pitt.search.semanticvectors
Class ClusterResults

java.lang.Object
  pitt.search.semanticvectors.ClusterResults

public class ClusterResults
extends java.lang.Object

Constructor Summary

ClusterResults()

Method Summary

static int[]	kMeansCluster(ObjectVector[] objectVectors, int numClusters) Simple k-means clustering algorithm.
static void	main(java.lang.String[] args) Main function gathers search results for a particular query, performs clustering on the results, and prints out results.
static void	usage() Prints the following usage message: ClusterResults class in package pitt.search.semanticvectors Usage: java pitt.search.semanticvectors.BuildIndex -numsearchresults [number of search results] -numclusters [number of clusters] <SEARCH ARGS> where SEARCH ARGS is an expression passed to Search class.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterResults

public ClusterResults()

Method Detail

kMeansCluster

public static int[] kMeansCluster(ObjectVector[] objectVectors,
                                  int numClusters)

Simple k-means clustering algorithm.

Parameters:

objectVectors - Array of object vectors to be clustered.

Returns:

Integer array parallel to objectVectors saying which cluster each vector belongs to.

usage

public static void usage()

Prints the following usage message:
ClusterResults class in package pitt.search.semanticvectors
Usage: java pitt.search.semanticvectors.BuildIndex
-numsearchresults [number of search results]
-numclusters [number of clusters]
<SEARCH ARGS> where SEARCH ARGS is an expression passed to Search class.

See Also:

Search.usage()

main

public static void main(java.lang.String[] args)
                 throws java.lang.IllegalArgumentException,
                        ZeroVectorException

Main function gathers search results for a particular query, performs clustering on the results, and prints out results.

Parameters:

args -

Throws:

java.lang.IllegalArgumentException

ZeroVectorException

See Also:

usage()