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Four Text Mining Ambiguities
Homonomy: same word, different
meaning by accident of history
• a. Mary walked along the bank
b. HarborBank is the richest bank
Polysemy: same word or form, but
different, albeit related meaning
a. The bank
raised its interest rates yesterday.
b. The store is next to the newly constructed
c. The bank
appeared first in Italy in the
Synonymy: synonyms, different words,
similar or same meaning; can
substitute one word for the other
without changing the meaning of the
Synonyms can have differing connotations...
a. Miss Nelson became a kind of big
b. Miss Nelson became a kind of large
Hyponymy: concept hierarchy or
a. Broken leg, contusion...
Wednesday, July 10, 13