Triple
T13233369
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PCC streetcar |
E315076
|
entity |
| Predicate | manufacturedBy |
P4022
|
FINISHED |
| Object | Canadian Car and Foundry |
E315082
|
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: Canadian Car and Foundry | Statement: [PCC streetcar, manufacturedBy, Canadian Car and Foundry]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Canadian Car and Foundry Context triple: [PCC streetcar, manufacturedBy, Canadian Car and Foundry]
-
A.
Canadian Car and Foundry
chosen
Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
-
B.
Montreal Locomotive Works
Montreal Locomotive Works was a Canadian industrial company best known for producing locomotives and military vehicles, including armored fighting vehicles during World War II.
-
C.
Frontenac Motor Corporation
Frontenac Motor Corporation was an early 20th-century American automobile and racing car manufacturer co-founded by Arthur Chevrolet, known for producing competitive race cars and performance parts.
-
D.
Ford of Canada
Ford of Canada is the Canadian subsidiary of the Ford Motor Company responsible for manufacturing, marketing, and distributing Ford vehicles throughout Canada.
-
E.
American Car and Foundry
American Car and Foundry was a major American manufacturer of railroad rolling stock and related equipment, known for producing a wide range of passenger and freight cars throughout the 20th century.
- 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_69d806affc688190a25b6ccc588e9c72 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98d34ff288190bdb550a019b7a470 |
completed | April 10, 2026, 11:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6ff2dca2c81909cab1aa868ad575d |
completed | May 3, 2026, 7:54 a.m. |
Created at: April 9, 2026, 9:22 p.m.