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.