1. WordNet: A Lexical Database for English
George A. Miller
Presenter: Cristina Nicolae

2. WordNet
an online lexical database designed for use under program control
English nouns, verbs, adjectives and adverbs organized into sets of synonyms (synsets)
semantic relations link the synsets

3. WordNet Statistics > 118,000 different word forms
> 90,000 different word senses
> 166,000 pairs (word, sense)
17% words are polysemous
40% have one or more synonyms

4. Semantic Relations in WordNet
A semantic relation is represented by a pointer between word forms or between synsets.
>116,000 pointers