[esip-semantictech] [PROPOSAL] Create a Linked Data-as-a-Service (LDaaS) Service for COR

[Mcgibbney, Lewis J (398M)]

Hi Folks,

I would like to plant a seed for discussion over the next month or so which would enable the Semantic Technologies Committee, through the Community Ontology Repository (COR) to provide an LDaaS service to the ESSI community.

Why???
COR enables data publishers to publish structured data so that it can be interlinked and become more useful. Right now, it is mostly being used as a repository for ontologies and other vocabularies and I personally believe that a lot of people do not know what they can do with it or that they do not understand how it could be useful for them. I feel that there is much more we could be doing with COR to enable more widespread use of vocabularies and ontologies in knowledge-based systems.

What is LDaaS and how would it work?
Put simply LDaaS would be a hosted service we would offer which would provide the underlying software stack and networking requirements to enable data providers to publish structured data as linked data using their own URI’s. Either they purchase the URI they wish to use or else we create one for them.
SWEET is the primary example of how LDaaS would work

  *   We choose and purchased a top-level domain namespace e.g. http://sweetontology.net
  *   We put in place the HTTP redirects such that any requests to the above namespace resolve to the COR-service which both hosts and serves the SWEET resources.
  *   The COR service also sits in the background enabling applications to query linked data resources via a standards-based query language over HTTP (SPARQL-over-HTTP). Additionally it provides a lot of additional functionality such as content negotiation.
We (Carlos and a few others who have been working on COR in the background) have documented how this works in practice at [0]. Essentially for each new resource which comes in, we replicate the process at [0] which subsequently streamlines the publication process for data providers. They can then interact with the data as they would if they had provisioned a fully managed, correctly networked linked data software stack.

In my opinion this takes the concept of COR as a community ontology repository to something entirely new e.g. we are going way beyond the ‘repository’ portion of the statement.

So, what are the proposed steps forward?
We run a small pilot which would demonstrate the capability. Between now and the upcoming ESIP Meeting in around 2 weeks’ time we should identify a suitable data provider/customer who would be interested in using a hosted service as described above.
Once we have proved the concept, we can make a formal announcement to the wider ESIP community and also to the following arenas

  *   Ruth Duerr - EarthCube Semantics Working Group
  *   Soren Scott - RDA Provenance Working Group
  *   Stephen Richard - RDA Vocab Services, Terminology IG, and DataType Registry Working Groups
  *   Stace Beaulieu - USGS CDI Semantic Web Working Group
  *   Adam Shepherd - The Ontolog Community
  *   Lewis McGibbney<http://wiki.esipfed.org/index.php?title=User:Lmcgibbn&action=edit&redlink=1> - Spatial Data on the Web (SDW)<http://w3c.github.io/sdw/%7CW3C+OGC>
  *   Bhaskar Ramachandran - The International Association for Ontology and its Applications (IAOA), http://www.iaoa.org/
  *   Pascal Hitzler - Ontology Design & Patterns Association
  *   John Graybeal - Lead of MMI ORR, BioPortal projects
Are there any comments on the above? Thank you for your consideration and for reading through.
Lewis

[0] https://github.com/ESIPFed/sweet/wiki/sweetontology.net

Dr. Lewis John McGibbney Ph.D., B.Sc.
Data Scientist II
Computer Science for Data Intensive Applications Group (398M)
Instrument Software and Science Data Systems Section (398)
Jet Propulsion Laboratory
California Institute of Technology
4800 Oak Grove Drive
Pasadena, California 91109-8099
Mail Stop : 158-256C
Tel:  (+1) (818)-393-7402
Cell: (+1) (626)-487-3476
Fax:  (+1) (818)-393-1190
Email: lewis.j.mcgibbney at jpl.nasa.gov<mailto:lewis.j.mcgibbney at jpl.nasa.gov>
ORCID: orcid.org/0000-0003-2185-928X

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