MI 84
E332707
MI 84 is a class of electric multiple unit trains used on the RER B commuter rail line in the Paris metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MI 84 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3141571 — 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: MI 84 Context triple: [RER B, usesRollingStock, MI 84]
-
A.
MI 09
MI 09 is a modern dual-voltage electric multiple unit train used on the RER A commuter rail line in the Paris region.
-
B.
MI1
MI1 was an early British military intelligence section responsible for handling secret information and code-related work before later intelligence agencies were formally established.
-
C.
Operation MI
Operation MI was the Imperial Japanese Navy’s World War II plan to seize Midway Atoll, culminating in the pivotal Battle of Midway in June 1942.
-
D.
Miette
Miette is a brave and resourceful young orphan girl who becomes a central figure in the dark fantasy film "The City of Lost Children," helping to unravel its sinister mysteries.
-
E.
Mir
Mir was a Soviet and later Russian modular space station that served as a long-term research outpost in low Earth orbit from 1986 to 2001.
- 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: MI 84 Target entity description: MI 84 is a class of electric multiple unit trains used on the RER B commuter rail line in the Paris metropolitan area.
-
A.
MI 09
MI 09 is a modern dual-voltage electric multiple unit train used on the RER A commuter rail line in the Paris region.
-
B.
MI1
MI1 was an early British military intelligence section responsible for handling secret information and code-related work before later intelligence agencies were formally established.
-
C.
Operation MI
Operation MI was the Imperial Japanese Navy’s World War II plan to seize Midway Atoll, culminating in the pivotal Battle of Midway in June 1942.
-
D.
Miette
Miette is a brave and resourceful young orphan girl who becomes a central figure in the dark fantasy film "The City of Lost Children," helping to unravel its sinister mysteries.
-
E.
Mir
Mir was a Soviet and later Russian modular space station that served as a long-term research outpost in low Earth orbit from 1986 to 2001.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
rolling stock ⓘ train class ⓘ |
| belongsToFleet | RER B rolling stock ⓘ |
| brakeType | electro‑pneumatic brakes ⓘ |
| category | French electric multiple unit ⓘ |
| compatibleWith |
RER B line
ⓘ
surface form:
RER B infrastructure
|
| countryOfOperation | France ⓘ |
| designedFor |
high‑frequency services
ⓘ
suburban services ⓘ |
| designedToOperateOn | mixed urban and suburban routes ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystemSupported |
1.5 kV DC overhead line
ⓘ
25 kV AC overhead line ⓘ |
| gauge | standard gauge ⓘ |
| hasFormation | multiple-car fixed formation ⓘ |
| hasPassengerClass | standard class ⓘ |
| introducedOnLine |
RER B line
ⓘ
surface form:
RER B
|
| multipleUnitType | electric multiple unit ⓘ |
| network |
RER network
ⓘ
surface form:
Paris RER
Réseau Express Régional ⓘ |
| operatingArea |
Île-de-France region
ⓘ
surface form:
Île‑de‑France
|
| operator |
RATP group
ⓘ
surface form:
RATP
RER B line ⓘ
surface form:
RER B
SNCF ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| primaryCityServed | Paris ⓘ |
| railwayLineUsedOn |
RER B line
ⓘ
surface form:
RER B
|
| routeType | airport rail link capable ⓘ |
| servicePattern | frequent stop commuter service ⓘ |
| serviceStatus | in service ⓘ |
| serviceType | commuter rail ⓘ |
| tractionType | electric ⓘ |
| usedBy |
daily commuters
ⓘ
regional passengers ⓘ |
| usedFor | passenger transport ⓘ |
| usedIn |
Grand Paris urban area
ⓘ
surface form:
Paris metropolitan area
|
| vehicleType | EMU ⓘ |
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: MI 84 Description of subject: MI 84 is a class of electric multiple unit trains used on the RER B commuter rail line in the Paris metropolitan area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
RER B