Triple

T10424966
Position Surface form Disambiguated ID Type / Status
Subject Boston African American National Historic Site core properties E245761 entity
Predicate hasTheme P261 FINISHED
Object Underground Railroad
The Underground Railroad was a secret network of routes and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the aid of abolitionists and allies.
E321996 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Underground Railroad | Statement: [Boston African American National Historic Site core properties, hasTheme, Underground Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Underground Railroad
Context triple: [Boston African American National Historic Site core properties, hasTheme, Underground Railroad]
  • A. Underground Railroad routes
    Underground Railroad routes were clandestine paths and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the help of abolitionists.
  • B. The Underground Railroad
    The Underground Railroad was a hip-hop production collective known for crafting gritty, sample-heavy beats for early 1990s West Coast rap artists.
  • C. The Underground Railroad
    The Underground Railroad is a historical drama television series, based on Colson Whitehead’s Pulitzer Prize–winning novel, that reimagines the network that helped enslaved people escape as a literal subterranean train system.
  • D. The Grand Central Depot of the Underground Railroad
    The Grand Central Depot of the Underground Railroad is a historic nickname for Plymouth Church in Brooklyn, renowned for its central role in sheltering and aiding enslaved people seeking freedom before the Civil War.
  • E. A Ride for Liberty – The Fugitive Slaves
    A Ride for Liberty – The Fugitive Slaves is a mid-19th-century painting by American artist Eastman Johnson that dramatically depicts an enslaved family fleeing to Union lines during the Civil War.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Underground Railroad
Triple: [Boston African American National Historic Site core properties, hasTheme, Underground Railroad]
Generated description
The Underground Railroad was a secret network of routes and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the aid of abolitionists and allies.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Underground Railroad
Target entity description: The Underground Railroad was a secret network of routes and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the aid of abolitionists and allies.
  • A. Underground Railroad routes chosen
    Underground Railroad routes were clandestine paths and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the help of abolitionists.
  • B. The Underground Railroad
    The Underground Railroad was a hip-hop production collective known for crafting gritty, sample-heavy beats for early 1990s West Coast rap artists.
  • C. The Underground Railroad
    The Underground Railroad is a historical drama television series, based on Colson Whitehead’s Pulitzer Prize–winning novel, that reimagines the network that helped enslaved people escape as a literal subterranean train system.
  • D. The Grand Central Depot of the Underground Railroad
    The Grand Central Depot of the Underground Railroad is a historic nickname for Plymouth Church in Brooklyn, renowned for its central role in sheltering and aiding enslaved people seeking freedom before the Civil War.
  • E. A Ride for Liberty – The Fugitive Slaves
    A Ride for Liberty – The Fugitive Slaves is a mid-19th-century painting by American artist Eastman Johnson that dramatically depicts an enslaved family fleeing to Union lines during the Civil War.
  • F. None of above.

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d381bf3dc08190bf35a2643e4e8f22 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4ea47a6408190a87b32760692487f completed April 7, 2026, 11:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69d7fc2160208190b6384190d9537df4 completed April 9, 2026, 7:21 p.m.
NEDg Description generation batch_69d822d76f3481909f7c04be19414b14 completed April 9, 2026, 10:06 p.m.
NED2 Entity disambiguation (via description) batch_69d859fd8f0c8190b0fec880e1180e50 completed April 10, 2026, 2:01 a.m.
Created at: April 6, 2026, 12:12 p.m.