info.ephyra.querygeneration.generators
Class QuestionReformulationG

java.lang.Object
  info.ephyra.querygeneration.generators.QueryGenerator
      info.ephyra.querygeneration.generators.QuestionReformulationG

public class QuestionReformulationG
extends QueryGenerator

The QuestionReformulationG can be applied to a question to obtain alternative queries that are more specific than a "bag of words" and therefore are more likely to return good results.

This class extends the class QueryGenerator.

Version:

2007-07-11

Author:

Nico Schlaefer

Field Summary

private static java.lang.String[]	EXTRACTION_TECHNIQUES Answer extraction techniques for this query type.
private static QuestionReformulator[]	reformulators Question reformulators that are applied to the question to obtain additional, more specific queries.

Constructor Summary

QuestionReformulationG()

Method Summary

Query[]	generateQueries(AnalyzedQuestion aq) Generates queries that are reformulations of the question string.
static boolean	loadReformulators(java.lang.String dir) Loads the reformulation rules from text files in the given folder.

Methods inherited from class java.lang.Object

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

Field Detail

reformulators

private static QuestionReformulator[] reformulators

Question reformulators that are applied to the question to obtain additional, more specific queries.

EXTRACTION_TECHNIQUES

private static final java.lang.String[] EXTRACTION_TECHNIQUES

Answer extraction techniques for this query type.

Constructor Detail

QuestionReformulationG

public QuestionReformulationG()

Method Detail

generateQueries

public Query[] generateQueries(AnalyzedQuestion aq)

Generates queries that are reformulations of the question string.

Specified by:

generateQueries in class QueryGenerator

Parameters:

aq - analyzed question

Returns:

Query objects

loadReformulators

public static boolean loadReformulators(java.lang.String dir)

Loads the reformulation rules from text files in the given folder.

Parameters:

dir - folder that contains the reformulation rules

Returns:

true, iff the reformulation rules were loaded successfully