org.datavec.nlp.movingwindow

Class Windows

java.lang.Object

org.datavec.nlp.movingwindow.Windows

public class Windows
extends java.lang.Object

Static utility class for textual based windowing functions

Constructor Summary

Constructors

Constructor and Description
Windows()

Method Summary

Modifier and Type	Method and Description
static Window	windowForWordInPosition(int windowSize, int wordPos, java.util.List<java.lang.String> sentence) Creates a sliding window from text
static java.util.List<Window>	windows(java.io.InputStream words, int windowSize) Constructs a list of window of size windowSize.
static java.util.List<Window>	windows(java.io.InputStream words, TokenizerFactory tokenizerFactory, int windowSize) Constructs a list of window of size windowSize.
static java.util.List<Window>	windows(java.util.List<java.lang.String> words, int windowSize) Constructs a list of window of size windowSize
static java.util.List<Window>	windows(java.lang.String words) Constructs a list of window of size windowSize.
static java.util.List<Window>	windows(java.lang.String words, int windowSize) Constructs a list of window of size windowSize.
static java.util.List<Window>	windows(java.lang.String words, TokenizerFactory tokenizerFactory) Constructs a list of window of size windowSize.
static java.util.List<Window>	windows(java.lang.String words, TokenizerFactory tokenizerFactory, int windowSize) Constructs a list of window of size windowSize.

Methods inherited from class java.lang.Object

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

Constructor Detail

Windows

public Windows()

Method Detail

windows

public static java.util.List<Window> windows(java.io.InputStream words,
                                             int windowSize)

Constructs a list of window of size windowSize. Note that padding for each window is created as well.

Parameters:

words - the words to tokenize and construct windows from

windowSize - the window size to generate

Returns:

the list of windows for the tokenized string

windows

public static java.util.List<Window> windows(java.io.InputStream words,
                                             TokenizerFactory tokenizerFactory,
                                             int windowSize)

Constructs a list of window of size windowSize. Note that padding for each window is created as well.

Parameters:

words - the words to tokenize and construct windows from

tokenizerFactory - tokenizer factory to use

windowSize - the window size to generate

Returns:

the list of windows for the tokenized string

windows

public static java.util.List<Window> windows(java.lang.String words,
                                             int windowSize)

Constructs a list of window of size windowSize. Note that padding for each window is created as well.

Parameters:

words - the words to tokenize and construct windows from

windowSize - the window size to generate

Returns:

the list of windows for the tokenized string

windows

public static java.util.List<Window> windows(java.lang.String words,
                                             TokenizerFactory tokenizerFactory,
                                             int windowSize)

Constructs a list of window of size windowSize. Note that padding for each window is created as well.

Parameters:

words - the words to tokenize and construct windows from

tokenizerFactory - tokenizer factory to use

windowSize - the window size to generate

Returns:

the list of windows for the tokenized string

windows

public static java.util.List<Window> windows(java.lang.String words)

Constructs a list of window of size windowSize. Note that padding for each window is created as well.

Parameters:

words - the words to tokenize and construct windows from

Returns:

the list of windows for the tokenized string

windows

public static java.util.List<Window> windows(java.lang.String words,
                                             TokenizerFactory tokenizerFactory)

Constructs a list of window of size windowSize. Note that padding for each window is created as well.

Parameters:

words - the words to tokenize and construct windows from

tokenizerFactory - tokenizer factory to use

Returns:

the list of windows for the tokenized string

windowForWordInPosition

public static Window windowForWordInPosition(int windowSize,
                                             int wordPos,
                                             java.util.List<java.lang.String> sentence)

Creates a sliding window from text

Parameters:

windowSize - the window size to use

wordPos - the position of the word to center

sentence - the sentence to createComplex a window for

Returns:

a window based on the given sentence

windows

public static java.util.List<Window> windows(java.util.List<java.lang.String> words,
                                             int windowSize)

Constructs a list of window of size windowSize

Parameters:

words - the words to construct windows from

Returns:

the list of windows for the tokenized string