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DBMS > Weaviate

Weaviate System Properties

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NameWeaviate
DescriptionA RESTful and GraphQL based knowledge graph with a built-in semantic model called the contextionary which allows a user to store data based on its semantic meaning
Primary database modelGraph DBMS
Secondary database modelsSearch engine
Websitegithub.com/­semi-technologies/­weaviate
www.semi.technology/­products/­weaviate.html
Technical documentationwww.semi.technology/­documentation/­weaviate/­current
DeveloperSeMI Technologies B.V.
Initial release2017
Current release0.20, October 2019
License infoCommercial or Open SourceOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGo
Data schemeyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyes 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.no
Secondary indexesyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLGraphQL is used as query language
APIs and other access methodsGraphQL query language
RESTful HTTP/JSON API
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlOpenID Connect Discovery

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