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JRuby Topic Maps
- 1. JRuby Topic Maps Arnim Bleier, Benjamin Bock, Uta Schulze and Lutz Maicher {bleier, bock, uta.schulze, maicher} @informa:k.uni-‐leipzig.de Agenda: • Java, Ruby and Topic Maps • Re)using Exis@ng Code ( • Scalability and Performance Fi>h Interna@onal Conference on Topic Maps Research and Applica@ons Talks@TMRA Leipzig, 2009-‐13-‐11 topicmapslab.de
- 2. Introduc@on The Seman@c Web is about Integra@on of Data. Java and Ruby equally have something to offer. Why not combine them and get the best of booth languages? topicmapslab.de
- 3. What has Java to offer? high performance easy hos@ng mul@ple, fast TMAPI Implementa@ons reuse of exis@ng Very Good Code topicmapslab.de
- 4. …and What is Ruby for? crea@ng Domain Specific Languages rapid Prototyping rapid Web Development rapid Applica@on Development topicmapslab.de
- 5. Bringing booth together So>ware and its development needs to be integrated, too. topicmapslab.de
- 6. Goals of JRTM • Keeping the TMAPI contract intact • Suppor@ng different engines in parallel • Each TMQL axis as one method call • A single IO interface • Maintaining the syntax from RTM • Performance topicmapslab.de
- 7. So … let’s connect tms = RTM.connect! :implementation => :TINYTIM" topicmapslab.de
- 8. So … let’s connect tms = RTM.connect (:implementation => :ONTOPIA," ! ! ! ! ! ! :backend! => :RDBMS," ! ! ! ! ! ! :properties => “path/to/jdbc.props”)" topicmapslab.de
- 9. and create a Topic tms = RTM.connect" tm = tms.create http://example.com/tm/" locator = tm.createLocator “http://ex.com/Thing”" topic = tm.createTopicByItemIdentifier locator " topicmapslab.de
- 10. and create a Topic tms = RTM.connect" tm = tms.create “http://example.com/tm/” " topic = tm.get! “ii:http://ex.com/Thing”" Topic Reference: subject iden@fier: nothing or “si:” subject locator: “=” or “sl:” item iden@fier: “^” or “ii:” topicmapslab.de
- 11. and create a Topic tms = RTM.connect" tm = tms.create “http://example.com/tm/” " topic = tm.get! “^http://ex.com/Thing”" Topic Reference: subject iden@fier: nothing or “si:” subject locator: “=” or “sl:” item iden@fier: “^” or “ii:” topicmapslab.de
- 12. Hash Access topic[“-nickname @office”] = “Lutz”" topic[“email”] = “maicher@informatik.uni-leipzig.de”" university_of_leipzig = association[“employer”] Topics[“type @scope1, scope2”] -Names are prefixed with “-” Occurrences are not prefixed Associa9ons[“type @scope1”] Roles topicmapslab.de
- 13. TMQL -‐ Naviga@on tel_nums = Employee.tmql.reverse_types." ! characteristics(“Tel_Nr”).atomify.result" Keywords: Enter & leave the mode: tmql, result The 12 axes: roles, traverse, characteris9cs ... topicmapslab.de
- 14. JRTM::IO tm.from_jtm “path/to/file.jtm”" tm.to_jtm “path/to/file.jtm”, “http://ex.com/baseIRI”" TMXML RDF/N3 XTM1 JTM RDF/XML XTM20 LTM Thanks to Lars Heuer’s topicmapslab.de
- 15. Under the hood … and in the perspec@ve Your Application RTM RTMAPI topicmapslab.de
- 16. Under the hood … and in the perspec@ve Your Application RTM tmapiX RTMAPI ONTOPIA @nyTiM … ? TMAPI topicmapslab.de
- 17. Under the hood … and in the perspec@ve Your Application RTM::Sugar RTM::TMQL RTM::IO RTMAPI RTM::CoreExtensions tmapiX ONTOPIA @nyTiM … ? TMAPI topicmapslab.de
- 18. Under the hood … and in the perspec@ve Musica Your Majana Migrans Application RTM::Sugar RTM::TMQL RTM::IO RTMAPI RTM::CoreExtensions tmapiX RTM::AR ONTOPIA @nyTiM … ? TMAPI topicmapslab.de
- 19. But is it produc@on ready? Over 600 Test Cases Musica Migrans II Maiana … when will you start to benefit? hjp://rtm.topicmapslab.de