Package edu.tufts.hrilab.slug.parsing.tldl.chart

Class ChartParser

java.lang.Object

edu.tufts.hrilab.slug.parsing.tldl.chart.ChartParser

public class ChartParser
extends Object

Constructor Summary

Constructors

Constructor	Description
ChartParser()

Method Summary

Modifier and Type	Method	Description
void	doChartParsingIncrementally(Utterance input, Dictionary dictionary)
void	doChartParsingWithDP(Utterance input, Dictionary dictionary, int previousChartSize)	Executes dynamic programming-based chart parsing on the provided input utterance.
String	getFirstUnknownTokens()
List<Node>	getParsesFromChartCell(int start, int end)	Retrieves all valid parses from a specific cell in the chart.
boolean	hasUnkownTokens()
List<Node>	parseIncrementally(Utterance input, Dictionary dictionary)
void	resetChart()

Methods inherited from class java.lang.Object

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

Constructor Details

ChartParser

public ChartParser()

Method Details

resetChart

public void resetChart()

parseIncrementally

public List<Node> parseIncrementally(Utterance input,
 Dictionary dictionary)

doChartParsingWithDP

public void doChartParsingWithDP(Utterance input,
 Dictionary dictionary,
 int previousChartSize)

Executes dynamic programming-based chart parsing on the provided input utterance. This method tokenizes the input, initializes and updates the chart, and combines spans using available parsing rules and syntax.

Parameters:

input - the utterance to be parsed, containing words for tokenization and chart creation

doChartParsingIncrementally

public void doChartParsingIncrementally(Utterance input,
 Dictionary dictionary)

getParsesFromChartCell

public List<Node> getParsesFromChartCell(int start,
 int end)

Retrieves all valid parses from a specific cell in the chart.

Parameters:

start - The start index of the chart cell.

end - The end index of the chart cell.

Returns:

List of Utterance objects representing possible parses.

hasUnkownTokens

public boolean hasUnkownTokens()

getFirstUnknownTokens

public String getFirstUnknownTokens()