Connector Framework Server 23.4

# Exclusion

Set `Exclusion` to `True` to specify that you want to discard any previous pre-filter windows that match the associated pre-filter Regex or ResourceFile parameter.

Eduction runs your pre-filter tasks in the configured order. You can use an `Exclusion` to exclude match windows that were found by a previous pre-filter. Eduction compares any candidate windows that have been found by an earlier task to the regex or dictionary for the exclusion task. It discards any windows that match the exclusion filter.

For example, if you create a pre-filter that finds numbers to find potential address matches, you can add a subsequent exclusion to remove numbers that are part of dates:

    [Eduction]
    PrefilterTask0=NumberWordPrefilter
    PrefilterTask1=ExcludeDatesPrefilter
    PrefilterTask2=StreetMarkersPrefilter

    [NumberWordPrefilter]
    Regex=\p{N}+,?\p{Z}+\p{Lu}\p{L}
    WindowCharsBeforeMatch=100
    WindowCharsAfterMatch=100

    [ExcludeDatesPrefilter]
    Regex=\b([1-9]|[12]\d|3[01]) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)
    Exclusion=True

    [StreetMarkersPrefilter]
    ResourceFile=prefilter/address_street_markers.dpf
    WindowCharsBeforeMatch=100
    WindowCharsAfterMatch=100

The `NumberWordPrefilter` task might find potential matches for dates such as 15 March. The subsequent `ExcludeDatesPrefilter` removes windows that include these dates, so that they are not checked against the Eduction entities.

The third task attempts to find windows based on a dictionary of street markers. Because this task is configured after the exclusion filter, it finds input text such as 15 March Street that had been removed by the exclusion.

NOTE: The parameters that control the window size (WindowCharsAfterMatch and WindowCharsBeforeMatch) are not relevant to pre-filters that have `Exclusion` set to `True`.

Type: | Boolean
Default: | False
Required: | No
Configuration Section: | MyPreFilterTask
Example: | `Exclusion=True`
See Also: | Regex ResourceFile

Copyright 2023 Open Text
Version 23.4 | Last updated September 2023

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Product: IDOL Connector Framework Server 23.4

Topic Title: Exclusion