Class NLPLemmatizerOp

Supply OpenNLP Lemmatizer tools.

Both a dictionary-based lemmatizer and a MaxEnt lemmatizer are supported. If both are configured, the dictionary-based lemmatizer is tried first, and then the MaxEnt lemmatizer is consulted for out-of-vocabulary tokens.

The MaxEnt implementation requires binary models from OpenNLP project on SourceForge.

Inheritance

object

NLPLemmatizerOp

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.OpenNlp.Tools

Assembly: Lucene.Net.Analysis.OpenNLP.dll

Syntax

public class NLPLemmatizerOp

Constructors

NLPLemmatizerOp(Stream, LemmatizerModel)

Supply OpenNLP Lemmatizer tools.

Both a dictionary-based lemmatizer and a MaxEnt lemmatizer are supported. If both are configured, the dictionary-based lemmatizer is tried first, and then the MaxEnt lemmatizer is consulted for out-of-vocabulary tokens.

The MaxEnt implementation requires binary models from OpenNLP project on SourceForge.

Declaration

public NLPLemmatizerOp(Stream dictionary, LemmatizerModel lemmatizerModel)

Parameters

Type	Name	Description
Stream	dictionary
LemmatizerModel	lemmatizerModel

Methods

Lemmatize(string[], string[])

Supply OpenNLP Lemmatizer tools.

Both a dictionary-based lemmatizer and a MaxEnt lemmatizer are supported. If both are configured, the dictionary-based lemmatizer is tried first, and then the MaxEnt lemmatizer is consulted for out-of-vocabulary tokens.

The MaxEnt implementation requires binary models from OpenNLP project on SourceForge.

Declaration

public virtual string[] Lemmatize(string[] words, string[] postags)

Parameters

Type	Name	Description
string[]	words
string[]	postags

Returns

Type	Description
string[]