Information Extraction Language Technology Retrieving relevant concepts and

Information Extraction Language Technology � 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 © 2003 DFKI Language Technology Lab

Example of Information Extraction Language Technology 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 Name: Addressee: time: gymnastic seniors location: city name: St. Ingbert address: Club room Kirchgasse 11 Event Template: © 2003 DFKI Language Technology Lab start time: 10 end time: 11 weekly: yes weekday: 1

Example of Multilingual Generation Language Technology Level 1: Event Level 2: Theater Level 3: Event-Name: Faust Start. Date: 21. 10. 99 Place. Name: 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. © 2003 DFKI Language Technology Lab

MIETTA Framework Query L 1 Query L 2 Fo r Q m-b ue a ry se d Query Translation Language Technology Data Base © 2003 DFKI Interlingual Templates al gu n in tio til ra ul e M en G In Ex for tr ma ac t tio ion n Free Text Query Language Technology Lab Index L 2 Index L 1 Document Base L 1 Document Translation Document Base L 2

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

MUMIS - Objectives Language Technology 1. Automatically index lengthy multimedia recordings (offline). Find annotate relevant events together with the involved entities and relations. Detect metadata information. 2. Exploit indexed multimedia archives (on-line). Search for interesting scenes and play them via Internet. 3. Test Domain: Soccer Games / UEFA 2000 and FIFA 2002 © 2003 DFKI Language Technology Lab

Language Technology MUMIS On-line Usage Knowledge Guided User Interface & Search Engine Freekick Goal Pass Defense 17 min 18 min 24 min 28 min Foul Freekick Kohler Basler München - Porto 1996 Language Technology Lab Wörns Bierhoff 25 m Deutschland - Brasilien 1998 Play Movie Fragment of that Game © 2003 DFKI Matthäus Basler 25 m München - Ajax 1998 Dribbling 60 m