Cognate Querylet

The Cognate Querylet activity defines a cognate querylet for use in a Query or Join-Query activity.

General

The General tab has the following fields:

Cognate Querylet Configuration Fields

Field

Module Property?

Description

Name

No

The name of the activity within the process. The default value is cognate.

Description

Provide a short description for the Cognate Querylet activity.

Input

The Input tab has the following fields:

Cognate Querylet Input Fields

Input Item

Description

CrossFieldWeight

The weight applied to data that matches between fields. The default is 1.0.

EmptyFieldPenalty

The penalty applied for unmatched data that can be applied to an empty field. The default is 1.0.

Field

The table fields to be searched. At least two fields must be specified.

Field/QueryString

The text to be searched for in this field.

Field/Name

Name of the table field.

Field/Weight

The weight of the field. The default is 1.0

EmptyScore

The score to use if there is no data to compare. Either querystring or field-value is empty.

InvalidScore

The score assigned if invalid data is encountered. As text data is never invalid, this value has no effect for a Cognate querylet.

MatchEmpty

If set to true(), empty values in both the record and the query produces a 1.0 queylet score.

ScoreType

The type of score to perform. The following are the possible scores: Normal, Symmetric, Reverse, Max, or Min. The default is Normal. This is optional.

ThesaurusName

Name of an existing thesaurus to apply. This is optional.

ThesaurusWeight

Weight of the thesaurus. The default is 1.0. This is optional.

TemporaryThesaurus

See Simple Querylet Input Fields.

ExpertParameter

Only use this under the direction of TIBCO Support.

Output

The output of a Cognate querylet must be used as a unit by dragging it to the AnyQueryletOutput element of a Query Activity input or Combiner Querylet input.