MR-73
E387552
MR-73 is a class of rubber-tired electric multiple unit trains used on the Montreal Metro system.
All labels observed (3)
| Label | Occurrences |
|---|---|
| MR 73 | 1 |
| MR-73 canonical | 1 |
| MR-73 series | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3782448 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MR-73 Context triple: [Montreal Metro, rollingStock, MR-73]
-
A.
M-77
M-77 is a state highway in Michigan, United States, running north–south through the eastern Upper Peninsula.
-
B.
M-72
M-72 is a state highway in northern Michigan that serves as a key east–west route connecting Traverse City with several inland communities and recreational areas.
-
C.
M-37
M-37 is a state highway in Michigan that runs up the Old Mission Peninsula, providing scenic access between Traverse City and the peninsula’s vineyards, orchards, and shoreline.
-
D.
M-97
M-97 is a state highway in Michigan that serves as a key transportation route through the Detroit metropolitan area, including Warren.
-
E.
M73
M73 is a short motorway in central Scotland that links the M74 and M80 motorways, serving as part of the main route around the east of Glasgow.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MR-73 Target entity description: MR-73 is a class of rubber-tired electric multiple unit trains used on the Montreal Metro system.
-
A.
M-77
M-77 is a state highway in Michigan, United States, running north–south through the eastern Upper Peninsula.
-
B.
M-72
M-72 is a state highway in northern Michigan that serves as a key east–west route connecting Traverse City with several inland communities and recreational areas.
-
C.
M-37
M-37 is a state highway in Michigan that runs up the Old Mission Peninsula, providing scenic access between Traverse City and the peninsula’s vineyards, orchards, and shoreline.
-
D.
M-97
M-97 is a state highway in Michigan that serves as a key transportation route through the Detroit metropolitan area, including Warren.
-
E.
M73
M73 is a short motorway in central Scotland that links the M74 and M80 motorways, serving as part of the main route around the east of Glasgow.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Montreal Metro train
ⓘ
rolling stock ⓘ rubber-tired electric multiple unit train ⓘ |
| belongsToFleet | Montreal Metro rolling stock ⓘ |
| brakeType |
electrodynamic braking
ⓘ
pneumatic braking ⓘ regenerative braking ⓘ |
| builtFor | Montreal Metro ⓘ |
| carBodyMaterial | steel ⓘ |
| cityOfOperation | Montreal ⓘ |
| controlSystem | chopper control ⓘ |
| countryOfOperation | Canada ⓘ |
| designationMeaning | Matériel roulant 1973 ⓘ |
| designedBy | Bombardier engineers ⓘ |
| designedFor | high-frequency metro service ⓘ |
| designedForPlatformType | high platforms ⓘ |
| doorOperation | powered doors ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| fleetName |
MR-73 series
ⓘ
linked to:
MR-73
|
| formation | three-car trainset ⓘ |
| gauge | standard gauge guideway with rubber tires ⓘ |
| hasBogieType | rubber-tired bogies ⓘ |
| hasCab | driver’s cab at each end car ⓘ |
| hasCoupling | automatic couplers ⓘ |
| hasFeature | distinctive acceleration sound ⓘ |
| hasGuidanceSystem | side guide wheels ⓘ |
| hasInteriorLayout | longitudinal seating ⓘ |
| hasPropulsion | electric traction motors ⓘ |
| hasVentilation | forced-air ventilation ⓘ |
| introducedInService | 1976 ⓘ |
| languageOfDesignation | French ⓘ |
| manufacturer |
Bombardier
ⓘ
Bombardier Transportation ⓘ
linked to:
Bombardier
|
| network | Montreal Metro ⓘ |
| operator |
Montreal Metro
ⓘ
Société de transport de Montréal ⓘ |
| powerCollectionMethod |
guide bar pickup
ⓘ
third rail ⓘ |
| safetySystem |
automatic train control
ⓘ
train stop system ⓘ |
| serviceStatus | in service ⓘ |
| trackType | rubber-tired metro track ⓘ |
| tractionType | electric ⓘ |
| usedFor | urban passenger transport ⓘ |
| usedInEvent | transport for 1976 Montreal Olympics ⓘ |
| usedOnLine |
Montreal Metro Blue Line
ⓘ
linked to:
Montreal Metro
Montreal Metro Green Line ⓘ
linked to:
Montreal Metro
Montreal Metro Orange Line ⓘ
linked to:
Montreal Metro
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: MR-73 Description of subject: MR-73 is a class of rubber-tired electric multiple unit trains used on the Montreal Metro system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: MR-73