Triple

T19855904
Position Surface form Disambiguated ID Type / Status
Subject Dearborn Station E477130 entity
Predicate railwayTerminusFor P21210 FINISHED
Object Grand Trunk Western Railroad NE NERFINISHED

How this triple was built (3 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: Grand Trunk Western Railroad | Statement: [Dearborn Station, railwayTerminusFor, Grand Trunk Western Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grand Trunk Western Railroad
Context triple: [Dearborn Station, railwayTerminusFor, Grand Trunk Western Railroad]
  • A. Grand Trunk Pacific Railway
    The Grand Trunk Pacific Railway was an early 20th-century Canadian transcontinental railway that played a key role in opening Western Canada to settlement and trade before its assets were absorbed into the national rail system.
  • B. Grand Trunk Western Railroad line
    The Grand Trunk Western Railroad line was a major regional rail route in the Midwestern United States, historically operated by the Grand Trunk Western Railroad as part of its freight and passenger network.
  • C. Grand Trunk Railway
    The Grand Trunk Railway was a major 19th- and early 20th-century Canadian railway system that played a key role in linking central Canada with the Atlantic coast and the United States before being absorbed into the Canadian National Railway.
  • D. Kansas Pacific Railway
    The Kansas Pacific Railway was a 19th-century American railroad that formed part of the first transcontinental rail network, linking Kansas to the western frontier and facilitating regional settlement and commerce.
  • E. Hudson Bay Railway
    The Hudson Bay Railway is a regional rail line in northern Manitoba, Canada, primarily serving remote communities and resource industries and providing a key transportation link to the Port of Churchill on Hudson Bay.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grand Trunk Western Railroad
Target entity description: Grand Trunk Western Railroad was a major U.S. subsidiary of the Canadian National Railway that operated freight and passenger rail services primarily across Michigan, Indiana, and Illinois.
  • A. Grand Trunk Pacific Railway
    The Grand Trunk Pacific Railway was an early 20th-century Canadian transcontinental railway that played a key role in opening Western Canada to settlement and trade before its assets were absorbed into the national rail system.
  • B. Grand Trunk Western Railroad line
    The Grand Trunk Western Railroad line was a major regional rail route in the Midwestern United States, historically operated by the Grand Trunk Western Railroad as part of its freight and passenger network.
  • C. Grand Trunk Railway
    The Grand Trunk Railway was a major 19th- and early 20th-century Canadian railway system that played a key role in linking central Canada with the Atlantic coast and the United States before being absorbed into the Canadian National Railway.
  • D. Kansas Pacific Railway
    The Kansas Pacific Railway was a 19th-century American railroad that formed part of the first transcontinental rail network, linking Kansas to the western frontier and facilitating regional settlement and commerce.
  • E. Hudson Bay Railway
    The Hudson Bay Railway is a regional rail line in northern Manitoba, Canada, primarily serving remote communities and resource industries and providing a key transportation link to the Port of Churchill on Hudson Bay.
  • F. None of above. chosen

Provenance (2 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_69d8e51d39d081909bcfafeaaf3d2fcc completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6586c14fc81908d34785f1088b0a9 completed April 20, 2026, 4:46 p.m.
Created at: April 10, 2026, 1:51 p.m.