Apposion features the candidate is an apposive to

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Unformatted text preview: t •  If answer type is CITY, tagger has to tag CITY •  Can be full NER, simple regular expressions, or hybrid •  Return the string with the right type: •  Who is the prime minister of India (PERSON) Manmohan Singh, Prime Minister of India, had told left leaders that the deal would not be renegotiated.! •  How tall is Mt. Everest? (LENGTH) The official height of Mount Everest is 29035 feet! Dan Jurafsky Ranking Candidate Answers •  But what if there are mul+ple candidate answers! Q: Who was Queen Victoria’s second son?! •  Answer Type: Person •  Passage: The Marie biscuit is named ater Marie Alexandrovna, the daughter of Czar Alexander II of Russia and wife of Alfred, the second son of Queen Victoria and Prince Albert Dan Jurafsky Ranking Candidate Answers •  But what if there are mul+ple candidate answers! Q: Who was Queen Victoria’s second son?! •  Answer Type: Person •  Passage: The Marie biscuit is named ater Marie Alexandrovna, the daughter of Czar Alexander II of Russia and wife of Alfred, the second son of Queen Victoria and Prince Albert Dan Jurafsky Use machine learning: Features for ranking candidate answers Answer type match: Candidate contains a phrase with the correct answer type. PaZern match: Regular expression paoern matches the candidate. Ques%on keywords: # of q...
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This document was uploaded on 02/14/2014.

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