Triple

T15872293
Position Surface form Disambiguated ID Type / Status
Subject The Grand Central Depot of the Underground Railroad E384858 entity
Predicate partOf P40 FINISHED
Object Underground Railroad network E972574 NE FINISHED

How this triple was built (2 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 network | Statement: [The Grand Central Depot of the Underground Railroad, partOf, Underground Railroad network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Underground Railroad network
Context triple: [The Grand Central Depot of the Underground Railroad, partOf, Underground Railroad network]
  • 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. Underground Railroad in Connecticut chosen
    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.
  • C. 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.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d86da4e86481909f1325fdc971b5ec completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e155faefd08190af634867370796b3 completed April 16, 2026, 9:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffa94ca15c8190bdd5fe0a30b54b51 completed May 9, 2026, 9:38 p.m.
Created at: April 10, 2026, 4:51 a.m.