cat.lump.ir.index

Class Querier

java.lang.Object

cat.lump.ir.index.Abstracter

cat.lump.ir.index.Querier

public class Querier
extends Abstracter

Field Summary

Fields inherited from class cat.lump.ir.index.Abstracter

COLLECTION_FILE, docCollection, INCLUDE_BOW, INCLUDE_CNG, INCLUDE_COG, INCLUDE_WNG, index, INDEX_FILE, indexPath, locale, repType

Constructor Summary

Constructors

Constructor and Description
Querier(java.io.File indexDir, RepresentationType repr) Default invocation; files are in English
Querier(java.util.Locale lan, java.io.File indexDir, RepresentationType repr) Invocation where the documents' language is given and the directory for the index is provided.

Method Summary

Methods

Modifier and Type	Method and Description
Ranking	computeRanking(java.io.File queryFile) Queries a text file to the index.
Ranking	computeRanking(java.lang.String queryText) Queries a text to the index.
static void	main(java.lang.String[] args)

Methods inherited from class cat.lump.ir.index.Abstracter

loadIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

Querier

public Querier(java.util.Locale lan,
       java.io.File indexDir,
       RepresentationType repr)

Invocation where the documents' language is given and the directory for the index is provided.
The program will try to load the index from the directory (if it previously exists)

Parameters:

lan -

indexDir -

Querier

public Querier(java.io.File indexDir,
       RepresentationType repr)

Default invocation; files are in English

Parameters:

indexDir -

Method Detail

computeRanking

public Ranking computeRanking(java.io.File queryFile)
                       throws java.io.IOException

Queries a text file to the index.

Parameters:

queryFile - File to query to the index.

Returns:

the ranking for the file's contents

Throws:

java.io.IOException

computeRanking

public Ranking computeRanking(java.lang.String queryText)

Queries a text to the index. The text is pre-processed according to the loaded index. Magnitudes, dot-products and cosine are computed.

Parameters:

queryText - Text to be queried to the index

Returns:

the ranking for the given text

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException