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DBMS > LokiJS vs. Newts vs. RDFox

System Properties Comparison LokiJS vs. Newts vs. RDFox

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonNewts  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSTime Series DBMS based on CassandraHigh performance knowledge graph and semantic reasoning engine
Primary database modelDocument storeTime Series DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.48
Rank#262  Overall
#42  Document stores
Score0.00
Rank#396  Overall
#42  Time Series DBMS
Score0.24
Rank#309  Overall
#25  Graph DBMS
#14  RDF stores
Websitegithub.com/­techfort/­LokiJSopennms.github.io/­newtswww.oxfordsemantic.tech
Technical documentationtechfort.github.io/­LokiJSgithub.com/­OpenNMS/­newts/­wikidocs.oxfordsemantic.tech
DeveloperOpenNMS GroupOxford Semantic Technologies
Initial release201420142017
Current release6.0, Septermber 2022
License infoCommercial or Open SourceOpen SourceOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Windows
Linux
macOS
Windows
Data schemeschema-freeschema-freeyes infoRDF schemas
Typing infopredefined data types such as float or datenoyesyes
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 indexesyes infovia viewsno
SQL infoSupport of SQLnonono
APIs and other access methodsJavaScript APIHTTP REST
Java API
RESTful HTTP API
SPARQL 1.1
Supported programming languagesJavaScriptJavaC
Java
Server-side scripts infoStored proceduresView functions in JavaScriptno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on Cassandra
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on Cassandrareplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnonoRoles, resources, and access types

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More resources
LokiJSNewtsRDFox
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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