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Event based modelling

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  • 1. TMRA 2009 Open Space Session November 12, 2009 Event based modelling! Dr. Lutz Maicher Topic Maps Lab at the University of Leipzig maicher@informatik.uni-leipzig.de Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de
  • 2. Einführung in Topic Maps Observation The general approach of how we look at topic maps and how we present data in topic maps: A topic represents all information about one subject .. Event based modelling Dr. Lutz Maicher, Topic Maps Lab maicher@informatik.uni-leipzig.de Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de 2
  • 3. Einführung in Topic Maps Event based modelling Dr. Lutz Maicher, Topic Maps Lab maicher@informatik.uni-leipzig.de Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de 3
  • 4. Einführung in Topic Maps But subjects change in time … • And most of the ontologies don’t reflect it. • And most of the applications don’t reflect it. • Problem • We restrict ourselves. • Solution • We should look more event based on the data. Event based modelling Dr. Lutz Maicher, Topic Maps Lab maicher@informatik.uni-leipzig.de Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de 4
  • 5. Einführung in Topic Maps “Semantische Technologien und Medieninformatik” M&C 2009, Berlin, Dr. Lutz Maicher Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de 5
  • 6. Einführung in Topic Maps Call for participation: Change your ontologies! • Represent events as your key facts • See you topic maps as stream of facts • Example: – Clara Schumann started education in Leipzig in 03-1809 – Clara Schumann bought a coffee in the CoffeBaum in 02-03-1810 – Clara Schumann stopped education in Leipzig in 04-1809 – …. • Please be aware: – your ontology drives your application – You will change your application – You will have pain, but you might see the hill Event based modelling Dr. Lutz Maicher, Topic Maps Lab maicher@informatik.uni-leipzig.de Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de 6
  • 7. Einführung in Topic Maps Benefit • We have the whole life cycle of each subject in the database !!!!! • We can create time slices for the usage in the applications – so you might get the “good old” get all information view on the subject – But you might have a lot of different other “views” to your data (i.e. Clara Schumann in Leipzig in the 1810’s) • But it doesn’t look so nice in Omnigator / Maiana Event based modelling Dr. Lutz Maicher, Topic Maps Lab maicher@informatik.uni-leipzig.de Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de 7
  • 8. Einführung in Topic Maps Contact and impressum • Chair of the Topic Maps Labs: Dr. Lutz Maicher Abteilung für Automatische Sprachverarbeitung maicher@informatik.uni-leipzig.de +49-341-97-32303 • Cooperation with the HHL Event based modelling Dr. Lutz Maicher, Topic Maps Lab maicher@informatik.uni-leipzig.de Institut für Informatik Automatische Sprachverarbeitung topicmapslab.de 8

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