Software:Apache Marmotta

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Apache Marmotta
Apache Marmotta Logo
Developer(s)Apache Software Foundation
Initial releaseOctober 3, 2013; 10 years ago (2013-10-03)
Final release
3.4.0 / June 12, 2018; 5 years ago (2018-06-12)
RepositoryMarmotta Repository
Written inJava
Available inEnglish
TypeTriplestore, rule reasoner
LicenseApache License 2.0
Websitemarmotta.apache.org

Apache Marmotta is a linked data platform that comprises several components. In its most basic configuration it is a Linked Data server.[1][2] Marmotta is one of the reference projects early implementing the new Linked Data Platform[3][4][5] recommendation that is being developed by W3C.

It has been contributed by Salzburg Research from the Linked Media Framework,[6][7][8][9] and continues its versioning, hence starting at version 3.0.0.

Since April 2013, it is listed among the Semantic Web tools by the W3C.[10]

In November 2020, it was retired to the Apache Attic, meaning that the project is no longer being developed.[11]

Components

The project is split in several parts: the platform itself, which includes full Read Write Linked Data, SPARQL, LDP, Reasoning, and basic security. In addition to the platform, the project develops some libraries can also be used separately:

  • KiWi, a Triplestore built on top of a relational database.
  • LDPath, a path language to navigate across Linked Data resources.
  • LDClient, a Linked Data client that allows retrieval of remote resources via different protocols by making use of pluggable adapters (data providers) that wrap other data sources (such as YouTube and Facebook).[12]
  • LDCache, a cache system that automatically retrieves resources by internally using LDClient.

History

Linked Media Framework (pre-Apache)

Apache Marmotta is the continuation of the open source Linked Media Framework published in early 2012.[13][14]

Apache Marmotta

  • On November 16, 2012 it is proposed to the Apache Software Foundation under the name of Apache Linda, later changed to Apache Marmotta in order to avoid confusion with the Linda language.[15]
  • On 3 December 2012 Marmotta enters incubation.[16]
  • On April 26, 2013 Marmotta 3.0.0-incubating is released.[17]
  • On October 3, 2013 Marmotta 3.1.0-incubating is released.[18]
  • In November 2013, it graduated as top-level project.[19][20][21]
  • In April 2014, the project released its first actual release under the umbrella of the Apache Software Foundation: 3.2.0 version.[22]
  • On 5 December 2014, the project published the version 3.3.0.[23][24]

Notable users

Bibliography

References

  1. "Apache Marmotta". Apache Marmotta. http://marmotta.apache.org. 
  2. GmbH, RedLink. "Apache Marmotta (top-level project) is an Open Platform for Linked Data.". http://redlink.co/portfolio/apache-marmotta/. 
  3. Steve Speicher; John Arwe; Ashok Malhotra (July 30, 2013). Linked Data Platform 1.0 (Last Call Working Draft ed.). W3C. http://www.w3.org/TR/2013/WD-ldp-20130730/. Retrieved 2013-11-24. 
  4. "LDP Implementations". W3C LDP Working Group. http://www.w3.org/wiki/LDP_Implementations#Apache_Marmotta_.28Client_and_Server.29. 
  5. "LDP Implementation Report for Apache Marmotta". //lists.w3.org/Archives/Public/public-ldp-comments/2014Sep/0004.html. 
  6. "Linked Media Framework". http://lmf.googlecode.com/. 
  7. "Apache Marmotta incubation proposal". Apache. http://wiki.apache.org/incubator/MarmottaProposal#Background. 
  8. "Apache Marmotta - Acknowledgements". Apache Marmotta. http://marmotta.apache.org/acknowledgements.html. 
  9. "Apache Marmotta is now a Top Level Apache Project". Redlink GmbH. http://redlink.co/apache-marmotta/. 
  10. W3C - Semantic Web - Apache Marmotta
  11. "Apache Marmotta". The Apache Software Foundation. https://attic.apache.org/projects/marmotta.html. 
  12. "Converter to RDF". W3C. http://www.w3.org/wiki/ConverterToRdf#Apache_Marmotta_LDClient. 
  13. "W3C - Semantic Web - Apache Marmotta". W3C. https://www.w3.org/2001/sw/wiki/Marmotta. 
  14. Schaffert, Sebastian (26 April 2013). "[ANNOUNCE] Apache Marmotta 3.0.0-incubating released!". announce@apache.org (Mailing list). Retrieved 2013-12-25.
  15. "Apache Marmotta (was: Apache Linda)". org.apache.incubator.general (Mailing list). 16 November 2012. Retrieved 2013-12-25.
  16. "Marmotta Project Incubation Status page". Apache. http://incubator.apache.org/projects/marmotta.html. 
  17. Schaffert, Sebastian (26 April 2013). "Apache Marmotta 3.0.0-incubating released!". semantic-web AT w3.org (Mailing list). Retrieved 2013-11-21.
  18. Schaffert, Sebastian (3 October 2013). "Apache Marmotta 3.1.0-incubating released!". semantic-web AT w3.org (Mailing list). Retrieved 2013-11-21.
  19. Frank, Jakob (28 October 2013). "org.apache.incubator.general". http://mail-archives.apache.org/mod_mbox/incubator-marmotta-dev/201310.mbox/%3C1382947773.2712.12.camel%40kis07%3E. 
  20. "Apache Marmotta graduated to top-level project". Salzburg Research. http://www.salzburgresearch.at/en/2013/apache-marmotta-graduated-top-level-project/. 
  21. "Resolved to establish the Apache Marmotta Project". ASF. http://markmail.org/message/tc5vrsmady3mdo42. 
  22. Frank, Jakob (9 April 2014). "[RESULT[VOTE] Release Apache Marmotta 3.2.0"]. http://mail-archives.apache.org/mod_mbox/marmotta-dev/201404.mbox/%3C1397731707.32602.47.camel%40T440p%3E. 
  23. Frank, Jakob (18 December 2014). "[ANNOUNCE Apache Marmotta 3.3.0 released"]. http://mail-archives.apache.org/mod_mbox/marmotta-dev/201412.mbox/%3C54929F77.2070209%40apache.org%3E. 
  24. "Apache Marmotta - Download". https://marmotta.apache.org/download.html#a3.3.0. 
  25. Georg Güntner, Sebastian Schaffert (June 30, 2013). A Marmot against the Flood of Data. Salzburg NewMediaLab. http://www.newmedialab.at/wp-content/uploads/SNML-TNG_SuccessStory_Marmotta_EN.pdf. Retrieved 2013-11-24. 
  26. "Open Data portal". http://data.enel.com/. 
  27. Cirullo, Raffaele. "Free dataset! Linked data are necessary to do business". http://cirullo.it/2013/07/liberate-dataset-fare-business-servono-linked-data/?lang=en. 
  28. Redlink
  29. "Fusepool Linked Datapool for Technology Intelligence". http://challenge.semanticweb.org/2013/submissions/swc2013_submission_6.pdf. 
  30. "MICO Kick-off Meeting in Salzburg". http://www.mico-project.eu/mico-kick-off-meeting-salzburg/. 
  31. "DPLA wiki". https://digitalpubliclibraryofamerica.atlassian.net/wiki/display/TECH/Marmotta. 
  32. "Frequently Asked Questions". https://docs.wordlift.io/en/latest/faq.html. 
  33. "WordLift: Meaningful Navigation Systems and Content Recommendation for News Sites running WordPress". http://ceur-ws.org/Vol-1361/paper4.pdf. 

External links