Class ArabicStemmer

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Inheritance

object

ArabicStemmer

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Lucene.Net.Analysis.Ar

Assembly: Lucene.Net.Analysis.Common.dll

Syntax

public class ArabicStemmer

Fields

ALEF

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char ALEF = 'ا'

Field Value

Type	Description
char

BEH

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char BEH = 'ب'

Field Value

Type	Description
char

FEH

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char FEH = 'ف'

Field Value

Type	Description
char

HEH

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char HEH = 'ه'

Field Value

Type	Description
char

KAF

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char KAF = 'ك'

Field Value

Type	Description
char

LAM

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char LAM = 'ل'

Field Value

Type	Description
char

NOON

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char NOON = 'ن'

Field Value

Type	Description
char

TEH

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char TEH = 'ت'

Field Value

Type	Description
char

TEH_MARBUTA

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char TEH_MARBUTA = 'ة'

Field Value

Type	Description
char

WAW

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char WAW = 'و'

Field Value

Type	Description
char

YEH

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public const char YEH = 'ي'

Field Value

Type	Description
char

Properties

Prefixes

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public static IList<char[]> Prefixes { get; }

Property Value

Type	Description
IList<char[]>

Suffixes

Stemmer for Arabic.

Stemming is done in-place for efficiency, operating on a termbuffer.

Stemming is defined as:

• Removal of attached definite article, conjunction, and prepositions.
• Stemming of common suffixes.

Declaration

public static IList<char[]> Suffixes { get; }

Property Value

Type	Description
IList<char[]>

Methods

Stem(char[], int)

Stem an input buffer of Arabic text.

Declaration

public virtual int Stem(char[] s, int len)

Parameters

Type	Name	Description
char[]	s	input buffer
int	len	length of input buffer

Returns

Type	Description
int	length of input buffer after normalization

StemPrefix(char[], int)

Stem a prefix off an Arabic word.

Declaration

public virtual int StemPrefix(char[] s, int len)

Parameters

Type	Name	Description
char[]	s	input buffer
int	len	length of input buffer

Returns

Type	Description
int	new length of input buffer after stemming.

StemSuffix(char[], int)

Stem suffix(es) off an Arabic word.

Declaration

public virtual int StemSuffix(char[] s, int len)

Parameters

Type	Name	Description
char[]	s	input buffer
int	len	length of input buffer

Returns

Type	Description
int	new length of input buffer after stemming