Domain-Specific Paraphrase Extraction

Ellie Pavlick, Juri Ganitkevitch, Tsz Ping Chan, Xuchen Yao,Benjamin Van Durme, Chris Callison-Burch,Proceedings of the 53rd Annual Meeting of the Association forComputational Linguistics and the 7th International JointConference on Natural Language Processing (Short Papers), pages5762, 2015

201

P-R10%

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General Biology

hot Warm,sexy,exciting Heated,warm,thermaltreat Address,handle,buy Cure, fight,killhead Leader,boss,mind Skull,brain,cranium

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Bannard and Callison-Burch 2005)

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e1e2F

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+ = ./. + /23 +

Htgt Hgen

+Domain-SpecificParaphraseExtraction 7

n-gram

+2

++

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u(GENIA database)

u

5-gramKneser-Ney

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15K10Kwikipedia

5

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General

M-L,T=

M-L Change Point+

M-L WeightedP(e2|e1)+

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p(e2|e1)

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2

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