Triple
T458473
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 3 Scarborough |
E7282
|
entity |
| Predicate | plannedSuccessor |
P11447
|
FINISHED |
| Object |
Scarborough Subway Extension of Line 2
The Scarborough Subway Extension of Line 2 is a planned Toronto subway project that will replace the aging Scarborough RT with an extended, fully grade-separated rapid transit line serving Scarborough.
|
E46848
|
NE FINISHED |
How this triple was built (5 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: Scarborough Subway Extension of Line 2 | Statement: [Line 3 Scarborough, plannedSuccessor, Scarborough Subway Extension of Line 2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Scarborough Subway Extension of Line 2 Context triple: [Line 3 Scarborough, plannedSuccessor, Scarborough Subway Extension of Line 2]
-
A.
Line 3 Scarborough
Line 3 Scarborough was a former light metro line of the Toronto subway system that served the Scarborough district in Toronto, Ontario, Canada.
-
B.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
C.
IND Crosstown Line
The IND Crosstown Line is a New York City Subway line in Brooklyn and Queens served by the G train, notable for being the only major line that does not enter Manhattan.
-
D.
Second Avenue Subway
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
-
E.
Line 2 Bloor–Danforth
Line 2 Bloor–Danforth is a major east–west subway line in Toronto’s rapid transit system, running primarily along Bloor Street and Danforth Avenue.
- 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: Scarborough Subway Extension of Line 2 Triple: [Line 3 Scarborough, plannedSuccessor, Scarborough Subway Extension of Line 2]
Generated description
The Scarborough Subway Extension of Line 2 is a planned Toronto subway project that will replace the aging Scarborough RT with an extended, fully grade-separated rapid transit line serving Scarborough.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Scarborough Subway Extension of Line 2 Target entity description: The Scarborough Subway Extension of Line 2 is a planned Toronto subway project that will replace the aging Scarborough RT with an extended, fully grade-separated rapid transit line serving Scarborough.
-
A.
Line 3 Scarborough
chosen
Line 3 Scarborough was a former light metro line of the Toronto subway system that served the Scarborough district in Toronto, Ontario, Canada.
-
B.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
C.
IND Crosstown Line
The IND Crosstown Line is a New York City Subway line in Brooklyn and Queens served by the G train, notable for being the only major line that does not enter Manhattan.
-
D.
Second Avenue Subway
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
-
E.
Line 2 Bloor–Danforth
Line 2 Bloor–Danforth is a major east–west subway line in Toronto’s rapid transit system, running primarily along Bloor Street and Danforth Avenue.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: plannedSuccessor Context triple: [Line 3 Scarborough, plannedSuccessor, Scarborough Subway Extension of Line 2]
-
A.
successorDesignated
Indicates that one entity has been formally chosen or named to take over the role, position, or responsibilities of another entity in the future.
-
B.
successor
Indicates that one entity directly follows another in an ordered sequence or position.
-
C.
eventualSuccessor
chosen
Indicates that one entity will become the successor of another at some later point in time, rather than immediately.
-
D.
successorStateRole
Indicates that one role represents the state or position that directly follows and replaces another role in a sequence or process.
-
E.
successorInCommand
Indicates that one entity is designated to assume command authority immediately after another entity, typically when the latter is unavailable or their term ends.
- F. None of above.
Provenance (6 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_69a44f56b3808190b34ddd3e60b84f85 |
completed | March 1, 2026, 2:38 p.m. |
| NEDg | Description generation | batch_69a450d6a538819098c31a4f429bb149 |
completed | March 1, 2026, 2:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a45143456081909aebbed149a5c200 |
completed | March 1, 2026, 2:46 p.m. |
| PD | Predicate disambiguation | batch_69a2ede75b6c81908350103d21f22a03 |
completed | Feb. 28, 2026, 1:30 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.