PS: I forgot to mention that Uta Priss, who manages the web site,
also added a sublattice generator for WordNet. It's very interesting
to compare the results from both WordNet and Roget's Thesaurus for
any particular word: (01)
http://www.ketlab.org.uk/wordnet.html (02)
http://www.ketlab.org.uk/roget.html (03)
Compare the verb 'explore' on both, for example. WN gives a more
detailed hierarchy than Roget's. (04)
For 'happy', you won't get anything from WN, but a rather interesting
lattice from Roget's. (05)
For 'book', WN generates a two-level lattice with 7 supertypes of
'book'. Roget's presents a more interesting lattice with both noun
senses and verb senses for 'book'. (06)
In general, WordNet has very poor coverage for adjectives. At VivoMind,
we use Roget's Thesaurus as a supplement to WN, and it is especially
useful for adjective and adverbs. (07)
John (08)
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