taal en computer intro paola monachesi. why taal en computer?
TRANSCRIPT
TAAL EN COMPUTER INTRO
Paola Monachesi
Why Taal en Computer?
Machine Translation
Question Answering
Question Answering
Jeopardy
http://www.youtube.com/watch?v=SyXHF3PyyWo
Topics
Grammar Corpora Information extraction Applications
Question Answering Machine Tranlsation
Formal Grammar
Structure in language Formal grammars Example:
Marie zag [de man met de verrekijker] Lion
http://languagelink.let.uu.nl/~lion/?s=Playgrounds/CFG_Playground&lang=en
Grammar
Parse
Structure
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/Treebuilder_Playground&lang=en
Tree building
Tree result
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/Brown_Playground&lang=en
Example
<s> <w NN2>Explosives <w VVD>found <w PRP>on <w NP0>Hampstead <w NP0>Heath <PUN>.
Explosives found on Hampstead Heath
new sentence
plural noun
past tense verb
preposition
proper noun
proper noun
punctuation
Information extraction
Components for knowledge extraction: Corpora annotated with linguistic
information Grammars Machine Learning
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
Course
Taal en Computer Blok 3
2 hours HC 4 hours PC
Evaluation Practical exercises Tests Project
Paper Presentation