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The Semaphore Fact Extraction Framework (FACTS)

Document Anchor

  • Last Updated: May 13, 2026
  • 1 minute read
    • Semaphore
    • Documentation

To identify a Document Type we must create a pattern of text, either:

  1. As anchors that only identify the document and WILL NOT be extracted as facts.
    • Those anchors are represented as Document Anchors, which is a direct child concept of the Document Type.
  2. As facts that both identify the document and WILL be extracted as facts.
    • Those facts are represented as Document Facts, which are direct child concepts of the Document Type.

To represent an anchor that will identify a document type and not be extracted, we need to:

  1. Create a Document Anchor concept.
  2. Relate the Document Type to the Document Anchor using the correct relationship. 

Document Anchor Properties

Mandatory hierarchical relationships

Label Range Constraints

Optional hierarchical relationships

Label Range Constraints

Mandatory associative relationships

Label Range Constraints

Optional associative relationships

Label Range Constraints

Mandatory alternative labels

Label Range Constraints

Optional alternative labels

Label Range Constraints

Mandatory metadata

Label Range Constraints

Optional metadata

Label Range Constraints
debug Boolean only one allowed
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