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TAAL EN COMPUTER INTRO Paola Monachesi. Why Taal en Computer?

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Presentation on theme: "TAAL EN COMPUTER INTRO Paola Monachesi. Why Taal en Computer?"— Presentation transcript:

1 TAAL EN COMPUTER INTRO Paola Monachesi

2 Why Taal en Computer?

3 Machine Translation

4 Question Answering

5

6 Jeopardy 

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  G_Playground&lang=en 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  ebuilder_Playground&lang=en 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  wn_Playground&lang=en 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: DateExtracted: January 8, 2001 Source: OtherCompanyJobs: foodscience.com-Job1

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


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