[DL] [ANN] -ontop- Release v.1.17 (Now available on official Protege Plugin Repository!)

[Guohui Xiao]

We are happy to announce the availability of

           -ontop- v.1.17 (Now available on official Protege Plugin
Repository!)

a Java framework to query ontologies with mappings to databases.

If you are interested in virtual RDF graphs, R2RML mappings and/or
RDFS/OWL2QL reasoning, then -ontop- is for you. The system implements
the cutting edge SPARQL-to-SQL and query optimisation techniques that
allow it to answer SPARQL queries using SQL databases while obtaining
great  performance.

With -ontop-, you don't need to move your data from your already
efficient database in order to enjoy the benefits of the RDF data
model, the SPARQL query language or RDF/OWL2QL inference.
And there is no need for expensive ETL or forward/backward chaining either.

You can use -ontop- from command line, as an API, as a SPARQL end-point, or
as a Protege plugin.

The highlights of this new release include:

- Protege
 -- Ontop protege plugin now available on official Protege Plugin
Repository!
 -- Upgrade Protege to 5.0.0-beta-21 (latest version)
 -- Ontop protege plugin is packed as one jar now -- no need for separated
OSGI JDBC configuration jars
  -- Do not generate .obda and .q file when no datasource is present
  -- General improvement of UI -- more intuitive and less confusion
- Support for Annotation Properties in mappings
- Improvement of Ontop mapping language for URIs/Literals retrieved from DB
columns
- Support for SPARQL VALUES keyword for SPARQL federation
- Java 8
- Upgrade OWLAPI to v4.1.3 (latest version)

Further details in:
https://github.com/ontop/ontop/wiki/OntopReleases#v1.17

The system is available for FREE at

http://ontop.inf.unibz.it/

Please, try it out and help us improve it by sending us your feedback.
Tell us how YOU are using -ontop-!
https://github.com/ontop/ontop/wiki/UseCases


Cheers,
The -ontop- development team

Website:
http://ontop.inf.unibz.it

Documentation:
https://github.com/ontop/ontop/wiki

Github:
https://github.com/orgs/ontop/

Follow us on Facebook
https://www.facebook.com/obdaontop

-- 
Guohui Xiao, PhD
Assistant Professor with a fixed-term contract
KRDB - Faculty of Computer Science
Free University of Bozen-Bolzano
Piazza Domenicani, 3
I-39100 Bolzano, Italy

http://www.ghxiao.org
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