org.allenai.nlpstack.parse.poly.polyparser

RerankingTransitionParser

Related Doc: package polyparser

case class RerankingTransitionParser(config: ParserConfiguration) extends TransitionParser with Product with Serializable

Uses the parser model to create an n-best list, then chooses the best parse from this n-best list (according to the reranking function).

config

configuration object for the parser

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Instance Constructors

  1. new RerankingTransitionParser(config: ParserConfiguration)

    config

    configuration object for the parser

Value Members

  1. final def !=(arg0: Any): Boolean

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  3. final def ==(arg0: Any): Boolean

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  6. val config: ParserConfiguration

    configuration object for the parser

  7. final def eq(arg0: AnyRef): Boolean

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  8. def finalize(): Unit

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  9. final def getClass(): Class[_]

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  11. final def ne(arg0: AnyRef): Boolean

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  12. final def notify(): Unit

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  13. final def notifyAll(): Unit

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  14. def parse(sentence: Sentence, constraints: Set[TransitionConstraint] = Set()): Option[PolytreeParse]

    Given an initial state, this returns the "best" sequence of Transitions that one should apply to the initial state in order to get a polytree parse.

    Given an initial state, this returns the "best" sequence of Transitions that one should apply to the initial state in order to get a polytree parse. The adjective "best" depends on the specific implementation of the TransitionParser.

    sentence

    the sentence you want to parse

    constraints

    a set of ParserConstraint objects, which constrain the choices the parser may make

    returns

    the "best" list of Transitions you should apply to the initial state (or None if a parse failure occurs)

    Definition Classes
    RerankingTransitionParserTransitionParser
  15. def parseStringSequence(tokens: Seq[String], constraints: Set[TransitionConstraint] = Set()): Option[PolytreeParse]

    Definition Classes
    TransitionParser
  16. def parseWithScore(sentence: Sentence, constraints: Set[TransitionConstraint] = Set(), doFastApproximation: Boolean = false): Option[(PolytreeParse, Double)]

  17. def possibleArcLabels: Set[Symbol]

    Returns all possible arc labels for this transition parser.

    Returns all possible arc labels for this transition parser.

    TODO: currently this is hard-coded for Stanford labels. This should be revised to get these labels from the trained models.

    returns

    the set of all possible arc labels that the parser might use

    Definition Classes
    TransitionParser
  18. val reranker: Reranker

  19. final def synchronized[T0](arg0: ⇒ T0): T0

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  20. final def wait(): Unit

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