Triple
T19923237
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toronto–Niagara Falls corridor |
E478852
|
entity |
| Predicate | majorRailComponent |
P49311
|
FINISHED |
| Object | Lakeshore West line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Lakeshore West line | Statement: [Toronto–Niagara Falls corridor, majorRailComponent, Lakeshore West line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lakeshore West line Context triple: [Toronto–Niagara Falls corridor, majorRailComponent, Lakeshore West line]
-
A.
Lakeshore West line
chosen
The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
-
B.
Stouffville line
The Stouffville line is a commuter rail corridor in the Greater Toronto Area operated by GO Transit, connecting downtown Toronto with communities to the northeast including Markham and Stouffville.
-
C.
TTC Line 4 Sheppard
TTC Line 4 Sheppard is a short east–west subway line in Toronto’s rapid transit network, running under Sheppard Avenue East and connecting several North York neighborhoods to the broader TTC system.
-
D.
Richmond Hill line
The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: majorRailComponent Context triple: [Toronto–Niagara Falls corridor, majorRailComponent, Lakeshore West line]
-
A.
railComponent
chosen
Indicates a relationship where one entity is a structural or functional part of a rail or railway system component of another entity.
-
B.
railroadMet
Indicates that two or more railroads encountered or connected with each other at a specific place or time.
-
C.
isRailInfrastructure
Indicates that something functions as or is classified as part of a railway-related physical infrastructure or system.
-
D.
hasRail
Indicates that something is equipped with, includes, or is connected to a rail or rail system.
-
E.
railroad
Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
- F. None of above.
Provenance (3 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_69d8e521855c8190b41871700afc8d6a |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e659c7be948190a65a1c78ba68dff3 |
completed | April 20, 2026, 4:52 p.m. |
| PD | Predicate disambiguation | batch_69e537f070b481908958e0e5911dcdc1 |
completed | April 19, 2026, 8:15 p.m. |
Created at: April 10, 2026, 1:53 p.m.