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DBMS > Apache Jena - TDB vs. Blazegraph vs. LokiJS vs. PouchDB

System Properties Comparison Apache Jena - TDB vs. Blazegraph vs. LokiJS vs. PouchDB

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NameApache Jena - TDB  Xexclude from comparisonBlazegraph  Xexclude from comparisonLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparison
Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkHigh-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.In-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDB
Primary database modelRDF storeGraph DBMS
RDF store
Document storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.62
Rank#83  Overall
#3  RDF stores
Score0.81
Rank#213  Overall
#19  Graph DBMS
#8  RDF stores
Score0.49
Rank#260  Overall
#42  Document stores
Score2.34
Rank#112  Overall
#21  Document stores
Websitejena.apache.org/­documentation/­tdb/­index.htmlblazegraph.comgithub.com/­techfort/­LokiJSpouchdb.com
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlwiki.blazegraph.comtechfort.github.io/­LokiJSpouchdb.com/­guides
DeveloperApache Software Foundation infooriginally developed by HP LabsBlazegraphApache Software Foundation
Initial release2000200620142012
Current release4.9.0, July 20232.1.5, March 20197.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoextended commercial license availableOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaJavaScriptJavaScript
Server operating systemsAll OS with a Java VMLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyes infoRDF Schemasschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infoRDF literal typesnono
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.nono
Secondary indexesyesyesyes infovia viewsyes infovia views
SQL infoSupport of SQLnoSPARQL is used as query languagenono
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
Java API
RESTful HTTP API
SPARQL QUERY
SPARQL UPDATE
TinkerPop 3
JavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesJava.Net
C
C++
Java
JavaScript
PHP
Python
Ruby
JavaScriptJavaScript
Server-side scripts infoStored proceduresyesyesView functions in JavaScriptView functions in JavaScript
Triggersyes infovia event handlernoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnoneSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesnoneMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationnoneEventual Consistency
Foreign keys infoReferential integrityyes infoRelationships in Graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsACIDno infoatomic operations within a single collection possibleno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess control via Jena SecuritySecurity and Authentication via Web Application Container (Tomcat, Jetty)nono

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More resources
Apache Jena - TDBBlazegraphLokiJSPouchDB
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