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The Semaphore Fact Extraction Framework (FACTS)

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  • Last Updated: October 30, 2026
  • 1 minute read
    • Semaphore
    • Documentation
| | [fact](../fact.md) | [Context Elements](../context_elements.md) | ::: | one or more allowed | | [not fact](../not_fact.md) | [Context Elements](../context_elements.md) | ::: | one or more allowed | | [optional fact](../optional_fact.md) | [Context Elements](../context_elements.md) | Optional | one or more allowed |

Associative relationships

Label Range Require/Optional Constraints
depended on by context Contexts Optional only one allowed
depends on context Contexts Optional only one allowed
extract fact as Fact Name Optional only one allowed
group fact as Fact Name Optional only one allowed
location Locations Optional only one allowed
precluded by context Contexts Optional only one allowed
precludes_context Contexts Optional only one allowed
punctuation Punctuation rules Optional only one allowed

Alternative labels

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Metadata

Label Range Require/Optional Constraints
context position from document end Integer Optional only one allowed
context position from document start Integer Optional only one allowed
fact position from context end Integer Optional only one allowed
fact position from context start Integer Optional only one allowed
field String Optional only one allowed
return raw text also Boolean Optional only one allowed
return value using regex String Optional only one allowed
column fact restriction String Optional only one allowed
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