Triple
T17180568
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yellow Line (Montreal Metro) |
E416969
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Montreal Metro rubber-tyred trains |
E85450
|
NE FINISHED |
How this triple was built (2 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: Montreal Metro rubber-tyred trains | Statement: [Yellow Line (Montreal Metro), rollingStock, Montreal Metro rubber-tyred trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Montreal Metro rubber-tyred trains Context triple: [Yellow Line (Montreal Metro), rollingStock, Montreal Metro rubber-tyred trains]
-
A.
Montreal Metro
chosen
The Montreal Metro is the rubber-tired rapid transit system serving the city of Montreal and its surrounding areas, known for its extensive underground network and distinctively designed stations.
-
B.
Alstom Metropolis
Alstom Metropolis is a family of modern, high-capacity metro trains manufactured by Alstom and used in urban rapid transit systems worldwide.
-
C.
Réseau express métropolitain
The Réseau express métropolitain (REM) is a fully automated, high-frequency light metro system serving the Greater Montreal area and designed to improve regional transit connectivity.
-
D.
MP series Paris Métro trains
The MP series Paris Métro trains are rubber-tyred electric multiple units used on various lines of the Paris Métro, known for their smooth ride and ability to handle steep gradients and tight curves.
-
E.
Mark II SkyTrain cars
Mark II SkyTrain cars are a generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system, featuring articulated, higher-capacity design for urban metro service.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3fc10afb48190a71f4a46f0280a14 |
completed | April 18, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a015fca04cc8190a9df230078fbe268 |
completed | May 11, 2026, 4:49 a.m. |
Created at: April 10, 2026, 5:37 a.m.