Undertaking narrative inquiry bilingually against a monolingual backdrop
Reranking)Bilingually)Extracted)Paraphrases) Using...
Transcript of Reranking)Bilingually)Extracted)Paraphrases) Using...
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Reranking Bilingually Extracted Paraphrases Using Monolingual Distribu
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Paraphrasing
• Goal To use huge amount of text to iden
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Our Approach
Bilingual Paraphrase Extrac
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Pros and Cons
Bilingual Paraphrase Extrac
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Scoring Methods
• MonoDS – Monolingual Distribu
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MonoDS
• Based on distribu
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MonoDS
• Limita
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BiP -‐ Bilingual Paraphrase Extrac
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SyntBiP – Syntac
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Bilingual Paraphrase Extrac
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BiP scores (probabili
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Paraphrasing Pipeline
Monolingual N-‐gram corpus
Context Vector Construc
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BiP scores (probabili
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huge amount of BiP SyntBiP BiP + MonoDS
large number of, 0.33 large number of, 0.38 huge amount of, 1.0
in large numbers, 0.11 great number of, 0.09 large quan/ty of, 0.98
great number of, 0.08 huge amount of, 0.06 large number of, 0.98
large numbers of, 0.06 vast number of, 0.06 great number of, 0.97
vast number of, 0.06 vast number of, 0.94
huge amount of, 0.06 in large numbers, 0.10
large quan/ty of, 0.03 large numbers of, 0.08
Example
• BiP-‐MonoDS – Less weight on gramma
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Human Evalua
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Human Evalua
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Human Evalua
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Correla
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Meaning
Grammar
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Meaning
Grammar
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Thresholding by Score
BiP MonoDS
Chan, Callison-‐Burch, Van Durme GEMS 2011
Meaning: substan
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Combining MonoDS and BiP Thresholds
• Joint Thresholding – Tighter threshold à higher paraphrase quality – Addi
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Effects of Bilingual Training Corpus
• Bri
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Context Influence
• {hauled, delivered}
countries which do not comply with community legisla/on should be hauled before the court of jus/ce …
à MonoDS takes advantage of context informaEon
Chan, Callison-‐Burch, Van Durme GEMS 2011
é Meaning, Grammar
é BiP + MonoDS
ê BiP
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Context Influence
• {fiscal burden, taxes}
(1) … the member states can reduce the fiscal burden consis/ng of taxes and social contribu/ons .
(2) ... and , in addi/on , the fiscal burden in europe has reached an all-‐/me high of 46 %
Chan, Callison-‐Burch, Van Durme GEMS 2011
ê Meaning, Grammar
é Meaning, Grammar
à MonoDS is more useful in context that defines the context vector
é BiP ê BiP + MonoDS
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MonoDS Limita
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Summary
• Presented a novel paraphrase acquisi
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Summary
• Future direc
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Thank you
Ques