Triple
T8302840
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SkyTrain Expo Line |
E194386
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Burrard station
Burrard station is a major underground SkyTrain stop in downtown Vancouver, British Columbia, serving commuters on the Expo Line near the city’s central business district.
|
E723797
|
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: Burrard station | Statement: [SkyTrain Expo Line, hasStation, Burrard station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Burrard station Context triple: [SkyTrain Expo Line, hasStation, Burrard station]
-
A.
Vancouver Pacific Central Station
Vancouver Pacific Central Station is a major intercity rail and bus terminal in Vancouver, British Columbia, serving as a key western hub for passenger rail services.
-
B.
Yaletown–Roundhouse station
Yaletown–Roundhouse station is a SkyTrain rapid transit station on Vancouver’s Canada Line serving the Yaletown neighborhood and the nearby Roundhouse Community Arts & Recreation Centre.
-
C.
Pimisi Station
Pimisi Station is an O-Train light rail transit station in Ottawa, Canada, serving the LeBreton Flats area on the Confederation Line.
-
D.
Broadview station
Broadview station is a major Toronto Transit Commission subway and streetcar hub located in the city's east end near the Danforth.
-
E.
Dufferin station
Dufferin station is a subway station on Toronto's Bloor–Danforth line serving the city's west-end Dufferin Street area.
- 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: Burrard station Triple: [SkyTrain Expo Line, hasStation, Burrard station]
Generated description
Burrard station is a major underground SkyTrain stop in downtown Vancouver, British Columbia, serving commuters on the Expo Line near the city’s central business district.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Burrard station Target entity description: Burrard station is a major underground SkyTrain stop in downtown Vancouver, British Columbia, serving commuters on the Expo Line near the city’s central business district.
-
A.
Vancouver Pacific Central Station
Vancouver Pacific Central Station is a major intercity rail and bus terminal in Vancouver, British Columbia, serving as a key western hub for passenger rail services.
-
B.
Yaletown–Roundhouse station
Yaletown–Roundhouse station is a SkyTrain rapid transit station on Vancouver’s Canada Line serving the Yaletown neighborhood and the nearby Roundhouse Community Arts & Recreation Centre.
-
C.
Pimisi Station
Pimisi Station is an O-Train light rail transit station in Ottawa, Canada, serving the LeBreton Flats area on the Confederation Line.
-
D.
Broadview station
Broadview station is a major Toronto Transit Commission subway and streetcar hub located in the city's east end near the Danforth.
-
E.
Dufferin station
Dufferin station is a subway station on Toronto's Bloor–Danforth line serving the city's west-end Dufferin Street area.
- 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_69ca82e613e88190bf8139669bbd0d53 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb7e8a45348190a7895b33abcb64c9 |
completed | March 31, 2026, 7:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd68c2a14c81908388ecdd22315390 |
completed | April 1, 2026, 6:49 p.m. |
| NEDg | Description generation | batch_69cd6d58032c8190ba99f78670924ae5 |
completed | April 1, 2026, 7:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd7e5be1108190afbc65b69a7700f2 |
completed | April 1, 2026, 8:21 p.m. |
Created at: March 30, 2026, 5:53 p.m.