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DBMS > Blazegraph vs. Citus

System Properties Comparison Blazegraph vs. Citus

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Editorial information provided by DB-Engines
NameBlazegraph  Xexclude from comparisonCitus  Xexclude from comparison
Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.
DescriptionHigh-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.Scalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQL
Primary database modelGraph DBMS
RDF store
Relational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.96
Rank#180  Overall
#16  Graph DBMS
#8  RDF stores
Score1.48
Rank#140  Overall
#68  Relational DBMS
Websiteblazegraph.comwww.citusdata.com
Technical documentationwiki.blazegraph.comdocs.citusdata.com
DeveloperBlazegraph
Initial release20062010
Current release2.1.5, March 20198.1, December 2018
License infoCommercial or Open SourceOpen Source infoextended commercial license availableOpen Source infoAGPL, commercial license also available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemsLinux
OS X
Windows
Linux
Data schemeschema-freeyes
Typing infopredefined data types such as float or dateyes infoRDF literal typesyes
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.yes infospecific XML type available, but no XML query functionality
Secondary indexesyesyes
SQL infoSupport of SQLSPARQL is used as query languageyes infostandard, with numerous extensions
APIs and other access methodsJava API
RESTful HTTP API
SPARQL QUERY
SPARQL UPDATE
TinkerPop 3
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
C
C++
Java
JavaScript
PHP
Python
Ruby
.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replication infoother methods possible by using 3rd party extensions
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 integrityyes infoRelationships in Graphsyes
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
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlSecurity and Authentication via Web Application Container (Tomcat, Jetty)fine grained access rights according to SQL-standard

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More resources
BlazegraphCitus
Recent citations in the news

GPU Database Market Prediction To 2026, Growth Factors – HeteroDB, Blazegraph, Graphistry, SQream, Jedox, etc – Construction News Portal
27 January 2022, Construction News Portal

Global RDF Databases Software Market 2021 – Top Industry Players as MarkLogic, Ontotext, The Apache Software Foundation, Franz, Blazegraph – The Oxford Spokesman
24 January 2022, The Oxford Spokesman

Graph Database Market 2021 Landscape Development 2028 – The Oxford Spokesman
28 January 2022, The Oxford Spokesman

Systap Announces the Blazegraph™ Platform for RDF and Property Graph Databases
19 February 2015, PR Web

Harnessing GPUs Delivers a Big Speedup for Graph Analytics
15 December 2015, Datanami

provided by Google News

The Next Evolution of the Database Sharding Architecture
12 January 2022, InfoQ.com

Microsoft acquires Citus Data for its open source PostgreSQL tool
24 January 2019, VentureBeat

Microsoft buys Citus Data
24 January 2019, ZDNet

Testing times: Microsoft gets PostgreSQL on Azure a day after GA
4 October 2021, The Register

Microsoft Expands Azure PostgreSQL Moxy Through Citus Data Purchase
30 January 2019, Data Center Knowledge

provided by Google News

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