org.terrier.learning

Class LabelDecorator

java.lang.Object

org.terrier.learning.LabelDecorator

All Implemented Interfaces:

PostProcess, Process

public class LabelDecorator
extends Object
implements PostProcess

A post-process to expand an existing result set to a FeaturedResultSet and add labels

Label Related Properties:

• learning.labels.file - the filename of the qrels file containing the labels
• learning.labels.default - default feature label, if a document has not label in the specified file. Defaults to -1.

Since:

4.0

Author:

Rodrygo Santos, Craig Macdonald

Field Summary

Fields

Modifier and Type	Field and Description
protected String	defLabel
protected org.apache.log4j.Logger	logger
protected TRECQrelsInMemory	qrels

Constructor Summary

Constructors

Constructor and Description
LabelDecorator()

Method Summary

Methods

Modifier and Type	Method and Description
String	getInfo() Returns the name of the processor.
String[]	getValues(Request rq, int[] targetIds)
void	process(Manager manager, SearchRequest q) Run the instantiated process on the search request represented by q.

Methods inherited from class java.lang.Object

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

Field Detail

qrels

protected TRECQrelsInMemory qrels

defLabel

protected String defLabel

logger

protected org.apache.log4j.Logger logger

Constructor Detail

LabelDecorator

public LabelDecorator()
               throws Exception

Throws:

Exception

Method Detail

getValues

public String[] getValues(Request rq,
                 int[] targetIds)

process

public void process(Manager manager,
           SearchRequest q)

Description copied from interface: Process

Run the instantiated process on the search request represented by q.

Specified by:

process in interface Process

Parameters:

manager - The manager instance handling this search session.

q - the current query being processed

getInfo

public String getInfo()

Description copied from interface: Process

Returns the name of the processor.

Specified by:

getInfo in interface Process

Returns:

String the name of the processor.