Clustering Semantically Similar words

Clustering Semantically Similar Words

Clustering Semantically Similar words

PART I: Semantically Similar words PART II: Clustering

Slide 1 of 41

Clustering Semantically Similar Words

Motivation (from QA)

PART I :Similar words Motivation Distributional similarity Data Similarity Measures Output Evaluation + perform. Conclusion PART II Clustering

Question Classification

Welke tennisser ...? > person ques.

Answering 'which' questions

Welk beroep heeft Renzo Piano? De Italiaan Renzo Piano is architect.

Slide 2 of 41

Clustering Semantically Similar Words

What do we need?

PART I :Similar words Motivation Distributional similarity Data Similarity Measures Output Evaluation + perform. Conclusion PART II Clustering

....

profession

person

architect tennisplayer

...

Slide 3 of 41

Clustering Semantically Similar Words

PART I :Similar words Motivation Distributional similarity Data Similarity Measures Output Evaluation + perform. Conclusion PART II Clustering

Motivation(from parsing)

Disambiguation Coordination:

(Chirac uit Frankrijk) en Blair. Chirac uit (Frankrijk en Blair).

PP-attachment

Hij at (mie) met stokjes. Hij at (mie met stokjes).

Slide 4 of 41

Clustering Semantically Similar Words

PART I :Similar words Motivation

What do we need?

location food

...

...

mie

... France

Distributional similarity Data

profession

person

Similarity Measures

Output Evaluation + perform.

architect tennisplayer Chirac Blair

Conclusion

PART II Clustering

Slide 5 of 41

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