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DBMS > Graph Engine vs. LokiJS vs. RDFox

System Properties Comparison Graph Engine vs. LokiJS vs. RDFox

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Editorial information provided by DB-Engines
NameGraph Engine infoformer name: Trinity  Xexclude from comparisonLokiJS  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionA distributed in-memory data processing engine, underpinned by a strongly-typed RAM store and a general distributed computation engineIn-memory JavaScript DBMSHigh performance knowledge graph and semantic reasoning engine
Primary database modelGraph DBMS
Key-value store
Document storeGraph DBMS
RDF store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.61
Rank#240  Overall
#21  Graph DBMS
#35  Key-value stores
Score0.43
Rank#264  Overall
#42  Document stores
Score0.23
Rank#308  Overall
#25  Graph DBMS
#14  RDF stores
Websitewww.graphengine.iogithub.com/­techfort/­LokiJSwww.oxfordsemantic.tech
Technical documentationwww.graphengine.io/­docs/­manualtechfort.github.io/­LokiJSdocs.oxfordsemantic.tech
DeveloperMicrosoftOxford Semantic Technologies
Initial release201020142017
Current release6.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation language.NET and CJavaScriptC++
Server operating systems.NETserver-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
Windows
Data schemeyesschema-freeyes infoRDF schemas
Typing infopredefined data types such as float or dateyesnoyes
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 views
SQL infoSupport of SQLnonono
APIs and other access methodsRESTful HTTP APIJavaScript APIRESTful HTTP API
SPARQL 1.1
Supported programming languagesC#
C++
F#
Visual Basic
JavaScriptC
Java
Server-side scripts infoStored proceduresyesView functions in JavaScript
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnonereplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate 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 datanono infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentoptional: either by committing a write-ahead log (WAL) to the local persistent storage or by dumping the memory to a persistent storageyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnoRoles, resources, and access types

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More resources
Graph Engine infoformer name: TrinityLokiJSRDFox
DB-Engines blog posts

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