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DBMS > Neo4j vs. VelocityDB vs. Weaviate

System Properties Comparison Neo4j vs. VelocityDB vs. Weaviate

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Editorial information provided by DB-Engines
NameNeo4j  Xexclude from comparisonVelocityDB  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionOpen source graph databaseA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)A cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelGraph DBMSGraph DBMS
Object oriented DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score51.34
Rank#21  Overall
#1  Graph DBMS
Score0.12
Rank#300  Overall
#29  Graph DBMS
#16  Object oriented DBMS
Score0.10
Rank#311  Overall
#16  Search engines
Websiteneo4j.comvelocitydb.comgithub.com/­semi-technologies/­weaviate
www.semi.technology/­solutions/­weaviate
Technical documentationneo4j.com/­docsvelocitydb.com/­UserGuidewww.semi.technology/­documentation/­weaviate/­current
DeveloperNeo4j, Inc.VelocityDB IncSeMI Technologies B.V.
Initial release200720112017
Current release4.1.3, October 20207.x0.22.14, July 2020
License infoCommercial or Open SourceOpen Source infoGPL version3, commercial licenses availablecommercialOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ScalaC#Go
Server operating systemsLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Any that supports .NET
Data schemeschema-free and schema-optionalyesyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyes infostring, int, float, geo point, date, cross reference, fuzzy references
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 infopluggable indexing subsystem, by default Apache Luceneyesyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLnonoGraphQL is used as query language
APIs and other access methodsBolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
.NetGraphQL query language
RESTful HTTP/JSON API
Supported programming languages.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
.Net
Server-side scripts infoStored proceduresyes infoUser defined Procedures and Functionsnono
Triggersyes infovia event handlerCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlyyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)Based on Windows AuthenticationOpenID Connect Discovery
More information provided by the system vendor
Neo4jVelocityDBWeaviate
Specific characteristicsNeo4j is a native graph database platform that is built to store, query, analyze...
» more
Competitive advantagesNeo4j database is the only transactional database that combines everything you need...
» more
Typical application scenariosReal-Time Recommendations Master Data Management Identity and Access Management Network...
» more
Key customersOver 300 commercial customers and over 750 startups use Neo4j. Flagship customers...
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than a 15 million...
» more
Licensing and pricing modelsGPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
News

This Week in Neo4j – Graph-Native Machine Learning in Neo4j, All About Super Nodes, Quick prototyping with GRAND stack
24 October 2020

#GraphCast: Graph Data Science Library
23 October 2020

Graph Visualization Just Got Easier: Introducing Neo4j Bloom 1.4!
22 October 2020

Announcing: Graph-Native Machine Learning in Neo4j!
21 October 2020

NODES 2020 Virtual Space: Have a Peek
19 October 2020

Weaviate in IEEE

Weaviate on DB-engines.com

Introduction & Demo video

FLOSS Weekly Podcast

FOSDEM 2020 video

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Neo4jVelocityDBWeaviate
DB-Engines blog posts

Applying Graph Analytics to Game of Thrones
12 June 2019, Amy Hodler & Mark Needham, Neo4j (guest author)

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

The openCypher Project: Help Shape the SQL for Graphs
22 December 2015, Emil Eifrem (guest author)

show all

Recent citations in the news

Neo4j Is the Choice of Leading Companies for Graph Databases in the Cloud
20 October 2020, Yahoo Finance

Google, NASA, PayPal and the World Bank to Headline Neo4j's NODES 2020 Developer Conference
14 October 2020, PRNewswire

Don't Miss NODES 2020, the Largest Graph Developer Event of the Year
28 September 2020, Datanami

Learning Graph Databases Just Got a Whole Lot Easier
5 October 2020, Datanami

Neo4j Democratizes Graph-Based Machine Learning with the Launch of Graph Data Science™
21 October 2020, Read IT Quik

provided by Google News

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