1. TAAL EN COMPUTER INTRO Paola Monachesi

2. Why Taal en Computer?

3. Machine Translation

4. Question Answering

6. Jeopardy  http://www.youtube.com/watch?v=SyXHF3PyyWo http://www.youtube.com/watch?v=SyXHF3PyyWo

7. Topics  Grammar  Corpora  Information extraction  Applications  Question Answering  Machine Tranlsation

8. Formal Grammar  Structure in language  Formal grammars  Example:  Marie zag [de man met de verrekijker]  Lion  http://languagelink.let.uu.nl/~lion/?s=Playgrounds/CF G_Playground&lang=en http://languagelink.let.uu.nl/~lion/?s=Playgrounds/CF G_Playground&lang=en

9. Grammar

10. Parse

11. Structure

12. More on structure  Syntactic trees can be employed to visualize structure in a sentence  Example  Marie [zag de man] met de verrekijker  Lion  http://languagelink.let.uu.nl/~lion/?s=Playgrounds/Tre ebuilder_Playground&lang=en http://languagelink.let.uu.nl/~lion/?s=Playgrounds/Tre ebuilder_Playground&lang=en

13. Tree building

14. Tree result

15. Corpora  large and structured collection of texts  statistical analysis  hypothesis testing  checking occurrences  validating linguistic rules  corpus annotation  Lion  http://languagelink.let.uu.nl/~lion/?s=Playgrounds/Bro wn_Playground&lang=en http://languagelink.let.uu.nl/~lion/?s=Playgrounds/Bro wn_Playground&lang=en

16. Example   Explosives  found  on  Hampstead  Heath . Explosives found on Hampstead Heath new sentence plural noun past tense verb preposition proper noun punctuation

17. Information extraction Components for knowledge extraction:  Corpora annotated with linguistic information  Grammars  Machine Learning

18. Extracting Job Openings from the Web foodscience.com-Job2 JobTitle: Ice Cream Guru Employer: foodscience.com JobCategory: Travel/Hospitality JobFunction: Food Services JobLocation: Upper Midwest Contact Phone: 800-488-2611 DateExtracted: January 8, 2001 Source: www.foodscience.com/jobs_midwest.html OtherCompanyJobs: foodscience.com-Job1

19. Course  Taal en Computer  Blok 3 2 hours HC 4 hours PC  Evaluation Practical exercises Tests Project Paper Presentation