Triple
T458423
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 1 Yonge–University |
E7281
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Dundas station
Dundas station is a downtown Toronto subway station on the Toronto Transit Commission network, serving the busy Yonge–Dundas Square and Eaton Centre area.
|
E61589
|
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: Dundas station | Statement: [Line 1 Yonge–University, hasStation, Dundas station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dundas station Context triple: [Line 1 Yonge–University, hasStation, Dundas 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.
Downsview Park station
Downsview Park station is a Toronto Transit Commission subway station on Line 1 Yonge–University that serves the Downsview Park area and connects with GO Transit rail services.
-
C.
Yorkdale station
Yorkdale station is a Toronto Transit Commission subway stop on Line 1 that serves the Yorkdale Shopping Centre area in North York, Ontario.
-
D.
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.
-
E.
Sheppard–Yonge station
Sheppard–Yonge station is a major Toronto subway interchange where the Yonge–University line connects with the Sheppard line, serving as a key transit hub in North York.
- 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: Dundas station Triple: [Line 1 Yonge–University, hasStation, Dundas station]
Generated description
Dundas station is a downtown Toronto subway station on the Toronto Transit Commission network, serving the busy Yonge–Dundas Square and Eaton Centre area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dundas station Target entity description: Dundas station is a downtown Toronto subway station on the Toronto Transit Commission network, serving the busy Yonge–Dundas Square and Eaton Centre area.
-
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.
Downsview Park station
Downsview Park station is a Toronto Transit Commission subway station on Line 1 Yonge–University that serves the Downsview Park area and connects with GO Transit rail services.
-
C.
Yorkdale station
Yorkdale station is a Toronto Transit Commission subway stop on Line 1 that serves the Yorkdale Shopping Centre area in North York, Ontario.
-
D.
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.
-
E.
Sheppard–Yonge station
Sheppard–Yonge station is a major Toronto subway interchange where the Yonge–University line connects with the Sheppard line, serving as a key transit hub in North York.
- 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_69a47d2668348190a654c9e0c7bf10a1 |
completed | March 1, 2026, 5:53 p.m. |
| NEDg | Description generation | batch_69a47dd158b481908d8263371e49d10d |
completed | March 1, 2026, 5:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a47e23ac588190a876d45de6821382 |
completed | March 1, 2026, 5:57 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.