Triple

T6480106
Position Surface form Disambiguated ID Type / Status
Subject Ontario Heritage Trust E146169 entity
Predicate owns P347 FINISHED
Object Uncle Tom’s Cabin Historic Site
Uncle Tom’s Cabin Historic Site is a museum and heritage complex in Ontario, Canada, commemorating the life of Reverend Josiah Henson and the history of the Underground Railroad and Black settlement in the region.
 E596433 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: Uncle Tom’s Cabin Historic Site | Statement: [Ontario Heritage Trust, owns, Uncle Tom’s Cabin Historic Site]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Uncle Tom’s Cabin Historic Site
Context triple: [Ontario Heritage Trust, owns, Uncle Tom’s Cabin Historic Site]
  • A. Harriet Tubman National Historical Park
    Harriet Tubman National Historical Park is a U.S. National Park Service site preserving the home and legacy of abolitionist and Underground Railroad conductor Harriet Tubman.
  • B. Frederick Douglass National Historic Site
    Frederick Douglass National Historic Site is a preserved historic home and museum in Washington, D.C., dedicated to the life, legacy, and residence of abolitionist and orator Frederick Douglass.
  • C. Harriet Tubman Underground Railroad State Park
    Harriet Tubman Underground Railroad State Park is a Maryland state park and heritage site dedicated to the life, legacy, and freedom-seeking journeys of abolitionist Harriet Tubman and the Underground Railroad.
  • D. John Brown Farm State Historic Site
    John Brown Farm State Historic Site is a preserved historic farm and burial place of abolitionist John Brown in upstate New York, commemorating his life and role in the anti-slavery movement.
  • E. Abraham Lincoln Birthplace National Historical Park
    Abraham Lincoln Birthplace National Historical Park is a U.S. National Historical Park preserving the site and a symbolic log cabin memorializing the early life and birthplace of President Abraham Lincoln in central Kentucky.
  • 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: Uncle Tom’s Cabin Historic Site
Triple: [Ontario Heritage Trust, owns, Uncle Tom’s Cabin Historic Site]
Generated description
Uncle Tom’s Cabin Historic Site is a museum and heritage complex in Ontario, Canada, commemorating the life of Reverend Josiah Henson and the history of the Underground Railroad and Black settlement in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Uncle Tom’s Cabin Historic Site
Target entity description: Uncle Tom’s Cabin Historic Site is a museum and heritage complex in Ontario, Canada, commemorating the life of Reverend Josiah Henson and the history of the Underground Railroad and Black settlement in the region.
  • A. Harriet Tubman National Historical Park
    Harriet Tubman National Historical Park is a U.S. National Park Service site preserving the home and legacy of abolitionist and Underground Railroad conductor Harriet Tubman.
  • B. Frederick Douglass National Historic Site
    Frederick Douglass National Historic Site is a preserved historic home and museum in Washington, D.C., dedicated to the life, legacy, and residence of abolitionist and orator Frederick Douglass.
  • C. Harriet Tubman Underground Railroad State Park
    Harriet Tubman Underground Railroad State Park is a Maryland state park and heritage site dedicated to the life, legacy, and freedom-seeking journeys of abolitionist Harriet Tubman and the Underground Railroad.
  • D. John Brown Farm State Historic Site
    John Brown Farm State Historic Site is a preserved historic farm and burial place of abolitionist John Brown in upstate New York, commemorating his life and role in the anti-slavery movement.
  • E. Abraham Lincoln Birthplace National Historical Park
    Abraham Lincoln Birthplace National Historical Park is a U.S. National Historical Park preserving the site and a symbolic log cabin memorializing the early life and birthplace of President Abraham Lincoln in central Kentucky.
  • F. None of above. chosen

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_69c008fec7408190af7b146dc63d9750 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c06a4e764c819086828bb841f588e0 completed March 22, 2026, 10:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69c653aceb8c8190aff0abf15b049737 completed March 27, 2026, 9:53 a.m.
NEDg Description generation batch_69c6559d06c8819082cad37d62fcb3a3 completed March 27, 2026, 10:02 a.m.
NED2 Entity disambiguation (via description) batch_69c6564e01748190a3a12abcc0dfd30f completed March 27, 2026, 10:05 a.m.
Created at: March 22, 2026, 4:51 p.m.