SI485i : NLP - USNA
SI485i : NLP
Set 10 Lexical Relations
slides adapted from Dan Jurafsky and Bill MacCartney
Three levels of meaning
1. Lexical Semantics (words)
2. Sentential / Compositional / Formal Semantics
3. Discourse or Pragmatics
? meaning + context + world knowledge
The unit of meaning is a sense
? One word can have multiple meanings:
? Instead, a bank can hold the investments in a custodial account in the client's name.
? But as agriculture burgeons on the east bank, the river will shrink even more.
? A word sense is a representation of one aspect of the meaning of a word.
? bank here has two senses
Terminology
? Lexeme: a pairing of meaning and form ? Lemma: the word form that represents a lexeme
? Carpet is the lemma for carpets ? Dormir is the lemma for duermes
? The lemma bank has two senses:
? Financial insitution ? Soil wall next to water
? A sense is a discrete representation of one aspect of the meaning of a word
Relations between words/senses
? Homonymy ? Polysemy ? Synonymy ? Antonymy ? Hypernymy ? Hyponymy ? Meronymy
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
- si485i nlp usna
- automatic sense disambiguation of the near synonyms in a
- computer vision and image understanding
- an efficient sliding window approach for approximate
- near synonymy and lexical choice university of toronto
- academic word list advantages and disadvantages phrases
- mining entity attribute synonyms via compact clustering
- synonym discovery for structured entities on heterogeneous
- what is the advantage of having school start early synonym
- tips for taxonomic cleaning with the tnrs