Triple

T15211158
Position Surface form Disambiguated ID Type / Status
Subject Underground E363516 entity
Predicate mainSubject P3 FINISHED
Object Underground Railroad
The Underground Railroad was a secret network of routes and safe houses used in the 19th-century United States to help enslaved African Americans escape to free states and Canada.
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: [Underground, mainSubject, Underground Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Underground Railroad
Context triple: [Underground, mainSubject, 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. Underground Railroad in Connecticut
    The Underground Railroad in Connecticut was a clandestine network of routes, safe houses, and abolitionist allies that helped enslaved African Americans escape to freedom in the 19th century.
  • E. 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.
  • 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: [Underground, mainSubject, Underground Railroad]
Generated description
The Underground Railroad was a secret network of routes and safe houses used in the 19th-century United States to help enslaved African Americans escape to free states and Canada.
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 in the 19th-century United States to help enslaved African Americans escape to free states and Canada.
  • 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. Underground Railroad in Connecticut
    The Underground Railroad in Connecticut was a clandestine network of routes, safe houses, and abolitionist allies that helped enslaved African Americans escape to freedom in the 19th century.
  • E. 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.
  • 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_69d85a0b78bc8190b6e5ad51a2c4cfc5 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e0076ad4ec81908d36f541fca08d72 completed April 15, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69fed33f9abc8190bf8166c1fd9fcac6 completed May 9, 2026, 6:25 a.m.
NEDg Description generation batch_69fed7b95124819097783740d9990e75 completed May 9, 2026, 6:44 a.m.
NED2 Entity disambiguation (via description) batch_69fed84f6a888190afd2d0cf2ba9d3a2 completed May 9, 2026, 6:46 a.m.
Created at: April 10, 2026, 3:11 a.m.