edu.iastate.jtm
Interface Stemmer

All Known Implementing Classes:

PorterStemmer

public interface Stemmer

Remove word suffix.

Author:

Jing Ding

Field Summary

static int	ALLCAP
static java.util.regex.Pattern	allCapPattern
static int	ANYWORD
static java.util.regex.Pattern	anyWordPattern
static java.lang.String	delimiters
static int	FIRSTCAP
static java.util.regex.Pattern	firstCapPattern
static int	NOCAP
static java.util.regex.Pattern	noCapPattern

Method Summary

java.lang.String	stemSentence(java.lang.String sen) Stem a sentence.
java.lang.String	stemWord(java.lang.String word) Stem a lower-cased word.
java.lang.String	stemWord(java.lang.String word, int type) Stem a word.

Field Detail

delimiters

static final java.lang.String delimiters

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Constant Field Values

noCapPattern

static final java.util.regex.Pattern noCapPattern

firstCapPattern

static final java.util.regex.Pattern firstCapPattern

allCapPattern

static final java.util.regex.Pattern allCapPattern

anyWordPattern

static final java.util.regex.Pattern anyWordPattern

NOCAP

static final int NOCAP

See Also:

Constant Field Values

FIRSTCAP

static final int FIRSTCAP

See Also:

Constant Field Values

ALLCAP

static final int ALLCAP

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Constant Field Values

ANYWORD

static final int ANYWORD

See Also:

Constant Field Values

Method Detail

stemWord

java.lang.String stemWord(java.lang.String word,
                          int type)

Stem a word.

Parameters:

word - the word to be stemmed

type - capitalization type of the word

Returns:

stemmed word

stemWord

java.lang.String stemWord(java.lang.String word)

Stem a lower-cased word.

Parameters:

word - the word to be stemmed

Returns:

stemmed word

stemSentence

java.lang.String stemSentence(java.lang.String sen)

Stem a sentence.

Parameters:

sen - sentence to be stemmed

Returns:

stemmed sentence