edu.stanford.nlp.parser.lexparser

Class RerankingParserQuery

java.lang.Object

edu.stanford.nlp.parser.lexparser.RerankingParserQuery

All Implemented Interfaces:

ParserQuery

public class RerankingParserQuery
extends Object
implements ParserQuery

Rerank trees from the ParserQuery based on scores from a Reranker.
TODO: should handle Factored parsers as well

Author:

John Bauer

Constructor Summary

Constructors

Constructor and Description
RerankingParserQuery(Options op, ParserQuery parserQuery, Reranker reranker)

Method Summary

Modifier and Type	Method and Description
Tree	getBestDependencyParse(boolean debinarize)
Tree	getBestFactoredParse()
Tree	getBestParse()
Tree	getBestPCFGParse()
List<ScoredObject<Tree>>	getBestPCFGParses()
KBestViterbiParser	getDependencyParser()
KBestViterbiParser	getFactoredParser()
List<ScoredObject<Tree>>	getKBestPCFGParses(int kbestPCFG)
List<ScoredObject<Tree>>	getKGoodFactoredParses(int kbest)
KBestViterbiParser	getPCFGParser()
double	getPCFGScore()
boolean	hasFactoredParse()
List<? extends HasWord>	originalSentence()
boolean	parse(List<? extends HasWord> sentence)
boolean	parseAndReport(List<? extends HasWord> sentence, PrintWriter pwErr)
boolean	parseFallback() The model had to fall back to a simpler model on the previous parse
boolean	parseNoMemory() The model ran out of memory on the most recent parse
boolean	parseSkipped() The sentence was skipped, probably because it was too long or of length 0
boolean	parseSucceeded() Parsing succeeded without any horrible errors or fallback
boolean	parseUnparsable() The model could not parse the most recent sentence for some reason
RerankerQuery	rerankerQuery()
void	restoreOriginalWords(Tree tree)
boolean	saidMemMessage()
void	setConstraints(List<ParserConstraint> constraints)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RerankingParserQuery

public RerankingParserQuery(Options op,
                            ParserQuery parserQuery,
                            Reranker reranker)

Method Detail

saidMemMessage

public boolean saidMemMessage()

Specified by:

saidMemMessage in interface ParserQuery

setConstraints

public void setConstraints(List<ParserConstraint> constraints)

Specified by:

setConstraints in interface ParserQuery

parse

public boolean parse(List<? extends HasWord> sentence)

Specified by:

parse in interface ParserQuery

parseAndReport

public boolean parseAndReport(List<? extends HasWord> sentence,
                              PrintWriter pwErr)

Specified by:

parseAndReport in interface ParserQuery

getBestParse

public Tree getBestParse()

Specified by:

getBestParse in interface ParserQuery

getBestPCFGParse

public Tree getBestPCFGParse()

Specified by:

getBestPCFGParse in interface ParserQuery

getPCFGScore

public double getPCFGScore()

Specified by:

getPCFGScore in interface ParserQuery

getBestDependencyParse

public Tree getBestDependencyParse(boolean debinarize)

Specified by:

getBestDependencyParse in interface ParserQuery

getBestFactoredParse

public Tree getBestFactoredParse()

Specified by:

getBestFactoredParse in interface ParserQuery

getBestPCFGParses

public List<ScoredObject<Tree>> getBestPCFGParses()

Specified by:

getBestPCFGParses in interface ParserQuery

restoreOriginalWords

public void restoreOriginalWords(Tree tree)

Specified by:

restoreOriginalWords in interface ParserQuery

hasFactoredParse

public boolean hasFactoredParse()

Specified by:

hasFactoredParse in interface ParserQuery

getKBestPCFGParses

public List<ScoredObject<Tree>> getKBestPCFGParses(int kbestPCFG)

Specified by:

getKBestPCFGParses in interface ParserQuery

getKGoodFactoredParses

public List<ScoredObject<Tree>> getKGoodFactoredParses(int kbest)

Specified by:

getKGoodFactoredParses in interface ParserQuery

getPCFGParser

public KBestViterbiParser getPCFGParser()

Specified by:

getPCFGParser in interface ParserQuery

getFactoredParser

public KBestViterbiParser getFactoredParser()

Specified by:

getFactoredParser in interface ParserQuery

getDependencyParser

public KBestViterbiParser getDependencyParser()

Specified by:

getDependencyParser in interface ParserQuery

parseSucceeded

public boolean parseSucceeded()

Parsing succeeded without any horrible errors or fallback

Specified by:

parseSucceeded in interface ParserQuery

parseSkipped

public boolean parseSkipped()

The sentence was skipped, probably because it was too long or of length 0

Specified by:

parseSkipped in interface ParserQuery

parseFallback

public boolean parseFallback()

The model had to fall back to a simpler model on the previous parse

Specified by:

parseFallback in interface ParserQuery

parseNoMemory

public boolean parseNoMemory()

The model ran out of memory on the most recent parse

Specified by:

parseNoMemory in interface ParserQuery

parseUnparsable

public boolean parseUnparsable()

The model could not parse the most recent sentence for some reason

Specified by:

parseUnparsable in interface ParserQuery

originalSentence

public List<? extends HasWord> originalSentence()

Specified by:

originalSentence in interface ParserQuery

rerankerQuery

public RerankerQuery rerankerQuery()