Triple
T1257416
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station, Toronto |
E12424
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object |
Union subway station
Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
|
E143065
|
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: Union subway station | Statement: [Union Station, Toronto, connectedTo, Union subway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union subway station Context triple: [Union Station, Toronto, connectedTo, Union subway station]
-
A.
Bridge Street subway station
Bridge Street subway station is a Glasgow Subway station serving the Gorbals area just south of Glasgow city centre.
-
B.
Government Center station
Government Center station is a major Boston subway hub and transfer point in downtown Boston, serving multiple MBTA Green Line branches and the Blue Line.
-
C.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
-
D.
Concourse B Station
Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
-
E.
Millennium Station
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
- 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: Union subway station Triple: [Union Station, Toronto, connectedTo, Union subway station]
Generated description
Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union subway station Target entity description: Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
-
A.
Bridge Street subway station
Bridge Street subway station is a Glasgow Subway station serving the Gorbals area just south of Glasgow city centre.
-
B.
Government Center station
Government Center station is a major Boston subway hub and transfer point in downtown Boston, serving multiple MBTA Green Line branches and the Blue Line.
-
C.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
-
D.
Concourse B Station
Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
-
E.
Millennium Station
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
- 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_69a4933352e08190ac617291985e76c0 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a4bfa8cfa08190ac49c437a94a843c |
completed | March 1, 2026, 10:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac93cdba808190b7d164bb98efe3dc |
completed | March 7, 2026, 9:08 p.m. |
| NEDg | Description generation | batch_69ac94c0e6548190a2d40e3ac1a279ce |
completed | March 7, 2026, 9:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac9531c2f08190b570fcb7b035ea87 |
completed | March 7, 2026, 9:14 p.m. |
Created at: March 1, 2026, 7:50 p.m.