutions Review

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