600.465 - Intro to NLP - J. Eisner 1 Grouping Words 600.465 - Intro to NLP - J. Eisner 2 Linguistic Objects in this Course Trees (with strings at the nodes) Syntax, semantics Algorithms: Generation, parsing, inside-outside, build semantics Sequences (of strings) n-grams, tag sequences morpheme sequences, phoneme sequences Algorithms: Finite-state, best-paths, forward-backward “Atoms” (unanalyzed strings) Words, morphemes Represent by contexts – other words they occur with Algorithms: Grouping similar words, splitting words into senses 600.465 - Intro to NLP - J. Eisner 3 A Concordance for “party” from www.webcorp.org.uk 600.465 - Intro to NLP - J. Eisner 4 A Concordance for “party” from www.webcorp.org.uk thing. She was talking at a party thrown at Daphne's restaurant in have turned it into the hot dinner-party topic. The comedy is the selection for the World Cup party, which will be announced on May 1 in the 1983 general election for a party which, when it could not bear to to attack the Scottish National Party, who look set to seize Perth and that had been passed to a second party who made a financial decision the by-pass there will be a street party. "Then," he says, "we are going number-crunchers within the Labour party, there now seems little doubt political tradition and the same party. They are both relatively Anglophilic he told Tony Blair's modernised party they must not retreat into "warm "Oh no, I'm just here for the party," they said. "I think it's terrible A future obliges each party to the contract to fulfil it by be signed by or on behalf of each party to the contract." Mr David N 600.465 - Intro to NLP - J. Eisner 5 What Good are Word Senses? thing. She was talking at a party thrown at Daphne's restaurant in have turned it into the hot dinner-party topic. The comedy is the selection for the World Cup party, which will be announced on May 1 in the 1983 general election for a party which, when it could not bear to to attack the Scottish National Party, who look set to seize Perth and that had been passed to a second party who made a financial decision the by-pass there will be a street party. "Then," he says, "we are going number-crunchers within the Labour party, there now seems little doubt political tradition and the same party. They are both relatively Anglophilic he told Tony Blair's modernised party they must not retreat into "warm "Oh no, I'm just here for the party," they said. "I think it's terrible A future obliges each party to the contract to fulfil it by be signed by or on behalf of each party to the contract." Mr David N 600.465 - Intro to NLP - J. Eisner 6 What Good are Word Senses? thing. She was talking at a party thrown at Daphne's restaurant in have turned it into the hot dinner-party topic. The comedy is the selection for the World Cup party, which will be announced on May 1 the by-pass there will be a street party. "Then," he says, "we are going "Oh no, I'm just here for the party," they said. "I think it's terrible in the 1983 general election for a party which, when it could not bear to to attack the Scottish National Party, who look set to seize Perth and number-crunchers within the Labour party, there now seems little doubt political tradition and the same party. They are both relatively Anglophilic he told Tony Blair's modernised party they must not retreat into "warm that had been passed to a second party who made a financial decision A future obliges each party to the contract to fulfil it by be signed by or on behalf of each party to the contract." Mr David N600.465 - Intro to NLP - J. Eisner 7 What Good are Word Senses? John threw a “rain forest” party last December. His living room was full of plants and his box was playing Brazilian music … 600.465 - Intro to NLP - J. Eisner 8 What Good are Word Senses? Replace word w with sense s Splits w into senses: distinguishes this token of w from tokens with sense t Groups w with other words: groups this token of w with tokens of x that also have sense s 600.465 - Intro to NLP - J. Eisner 9 What Good are Word Senses? number-crunchers within the Labour party, there now seems little doubt political tradition and the same party. They are both relatively Anglophilic he told Tony Blair's modernised party they must not retreat into "warm thing. She was talking at a party thrown at Daphne's restaurant in have turned it into the hot dinner-party topic. The comedy is the selection for the World Cup party, which will be announced on May 1 the by-pass there will be a street party. "Then," he says, "we are going "Oh no, I'm just here for the party," they said. "I think it's terrible an appearance at the annual awards bash , but feels in no fit state to -known families at a fundraising bash on Thursday night for Learning Who was paying for the bash? The only clue was the name Asprey, Mail, always hosted the annual bash for the Scottish Labour front- popular. Their method is to bash sense into criminals with a short, just cut off people's heads and bash their brains out over the floor, 600.465 - Intro to NLP - J. Eisner 10 What Good are Word Senses? number-crunchers within the Labour party, there now seems little doubt political tradition and the same party. They are both relatively Anglophilic he told Tony Blair's modernised party they must not retreat into "warm thing. She was talking at a party thrown at Daphne's restaurant in have turned it into the hot dinner-party topic. The comedy is the selection for the World Cup party, which will be announced on May 1 the by-pass there will be a street party. "Then," he says, "we are going "Oh no, I'm just here for the party," they said. "I think it's terrible an appearance at the annual awards bash, but feels in no fit state to -known families at a fundraising bash on Thursday night for Learning Who was paying for the bash? The only
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