Field.TermVector (Lucene 2.2.0 API)

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org.apache.lucene.document

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Class Field.TermVector

java.lang.Object
  org.apache.lucene.util.Parameter
      org.apache.lucene.document.Field.TermVector
 
数据挖掘研究院
 

All Implemented Interfaces:

Serializable

Enclosing class:

Field

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public static final class Field.TermVector
extends Parameter
implements Serializable

数据挖掘研究院

Specifies whether and how a field should have term vectors.

See Also:

Serialized Form

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Field Summary
static Field.TermVector	NO 数据挖掘研究院           Do not store term vectors.
static Field.TermVector	WITH_OFFSETS           Store the term vector + Token offset information
static Field.TermVector	WITH_POSITIONS 数据挖掘研究院           Store the term vector + token position information
static Field.TermVector	WITH_POSITIONS_OFFSETS           Store the term vector + Token position and offset information
static Field.TermVector	YES 数据挖掘研究院           Store the term vectors of each document.

 

Method Summary

 

Methods inherited from class org.apache.lucene.util.Parameter
readResolve, toString

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

NO

public static final Field.TermVector NO 
数据挖掘研究院
 

Do not store term vectors.

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YES

public static final Field.TermVector YES 
数据挖掘研究院
 

Store the term vectors of each document. A term vector is a list of the document"s terms and their number of occurences in that document.

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WITH_POSITIONS

public static final Field.TermVector WITH_POSITIONS 
数据挖掘研究院
 

Store the term vector + token position information

See Also:

YES

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WITH_OFFSETS

public static final Field.TermVector WITH_OFFSETS 
数据挖掘研究院
 

Store the term vector + Token offset information

See Also:

YES

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WITH_POSITIONS_OFFSETS

public static final Field.TermVector WITH_POSITIONS_OFFSETS 
数据挖掘研究院
 

Store the term vector + Token position and offset information

See Also:

YES, WITH_POSITIONS, WITH_OFFSETS

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