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# DRETAGDOCCLUSTERS

Allows you to tag documents that are conceptually similar. You can use this index action to group duplicate documents together.

## Example

    http://12.3.4.56:20001/DRETAGDOCCLUSTERS?TagField=XML&MinScore=50&MinID=100&MaxID=2500

This index action uses port 20001 to tag documents matching the MinScore threshold of 50 as XML.

## Parameters

Parameter | Description | Required
--- | --- | ---
CheckSumDBs | The names of databases that you can checksum match against. |
CheckSumField | A reference field to use to determine whether a document is an exact match of another document. |
ClusterDBs | The names of databases that you can cluster against. |
DatabaseMatch | The names of databases that contain documents to tag. |
IgnoreMaxPendingItems | Whether to ignore the IndexQueueMaxPendingItems limit for this index action. |
IndexUID | An identification code for any document tracking events. |
MaxID | The last document ID to tag. |
MinID | The first document ID to tag. |
MinScore | The matching threshold to determine whether a document belongs to a cluster. | Yes
Priority | Set the priority for the index job. |
RelevanceField | The full field name that holds the relevance score of the document to its cluster. |
TagField | The full field name that contains document tags. | Yes
TaggedDBName | The database to which IDOL Server moves documents and from which it retrieves tags. |
TagSourceField | The full field name to use as the source of the TagField value. |

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