1. © 2003 DFKI Language Technology Lab Language Technology Information Extraction Retrieving relevant concepts and structured relations in unrestricted free texts Relevant concepts and relations can be used as semantic indices for a document pool Structured information can be used as input for intelligent search and navigation, e.g., mobile information access

2. © 2003 DFKI Language Technology Lab Language Technology Example of Information Extraction German text from an event calendar of the Saarland St. Ingbert: -Sanfte Gymnastik für Seniorinnen und Senioren, montags von 10 bis 11 Uhr im Clubraum, Kirchengasse 11. St. Ingbert: -Gentle Gymnastic for seniors, every Monday from 10:00 to 11:00 am, in Club room, Kirchgasse 11 Event Template: location: Name: gymnastic Addressee: seniors time: start time:10 end time: 11 weekly: yes weekday: 1 city name: St. Ingbert address: Club room Kirchgasse 11

3. © 2003 DFKI Language Technology Lab Language Technology Example of Multilingual Generation Level1: Event Level2: Theater Level3: Event-Name: Faust StartDate: 21.10.99 PlaceName: Staatstheater Address: Schillerplatz, 66111 Saarbrücken Phone: 0681-32204 English: The theater show Faust will take place at the Staatstheater in Schillerplatz 1, 66111 Saarbrücken (in the downtown area). The scheduled date is Thursday, October 21, 1999. Phone: 06 81-32204 Finnish: Teatteriesitys Faust järjestetään Staatstheaterissa, osoitteessa Schillerplatz 1, 66111 Saarbrücken (keskustan alueella). Tapahtuman päivämäärä on 21. lokakuuta 1999. Puhelin: 06 81-32204.

4. © 2003 DFKI Language Technology Lab Language Technology MIETTA Framework Document Translation Query L1 Document Base L1 Free Text Query Index L1 Document Base L2 Query Translation Query L2 Index L2 Data Base Multilingual Generation Form-based Query Interlingual Templates Information Extraction

5. © 2003 DFKI Language Technology Lab Language Technology MIETTA Class-Based Navigation with Free Text

6. © 2003 DFKI Language Technology Lab Language Technology MUMIS - Objectives Automatically index lengthy multimedia recordings (off-line). Find and annotate relevant events together with the involved entities and relations. Detect metadata information. Exploit indexed multimedia archives (on-line). Search for interesting scenes and play them via Internet. Test Domain: Soccer Games / UEFA 2000 and FIFA 2002

7. © 2003 DFKI Language Technology Lab Language Technology MUMIS On-line Usage Knowledge Guided User Interface & Search Engine München - Ajax 1998 München - Porto 1996 Deutschland - Brasilien 1998 Play Movie Fragment of that Game FreekickGoalPassDefense 17 min18 min24 min28min FoulFreekickDribbling KohlerBaslerMatthäusWörns BaslerBierhoff 25 m 60 m