Event based modelling

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Event based modelling

  1. 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. 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. 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. 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. 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. 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. 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. 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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