Class TrecTerrier

java.lang.Object
  TrecTerrier

public class TrecTerrier
extends java.lang.Object

The text-based application that handles querying with Terrier, for TREC-like test collections. TrecTerrier, indexing TREC collections with Terrier.
usage: java TrecTerrier [flags in any order]

-h --help print this message
-V --version print version information
-i --index index a collection
-r --retrieve retrieve from an indexed collection
-e --evaluate evaluates the results in the directory
var/results with the specified qrels file
in the file etc/trec.qrels

If invoked with '-i', then both the direct and
inverted files are build, unless it is specified which
of the structures to build.
-d --direct creates the direct file
-v --inverted creates the inverted file, from an already existing direct
-l --langmodel creates additional structures for language modelling

If invoked with '-r', there are the following options.
-c value parameter value for term frequency normalisation.
If it is not specified, then the default value for each
weighting model is used, eg PL2 => c=1, BM25 b=> 0.75
-q --queryexpand applies query expansion
-l --langmodel applies language modelling

If invoked with '-e', there is the following option.
-p --perquery reports the average precision for each query separately.
filename.res restrict evaluation to filename.res only.

If invoked with one of the following options, then the contents of the
corresponding data structure are shown in the standard output.
--printdocid prints the contents of the document index
--printlexicon prints the contents of the lexicon
--printinverted prints the contents of the inverted file
--printdirect prints the contents of the direct file
--printstats prints statistics about the indexed collection


Version:

$Revision: 1.57 $

Author:

Vassilis Plachouras

Constructor Summary

TrecTerrier()

Method Summary

void	applyOptions(int status)
static void	main(java.lang.String[] args) The main method that starts the application
void	run() Calls the required classes from Terrier.

Methods inherited from class java.lang.Object

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

Constructor Detail

TrecTerrier

public TrecTerrier()

Method Detail

main

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

The main method that starts the application

Parameters:

args - the command line arguments

run

public void run()

Calls the required classes from Terrier.

applyOptions

public void applyOptions(int status)