Triple
T458410
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 1 Yonge–University |
E7281
|
entity |
| Predicate | hasTerminus |
P388
|
FINISHED |
| Object |
Vaughan Metropolitan Centre station
Vaughan Metropolitan Centre station is a major subway terminal and transit hub in Vaughan, Ontario, serving as the northern endpoint of Toronto’s Line 1 Yonge–University.
|
E58431
|
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: Vaughan Metropolitan Centre station | Statement: [Line 1 Yonge–University, hasTerminus, Vaughan Metropolitan Centre station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vaughan Metropolitan Centre station Context triple: [Line 1 Yonge–University, hasTerminus, Vaughan Metropolitan Centre station]
-
A.
Osgoode station
Osgoode station is a downtown Toronto subway station on Line 1 Yonge–University, serving the area around Toronto City Hall, the Four Seasons Centre, and the city’s legal and entertainment districts.
-
B.
Bloor–Yonge station
Bloor–Yonge station is one of Toronto’s busiest subway hubs, serving as a major transfer point between the city’s primary north–south and east–west rapid transit lines.
-
C.
Union Station, Toronto
Union Station in Toronto is the city’s primary railway and transit hub, serving as a central gateway for regional, national, and local transportation.
-
D.
Lansdowne station
Lansdowne station is a commuter rail stop on the MBTA Framingham/Worcester Line in Boston, Massachusetts, serving the Fenway–Kenmore area and providing convenient access to Fenway Park.
-
E.
Waban station
Waban station is a light rail stop on Boston's MBTA Green Line located in the Waban neighborhood of Newton, Massachusetts.
- 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: Vaughan Metropolitan Centre station Triple: [Line 1 Yonge–University, hasTerminus, Vaughan Metropolitan Centre station]
Generated description
Vaughan Metropolitan Centre station is a major subway terminal and transit hub in Vaughan, Ontario, serving as the northern endpoint of Toronto’s Line 1 Yonge–University.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Vaughan Metropolitan Centre station Target entity description: Vaughan Metropolitan Centre station is a major subway terminal and transit hub in Vaughan, Ontario, serving as the northern endpoint of Toronto’s Line 1 Yonge–University.
-
A.
Osgoode station
Osgoode station is a downtown Toronto subway station on Line 1 Yonge–University, serving the area around Toronto City Hall, the Four Seasons Centre, and the city’s legal and entertainment districts.
-
B.
Bloor–Yonge station
Bloor–Yonge station is one of Toronto’s busiest subway hubs, serving as a major transfer point between the city’s primary north–south and east–west rapid transit lines.
-
C.
Union Station, Toronto
Union Station in Toronto is the city’s primary railway and transit hub, serving as a central gateway for regional, national, and local transportation.
-
D.
Lansdowne station
Lansdowne station is a commuter rail stop on the MBTA Framingham/Worcester Line in Boston, Massachusetts, serving the Fenway–Kenmore area and providing convenient access to Fenway Park.
-
E.
Waban station
Waban station is a light rail stop on Boston's MBTA Green Line located in the Waban neighborhood of Newton, Massachusetts.
- 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_69a2e7e5c5bc8190a1dc8178218fba40 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2efa3163081909acff040a22bd559 |
completed | Feb. 28, 2026, 1:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a457fed1548190b50d72886828b650 |
completed | March 1, 2026, 3:15 p.m. |
| NEDg | Description generation | batch_69a4589d77408190b2d1b49e38b4ca4e |
completed | March 1, 2026, 3:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a45908403081909980377fe1741c41 |
completed | March 1, 2026, 3:19 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.