ivory.lsh.projection
Class ComputeSignaturesRandom

java.lang.Object
  org.apache.hadoop.conf.Configured
      edu.umd.cloud9.util.PowerTool
          ivory.lsh.projection.ComputeSignaturesRandom

All Implemented Interfaces:

Configurable, Tool

public class ComputeSignaturesRandom
extends PowerTool

A Hadoop task to compute signatures from document vectors. usage: [index-path] [num-of-bits] [type-of-computation] ([batch-size])

Author:

ferhanture

Nested Class Summary

static class

ComputeSignaturesRandom.MyMapper Convert int doc vectors into NBitSignature objects using LSH.

Field Summary

static String[]

RequiredParameters

Constructor Summary

ComputeSignaturesRandom(Configuration conf)

Method Summary

String[]	getRequiredParameters()
int	runTool()

Methods inherited from class edu.umd.cloud9.util.PowerTool

run, run

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Detail

RequiredParameters

public static final String[] RequiredParameters

Constructor Detail

ComputeSignaturesRandom

public ComputeSignaturesRandom(Configuration conf)

Method Detail

getRequiredParameters

public String[] getRequiredParameters()

Specified by:

getRequiredParameters in class PowerTool

runTool

public int runTool()
            throws Exception

Specified by:

runTool in class PowerTool

Throws:

Exception