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| /*
* Copyright 2009 David Jurgens
*
* This file is part of the S-Space package and is covered under the terms and
* conditions therein.
*
* The S-Space package is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation and distributed hereunder to you.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND NO REPRESENTATIONS OR WARRANTIES,
* EXPRESS OR IMPLIED ARE MADE. BY WAY OF EXAMPLE, BUT NOT LIMITATION, WE MAKE
* NO REPRESENTATIONS OR WARRANTIES OF MERCHANT- ABILITY OR FITNESS FOR ANY
* PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED SOFTWARE OR DOCUMENTATION
* WILL NOT INFRINGE ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER
* RIGHTS.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package edu.ucla.sspace.mains;
import edu.ucla.sspace.common.ArgOptions;
import edu.ucla.sspace.common.SemanticSpace;
import edu.ucla.sspace.hal.HyperspaceAnalogueToLanguage;
import java.io.IOError;
import java.io.IOException;
import java.util.Properties;
/**
* An executable class for running {@link HyperspaceAnalogueToLanguage} (HAL)
* from the command line. This class takes in several command line arguments.
*
* <ul>
*
* <li><u>Required (at least one of)</u>:
* <ul>
*
* <li> {@code -d}, {@code --docFile=FILE[,FILE...]} a file where each line is
* a document. This is the preferred input format for large corpora
*
* <li> {@code -f}, {@code --fileList=FILE[,FILE...]} a list of document files
* where each file is specified on its own line.
*
* </ul>
*
* <li><u>Algorithm Options</u>:
* <ul>
*
* <li> {@code -s}, {@code --windowSize=INT} how many words to consider in each
* direction
*
* <li> {@code -r}, {@code --retain=INT} how many column dimensions to retain
* in the final word co-occurrence matrix. The retained columns will be
* those that provide the most information for distinguishing the
* semantics of the words. Unlike the {@code --threshold} option, this
* specifies a hard limit for how many to retain. This option may not
* speciefied at the same time as {@code --threshold}
*
* <li> {@code -h}, {@code --threshold=DOUBLE} the minimum information
* theoretic entropy a word must have to be retained in the final word
* co-occurrence matrix. This option may not be used at the same time as
* {@code --retain}.
*
* <li> {@code -W}, {@code --weighting=CLASS} the fully qualified name of a
* {@link edu.ucla.sspace.hal.WeightingFunction} class to be used for
* weighting co-occurrences. HAL traditionally uses a linear weighting
* where the closest neighboring words receive the highest weight.
*
* <li> {@code -F}, {@code --tokenFilter=FILE[include|exclude][,FILE...]}
* specifies a list of one or more files to use for {@link
* edu.ucla.sspace.text.TokenFilter filtering} the documents. An option
* flag may be added to each file to specify how the words in the filter
* filter should be used: {@code include} if only the words in the filter
* file should be retained in the document; {@code exclude} if only the
* words <i>not</i> in the filter file should be retained in the
* document.
*
* </ul>
*
* <li><u>Program Options</u>:
* <ul>
*
* <li> {@code -o}, {@code --outputFormat=}<tt>text|binary}</tt> Specifies the
* output formatting to use when generating the semantic space ({@code
* .sspace}) file. See {@link edu.ucla.sspace.common.SemanticSpaceUtils
* SemanticSpaceUtils} for format details.
*
* <li> {@code -t}, {@code --threads=INT} how many threads to use when processing the
* documents. The default is one per core.
*
* <li> {@code -w}, {@code --overwrite=BOOL} specifies whether to overwrite
* the existing output files. The default is {@code true}. If set to
* {@code false}, a unique integer is inserted into the file name.
*
* <li> {@code -v}, {@code --verbose} specifies whether to print runtime
* information to standard out
*
* </ul>
*
* </ul>
*
* <p>
*
* An invocation will produce one file as output {@code
* hal-semantic-space.sspace}. If {@code overwrite} was set to {@code true},
* this file will be replaced for each new semantic space. Otherwise, a new
* output file of the format {@code hal-semantic-space<number>.sspace} will be
* created, where {@code <number>} is a unique identifier for that program's
* invocation. The output file will be placed in the directory specified on the
* command line.
*
* <p>
*
* This class is desgined to run multi-threaded and performs well with one
* thread per core, which is the default setting.
*
* @see HyperspaceAnalogueToLanguage
*
* @author David Jurgens
*/
public class HALMain extends GenericMain {
private HALMain() { }
/**
* Adds all of the options to the {@link ArgOptions}.
*/
protected void addExtraOptions(ArgOptions options) {
options.addOption('F', "tokenFilter", "filters to apply to the input " +
"token stream", true, "FILTER_SPEC",
"Algorithm Options");
options.addOption('h', "threshold", "minimum entropy for semantic " +
"dimensions (default: disabled)", true,
"DOUBLE", "Algorithm Options");
options.addOption('r', "retain", "maximum number of dimensions " +
"(default: disabled)", true,
"INT", "Algorithm Options");
options.addOption('s', "windowSize", "how many words to consider " +
"in each direction (default: 5)", true,
"INT", "Algorithm Options");
options.addOption('W', "weighting", "WeightingFunction class name"
+ "(default: LinearWeighting)", true,
"CLASSNAME", "Algorithm Options");
}
public static void main(String[] args) {
HALMain hal = new HALMain();
try {
hal.run(args);
}
catch (Throwable t) {
t.printStackTrace();
}
}
protected SemanticSpace getSpace() {
return new HyperspaceAnalogueToLanguage();
}
protected Properties setupProperties() {
// use the System properties in case the user specified them as
// -Dprop=<val> to the JVM directly.
Properties props = System.getProperties();
if (argOptions.hasOption("windowSize")) {
props.setProperty(HyperspaceAnalogueToLanguage.WINDOW_SIZE_PROPERTY,
argOptions.getStringOption("windowSize"));
}
if (argOptions.hasOption("threshold")) {
props.setProperty(HyperspaceAnalogueToLanguage.ENTROPY_THRESHOLD_PROPERTY,
argOptions.getStringOption("threshold"));
}
if (argOptions.hasOption("retain")) {
props.setProperty(HyperspaceAnalogueToLanguage.RETAIN_PROPERTY,
argOptions.getStringOption("retain"));
}
if (argOptions.hasOption("weighting")) {
props.setProperty(HyperspaceAnalogueToLanguage.WINDOW_SIZE_PROPERTY,
argOptions.getStringOption("weighting"));
}
if (argOptions.hasOption("tokenFilter")) {
props.setProperty(HyperspaceAnalogueToLanguage.TOKEN_FILTER_PROPERTY,
argOptions.getStringOption("tokenFilter"));
}
return props;
}
/**
* Prints the instructions on how to execute this program to standard out.
*/
public void usage() {
System.out.println(
"usage: java HALMain [options] <output-dir>\n" +
argOptions.prettyPrint() + "\n" +
"Note that the --retain and --threshold properties are mutually " +
"exclusive;\nusing both will cause an exception\n\n" +
"Token filter configurations are specified as a comman-separated " +
"list of file\nnames, where each file name has an optional string" +
" with values:inclusive or\nexclusive, which species whether the" +
" token are to be used for an exclusive\nfilter. The default " +
"value is include. An example configuration might look like:\n" +
" --tokenFilter=english-dictionary.txt=include," +
"stop-list.txt=exclude");
}
} |
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