Blazegraph Explained
Blazegraph |
Developer: | Systap |
Latest Release Version: | 2.1.5 |
Latest Release Date: | [1] |
Latest Preview Version: | 2.1.6rc |
License: | GNU GPL (version 2)[2] |
Blazegraph is an open source triplestore and graph database,[3] [4] [5] [6] developed by Systap, which is used in the Wikidata SPARQL endpoint and by other large customers. It is licensed under the GNU GPL (version 2).
Amazon acquired the Blazegraph developers and the Blazegraph open source development was essentially stopped in April 2018.[7]
Early history
The system was first known as Bigdata. Since release of version 1.5 (12 February 2015), it is named Blazegraph.[8] [9]
Prominent users
Notable features
- RDF* — an alternative approach to RDF reification,[12] which gives RDF graphs capabilities of graphs;[13]
- as the consequence of the previous, ability of querying graphs both in SPARQL and Gremlin;[14] [15]
- as an alternative to Gremlin querying, abstraction over RDF graphs support in SPARQL;[16]
- The
SERVICE
syntax of federated queries for functionality extending;[17]
- Managed behavior of the query plan generator;[18]
- Reusable named subqueries.[19]
Acqui-hiring by Amazon Web Service (AWS)
It was alleged[20] that Amazon Neptune is based on Blazegraph, as evidenced by:
External links
Notes and References
- Web site: Releases - blazegraph/database. GitHub. 8 March 2020.
- Web site: LICENSE.txt file. GitHub. 8 March 2020.
- Book: Domingue . John . Fensel . Dieter . Hendler . James A. . Kiryakov . Atanas . Mariana . Damova . Handbook of Semantic Web Technologies . limited . Springer-Verlag Berlin Heidelberg . 2011 . 271–272 . 978-3-540-92912-3 . Chapter 7: Storing the Semantic Web: Repositories.
- Book: Thompson . Bryan . Personick . Mike . Cutcher. Martin . Harth . Andreas . Hose . Katja . Katja Hose. Schenkel . Ralf . Linked data management . CRC Press . 2014. 193–237 . Chapter 8: The bigdata RDF Graph Database. 978-1-466-58240-8.
- Book: Sikos, Leslie . Mastering structured data on the Semantic Web . APress . 171 . 2015 . 978-1-4842-1049-9.
- Book: Sakr . Sh. . Wylot . M. . Mutharaju . R. . Le Phuoc . D. . Fundulaki . I. . Linked Data: Storing, Querying, and Reasoning . Springer International Publishing Imprint Springer . 70–71. 2018 . 978-3-319-73515-3.
- Web site: Blazegraph fork?. 12 April 2018. GitHub.
- Web site: Blazegraph - Semantic Web Standards. W3.org. en. 2018-08-29.
- Web site: Announcing Blazegraph Release 1.5.0 | Blazegraph(tm). blog.blazegraph.com. 2018-09-17.
- Web site: Wikidata-tech Wikidata Query Backend Update (take two!). en. lists.wikimedia.org. 2018-08-29. (The message also contains a link to the graph databases comparison performed by Wikimedia.)
- Web site: Principes de l'API. fr. Framagit.io. 2018-08-29.
- Hartig, Olaf. Thompson, Bryan. Foundations of an Alternative Approach to Reification in RDF . 1406.3399. cs.DB . 2014 .
- Hartig, Olaf. Reconciliation of RDF* and Property Graphs. 1409.3288. cs.DB. 2014.
- Web site: TinkerPop-enabled Providers. tinkerpop.apache.org. en. 2018-08-29. https://web.archive.org/web/20180210003924/http://tinkerpop.apache.org/providers.html. 2018-02-10. live. (Currently, the Blazegraph logo is replaced with the Amazon Neptune logo.)
- Web site: Blazegraph TinkerPop Implementation. GitHub.com. en. 2018-08-29.
- Book: MapGraph: A High Level API for Fast Development of High Performance Graph Analytics on GPUs. Fu. Zhisong. Personick. Michael. Proceedings of Workshop on GRAph Data Management Experiences and Systems . 2014 . 978-1-4503-2982-8 . 1–6.
- Web site: Wikidata Query Service: User manual. Extensions. MediaWiki.org. en. 2018-08-29.
- Web site: Query Hints. Blazegraph Wiki. en. 2018-08-29.
- Web site: Named Subquery. Blazegraph Wiki. en. 2018-08-29.
- Web site: SPARQL and Amazon Web Service's Neptune database. Bob DuCharme's weblog. 2018-08-29.
- Web site: BLAZEGRAPH Trademark of Amazon Technologies, Inc.. Serial Number: 86498414. Trademarkia.com. en. 2018-08-29.
- Web site: blazegraph.com. ICANN WHOIS. en. 2018-08-29.
- Web site: Bradley Bebee. LinkedIn.com. en. 2018-08-29.