edu.stanford.nlp.dbm
Class ContextSet

java.lang.Object
  |
  +--java.util.AbstractCollection
        |
        +--java.util.AbstractList
              |
              +--edu.stanford.nlp.dbm.AbstractDataCollection
                    |
                    +--edu.stanford.nlp.dbm.FileDataCollection
                          |
                          +--edu.stanford.nlp.dbm.DataSet
                                |
                                +--edu.stanford.nlp.dbm.ContextSet

All Implemented Interfaces:

Collection, DataCollection, List

public class ContextSet

extends DataSet

A collection of word contexts that does not allow duplicate words. If a word occurs multiple times in the datafile, the context vectors are additively combined.

Field Summary

Fields inherited from class edu.stanford.nlp.dbm.FileDataCollection

datamatrix, numdocs

Fields inherited from class edu.stanford.nlp.dbm.AbstractDataCollection

data, features, name

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

ContextSet(String filename)
Creates a ContextSet given a filename which contains a collection of Contexts.

Method Summary

Iterator

fileIterator() returns an iterator over the file where the FileDataCollection is stored.

Methods inherited from class edu.stanford.nlp.dbm.DataSet

add, setDefaults, setDefaults

Methods inherited from class edu.stanford.nlp.dbm.FileDataCollection

dataMatrix, features, populate, set, set, set

Methods inherited from class edu.stanford.nlp.dbm.AbstractDataCollection

get, name, size, toString, toXMLString

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

add, add, addAll, addAll, clear, contains, containsAll, equals, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, retainAll, set, subList, toArray, toArray

Constructor Detail

ContextSet

public ContextSet(String filename)
           throws IOException

Creates a ContextSet given a filename which contains a collection of Contexts. Stores data, features, and their respective indices in memory. Uses standard Bag-of-Features Matrix, and uses Lowercaser.

Method Detail

fileIterator

public Iterator fileIterator()

Description copied from class: FileDataCollection

returns an iterator over the file where the FileDataCollection is stored.

Specified by:

fileIterator in class FileDataCollection