AllegroGraph

AllegroGraph is a closed source triplestore which is designed to store RDF triples, a standard format for Linked Data.[1] It also operates as a document store designed for storing, retrieving and managing document-oriented information, in JSON-LD format. AllegroGraph is currently in use in commercial projects[2][3][4][5] and a US Department of Defense project.[6] It is also the storage component for the TwitLogic project[7] that is bringing the Semantic Web to Twitter data.[8]

AllegroGraph
Developer(s)Franz Inc.
Stable release
7.0.0 / April 28, 2020 (2020-04-28)
Written inJava, Python, Common Lisp
Operating systemMicrosoft Windows (32 and 64-bit), Mac OS X (Intel, 32 and 64-bit), Linux (32 and 64-bit)
LicenseProprietary commercial software
Websiteallegrograph.com

Implementation

AllegroGraph was developed to meet W3C standards for the Resource Description Framework, so it is properly considered an RDF Database. It is a reference implementation for the SPARQL protocol.[9] SPARQL is a standard query language for linked data, serving the same purposes for RDF databases that SQL serves for relational databases.[10]

Franz Inc. is the developer of AllegroGraph. It also develops Allegro Common Lisp, an implementation of Common Lisp, a dialect of Lisp (programming language). The functionality of AllegroGraph is made available through Java, Python, Common Lisp and other APIs.[11]

The first version of AllegroGraph was made available at the end of 2004.[12]

Languages

AllegroGraph has client interfaces for Java, Python, Ruby, Perl, C#, Clojure, and Common Lisp. The product is available for Windows, Linux, and Mac OS X platforms, supporting 32 or 64 bits.[13]

AllegroGraph includes an implementation of Prolog based on the implementation developed by Peter Norvig in Paradigms of Artificial Intelligence Programming.[14]

References
  1. Claburn, Thomas (16 April 2007). "Web 2.0 Arrives to Find Web 3.0 Underway". Dr. Dobb. UBM Tech. Archived from the original on 4 September 2015. Retrieved 22 September 2015.
  2. GenomeWeb-Pfizer Article
  3. Eli Lilly Project Presentation
  4. "Making a Semantic Web Business Case at Pfizer". Archived from the original on 2010-06-27. Retrieved 2010-05-18.
  5. Society, IEEE Computer (2008). Proceedings, IEEE International Conference on Semantic Computing 2008 ICSC 2008 : 4-7 August 2008, Santa Clara, California. [Piscataway, N.J.]: IEEE Xplore. ISBN 978-0-7695-3279-0.
  6. Contributions to a Semantically Based Intelligence Analysis Enterprise Workflow System
  7. TwitLogic Paper
  8. Snoek, C.G.M.; Huurnink, B.; Hollink, L.; de Rijke, M.; Schreiber, G.; Worring, M. (August 2007). "Adding Semantics to Detectors for Video Retrieval" (PDF). IEEE Transactions on Multimedia. 9 (5): 975–986. doi:10.1109/TMM.2007.900156. hdl:1871/24469.
  9. SPARQL Protocol Implementation Report
  10. R, Angles (2012). 2012 IEEE International Conference on Data Engineering Workshops. Piscataway: IEEE. ISBN 978-1-4673-1640-8.
  11. Watson, Mark (2009). Scripting intelligence : Web 3.0 information gathering and processing (New ed.). Berkeley, CA: Apress. ISBN 9781430223511.
  12. Watson, Mark (2009). Scripting intelligence : Web 3.0 information gathering and processing (New ed.). Berkeley, CA: Apress. ISBN 9781430223511.
  13. "AllegroGraph Client Downloads".
  14. Allegro Prolog
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