<div dir="ltr"><div>We are happy to announce the availability of</div><div><br></div><div> -ontop- v1.18 </div><div> </div><div>a Java framework to query ontologies with mappings to databases.</div><div><br></div><div>If you are interested in virtual RDF graphs, R2RML mappings and/or</div><div>RDFS/OWL2QL reasoning, then -ontop- is for you. The system implements</div><div>the cutting edge SPARQL-to-SQL and query optimisation techniques that</div><div>allow it to answer SPARQL queries using SQL databases while obtaining</div><div>great performance.</div><div><br></div><div>With -ontop-, you don't need to move your data from your already</div><div>efficient database in order to enjoy the benefits of the RDF data</div><div>model, the SPARQL query language or RDF/OWL2QL inference.</div><div>And there is no need for expensive ETL or forward/backward chaining either.</div><div><br></div><div>You can use -ontop- from command line, as a Java API, as a SPARQL end-point, or as a Protege plugin.</div><div><br></div><div>After the deployment to -ontop- v1.17 to Protege plugin repository, we have received many feedback and bug reports, </div><div>most of which are addressed in this new release. </div><div><br></div><div>The highlights of this new release include:</div><div><br></div><div>- Improvement of Protege plugin</div><div>-- Redesigned materialization action dialog</div><div>-- Upgrade to Protege 5.0.0 (latest version)</div><div>-- Numerous bug fixes</div><div><br></div><div>- Support of SPARQL querying of annotation property assertions in the ontology </div><div>- Support of the use of owl:sameAs in mappings</div><div>- Upgrade OWLAPI to v4.2.5</div><div><br></div><div>Further details in:</div><div><br></div><div><a href="https://github.com/ontop/ontop/wiki/OntopReleases#v1.18.0">https://github.com/ontop/ontop/wiki/OntopReleases#v1.18.0</a></div><div><br></div><div>The system is available for FREE at</div><div><br></div><div><a href="http://ontop.inf.unibz.it/">http://ontop.inf.unibz.it/</a></div><div><br></div><div>If you are a protege user, you will receive the new version of -ontop- plugin automatically.</div><div><br></div><div>Please, try it out and help us improve it by sending us your feedback.</div><div><br></div><div>Tell us how YOU are using -ontop-!</div><div><br></div><div><a href="https://github.com/ontop/ontop/wiki/UseCases">https://github.com/ontop/ontop/wiki/UseCases</a></div><div><br></div><div><br></div><div>Cheers,</div><div><br></div><div>The -ontop- development team</div><div><br></div><div>Website: <a href="http://ontop.inf.unibz.it">http://ontop.inf.unibz.it</a></div><div>Documentation: <a href="https://github.com/ontop/ontop/wiki">https://github.com/ontop/ontop/wiki</a></div><div>Github: <a href="https://github.com/orgs/ontop/">https://github.com/orgs/ontop/</a></div><div>Follow us on Facebook: <a href="https://www.facebook.com/obdaontop">https://www.facebook.com/obdaontop</a></div><div>Twitter: <a href="https://twitter.com/ontop4obda">https://twitter.com/ontop4obda</a></div><div><br></div>-- <br><div class="gmail_signature">Guohui Xiao, PhD<br>Assistant Professor with a fixed-term contract<br>KRDB - Faculty of Computer Science <br>Free University of Bozen-Bolzano<br>Piazza Domenicani, 3 <br>I-39100 Bolzano, Italy <br><br><a href="http://www.ghxiao.org" target="_blank">http://www.ghxiao.org</a></div>
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