ivory.sqe.querygenerator

Class SCFGQueryGenerator

java.lang.Object

ivory.sqe.querygenerator.SCFGQueryGenerator

All Implemented Interfaces:

QueryGenerator

public class SCFGQueryGenerator
extends Object
implements QueryGenerator

In addition to PSQ implemented in CLWordQueryGenerator, phrase translations are learned from a provided Synchronous context-free grammar (SCFG) (Hiero, 2006) and added to the representation.

Author:

ferhanture

Constructor Summary

Constructors

Constructor and Description
SCFGQueryGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
void	init(FileSystem fs, Configuration conf)
StructuredQuery	parseQuery(String query, FileSystem fs, Configuration conf)
Map<String,HMapSFW>	processGrammar(FileSystem fs, Configuration conf, String grammarFile)

Methods inherited from class java.lang.Object

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

Constructor Detail

SCFGQueryGenerator

public SCFGQueryGenerator()
                   throws IOException

Throws:

IOException

Method Detail

init

public void init(FileSystem fs,
        Configuration conf)
          throws IOException

Specified by:

init in interface QueryGenerator

Throws:

IOException

parseQuery

public StructuredQuery parseQuery(String query,
                         FileSystem fs,
                         Configuration conf)

Specified by:

parseQuery in interface QueryGenerator

processGrammar

public Map<String,HMapSFW> processGrammar(FileSystem fs,
                                 Configuration conf,
                                 String grammarFile)