Coreference／Co-Reference Extraction

coreference/co-reference - occurs when two or more expressions in a text refer to the same person or thing; they have the same referent (e.g. Bill said he would come; the proper noun Bill and the pronoun he refer to the same person, namely to Bill)

Indefinite Noun Phrase	`I saw an Acura Integra today` `Some Acura Integras were being unloaded`
Definite Noun Phrase	`Tom loves the Acura Integra`
Epithet Noun Phrase	`Tom used his credit card to much, the poor guy bankrupted`
Surface Count	`Lynn has 2 boyfriends, Mark and Kevin` `She likes the former better`
One Anaphora	`I saw no less than 6 Acuras. Now I want one`
Generics	`I saw no less than 6 Acuras. They are the coolest cars`
Inferables	`I almost bought an Acura today, but a door had a dent and the engine seemed noisy`
Syntactic & Semantic Constraints on Coreference	`John has 3 new Acuras. They are all red` (number) `You and I have Acuras. We love them` (person) `John has an Acura. It is attractive` (gender) `John bought himself a new Acura` (himself = John)
Selectional Restrictions	`John parked his Acura in the garage. He had driven it for hours` selectional restrictions are violated in the case of metaphor `John bought a new Acura. It drinks gasoline like you wouldn’t believe`
Semantic Constraints	`John parked his Acura in the garage. It is incredibly messy, with old bike and car parts lying around`

Recency	`John has an Acura. Bill has a Legend. Mary likes to drive it`
Grammatical Role	treat entities in the subject position as more salient than those in object position, which in turn are more salient than those mentioned in subsequent positions `John went to the Acura dealership with Bill. He bought an Integra`
Repeated Mention	`John needed a car to get to his new job. He decided that he wanted something sporty. Bill went to the Acura with him. He bought an Integra`
Verb Semantics	certain verbs place a semantically oriented emphasis on one of their argument positions `John telephoned Bill. He lost the pamphlet on Acuras` `John criticized Bill. He lost the pamphlet on Acuras`

／var／log marcus chiu