Word Net

Structured lexicons and Lexical semantics Especially WordNet ® See D Jurafsky & JH Martin: Speech and Language Processing , Upper Saddle River NJ (2000): Prentice Hall, Chapter 16. and http://en.wikipedia.org/wiki/WordNet and explore WordNet: http://wordnet.princeton.edu/

Structured lexicons ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

animal bird fish ... canary eagle trout shark bald e. golden e. hawk e. bateleur space in general dimensions form motion size expansion distance interval contiguity reduction, deflation, shrinkage, curtailment, condensation .... hyponymy synonymy

Thesaurus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WordNet: History ,[object Object],[object Object],[object Object],[object Object],[object Object]

Global organisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Global organization ,[object Object],[object Object],[object Object],[object Object]

Lexical semantics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Synsets ,[object Object],[object Object],[object Object],[object Object],[object Object]

Lexical relations in WordNet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lexical relations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lexical relations: synonymy ,[object Object],[object Object],[object Object],[object Object],[object Object]

Lexical relations: antonymy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lexical relations: hyponymy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lexical relations: meronymy ,[object Object],[object Object],[object Object],[object Object],[object Object]

Lexical relations: meronymy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WordNet’s noun hierarchy ,[object Object],[object Object]

• {act,action,activity} • {animal,fauna} • {artifact} • {attribute,property} • {body,corpus} • {cognition,knowledge} • {communication} • {event,happening} • {feeling,emotion} • {food} • {group,collection} • {location,place} • {motive} • {natural object} • {natural phenomenon} • {person,human being} • {plant,flora} • {possession} • {process} • {quantity,amount} • {relation} • {shape} • {state,condition} • {substance} • {time}

Nouns in WordNet ,[object Object],[object Object],[object Object],[object Object],[object Object]

WordNets for other languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What can WordNet be used for? ,[object Object],[object Object],[object Object],[object Object],[object Object]

What can WordNet be used for? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Word Net

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Word Net