Triple

T7181541
Position Surface form Disambiguated ID Type / Status
Subject Grand Trunk Railway E167457 entity
Predicate owned P347 FINISHED
Object Grand Trunk Western Railroad
The Grand Trunk Western Railroad is a regional North American railroad that operated primarily in Michigan and surrounding states as the U.S. subsidiary of the Canadian Grand Trunk system, later becoming part of Canadian National Railway.
E167457 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: Grand Trunk Western Railroad | Statement: [Grand Trunk Railway, owned, Grand Trunk Western Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grand Trunk Western Railroad
Context triple: [Grand Trunk Railway, owned, 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 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.
  • C. Northern Pacific Railway
    The Northern Pacific Railway was a major transcontinental railroad in the northern United States that played a key role in opening and developing the Pacific Northwest in the late 19th and early 20th centuries.
  • D. Great Northern Railway (U.S.)
    Great Northern Railway (U.S.) was a major transcontinental railroad that operated across the northern United States, connecting the Great Lakes to the Pacific Northwest and playing a key role in the region’s economic development.
  • E. Canadian Pacific Railway
    Canadian Pacific Railway is a historic Canadian transcontinental railway company that played a central role in the country’s development and later expanded into a major transportation and hospitality conglomerate.
  • 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: Grand Trunk Western Railroad
Triple: [Grand Trunk Railway, owned, Grand Trunk Western Railroad]
Generated description
The Grand Trunk Western Railroad is a regional North American railroad that operated primarily in Michigan and surrounding states as the U.S. subsidiary of the Canadian Grand Trunk system, later becoming part of Canadian National Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grand Trunk Western Railroad
Target entity description: The Grand Trunk Western Railroad is a regional North American railroad that operated primarily in Michigan and surrounding states as the U.S. subsidiary of the Canadian Grand Trunk system, later becoming part of Canadian National Railway.
  • 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 Railway chosen
    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.
  • C. Northern Pacific Railway
    The Northern Pacific Railway was a major transcontinental railroad in the northern United States that played a key role in opening and developing the Pacific Northwest in the late 19th and early 20th centuries.
  • D. Great Northern Railway (U.S.)
    Great Northern Railway (U.S.) was a major transcontinental railroad that operated across the northern United States, connecting the Great Lakes to the Pacific Northwest and playing a key role in the region’s economic development.
  • E. Canadian Pacific Railway
    Canadian Pacific Railway is a historic Canadian transcontinental railway company that played a central role in the country’s development and later expanded into a major transportation and hospitality conglomerate.
  • 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_69c6888a7c548190a3d39b52a393080f completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e8bc25088190a7d7f3ba2461b5e9 completed March 27, 2026, 8:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7bf8d76ac8190a2e29f2650e7af28 completed March 28, 2026, 11:46 a.m.
NEDg Description generation batch_69c7bff630d88190a8c8d4194a1fe763 completed March 28, 2026, 11:48 a.m.
NED2 Entity disambiguation (via description) batch_69c7c05fd088819083df4c7167216ca2 completed March 28, 2026, 11:49 a.m.
Created at: March 27, 2026, 2:49 p.m.