Thesaurus rules a thesaurus aims at classification of words in a language for a word it gives related terms which are broader than narrower than same as (synonyms)and opposed to(antonyms)of the given word (other kinds of relationships may exist, e.g, composed of) Static Thesaurus tables anneal, strain], [antenna, receiver] Roget's thesaurus WordNet at princeton 77 Thesaurus Rules ◼ A thesaurus aims at ◼ classification of words in a language ◼ for a word, it gives related terms which are broader than, narrower than, same as (synonyms) and opposed to (antonyms) of the given word (other kinds of relationships may exist, e.g., composed of) ◼ Static Thesaurus Tables ◼ [anneal, strain], [antenna, receiver], … ◼ Roget’s thesaurus ◼ WordNet at Preinceton