Hoorcollege 1 Lexical resources

Question 1

Some type of norms (Associtation, property, concreteness)

Answer 1

Norms: Human judgements on words on a big scale
* Assocication norms: golf ~ club
* Property norms: dog ~ has legs
* Concreteness norms: word conreteness rating

Question 2

Key notions

Answer 2

• Synonymy: woord zelfde betekenis
• Polysemy: woord meerdere betekenissen
• Antonomy: woorden tegenovergestelde betekenis
• Hyponym: Meer specifiek
• Hypernym: Meer algemeen
• Meronymy: deel van relatie, wheel ~ car

Question 3

Word sense deduction

Answer 3

Welke betekenis in welke context
* Simple: compare words within context
* Advanced: compare context vectors

Question 4

WSI techniques

Answer 4

• Vector based
• Usage of clusters
• Average vector of context words

Question 5

LESK
* Interim summary
* Lexical semantic relations

Answer 5

Maakt gebruik van gerelateerde woorden in de zin
* Interim summary: woorden hebben meerdere betekenissen
* Lexical semantic relations: relatie tussen woord en betekenis

Question 6

WORDNET

Answer 6

Machine readable lexical database
* Lemma: Word in specific sense
* Synset: Set of synonymous lemmas
* Gloss: Definiton of the synset

Question 7

Framenet

Answer 7

Schema structuring, classifying and interpreting experiences

Question 8

Co-occurance vector space

Answer 8

Word’s meaning is suggested by it’s collocations
* Simplest distributional model: just count!
* wordzvec / Glove

Question 9

Vectors from language models
(language modeling)

Answer 9

Language modeling: predicting word probabilities in context
* ELMO, GPT, BERT (HC11)

Context -> Vector -> Prediction