de.unidu.is.retrieval.pire.dt
Class NameDT

java.lang.Object
  de.unidu.is.retrieval.pire.dt.AbstractDT
      de.unidu.is.retrieval.pire.dt.NameDT

All Implemented Interfaces:

DT

public class NameDT

extends AbstractDT

A class for the IR datatype "name", containing the two deterministic operators "soundex" (soundex similarity) and "plainname" (equality). No indexing weights are used, the mapping function is the identity one.

Since:

2003-09-22

Version:

$Revision: 1.7 $, $Date: 2005/02/21 17:29:26 $

Author:

Henrik Nottelmann

Field Summary

static java.lang.String	NAME The name of this datatype.
static java.lang.String	PLAINNAME Operator name "plainname".
static java.lang.String	SOUNDEX Operator name "soundex".

Constructor Summary

NameDT()

Method Summary

protected Filter	getFilter(java.lang.String operator) Returns a filter for converting a document value into tokens/token frequency tuples.
protected Filter	getQueryFilter(java.lang.String operator) Returns a filter for converting a condition comparison value into tokens/token frequency tuples.

Methods inherited from class de.unidu.is.retrieval.pire.dt.AbstractDT

addProbRules, addRSVRules, addToIndex, computeIndex, convertOperator, getIndexTokens, getProbsTemplate, removeIndex, storedRSVs

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final java.lang.String NAME

The name of this datatype.

See Also:

Constant Field Values

PLAINNAME

public static final java.lang.String PLAINNAME

Operator name "plainname".

See Also:

Constant Field Values

SOUNDEX

public static final java.lang.String SOUNDEX

Operator name "soundex".

See Also:

Constant Field Values

Constructor Detail

NameDT

public NameDT()

Method Detail

getFilter

protected Filter getFilter(java.lang.String operator)

Returns a filter for converting a document value into tokens/token frequency tuples.

Specified by:

getFilter in class AbstractDT

Parameters:

operator - operator name

Returns:

filter

getQueryFilter

protected Filter getQueryFilter(java.lang.String operator)

Returns a filter for converting a condition comparison value into tokens/token frequency tuples.

Specified by:

getQueryFilter in class AbstractDT

Parameters:

operator - operator name

Returns:

filter