MI 79
E332706
MI 79 is a class of electric multiple unit trains built for the Paris RER network, notably used on Line B.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MI 79 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3141570 — 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 79 Context triple: [RER B, usesRollingStock, MI 79]
-
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.
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.
-
C.
MF 77
MF 77 is a steel-wheeled electric multiple unit train used on several lines of the Paris Métro, introduced in the late 1970s to modernize the network’s rolling stock.
-
D.
M-Code
M-Code is an advanced, encrypted military GPS signal designed to provide more secure and jam-resistant positioning and navigation for authorized users.
-
E.
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.
- 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 79 Target entity description: MI 79 is a class of electric multiple unit trains built for the Paris RER network, notably used on Line B.
-
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.
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.
-
C.
MF 77
MF 77 is a steel-wheeled electric multiple unit train used on several lines of the Paris Métro, introduced in the late 1970s to modernize the network’s rolling stock.
-
D.
M-Code
M-Code is an advanced, encrypted military GPS signal designed to provide more secure and jam-resistant positioning and navigation for authorized users.
-
E.
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.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
rolling stock ⓘ train class ⓘ |
| alsoUsedOnLine | RER A ⓘ |
| brakeType | electro-pneumatic brakes ⓘ |
| country | France ⓘ |
| couplingCapability | multiple units can be coupled in pairs ⓘ |
| designedBy | French rolling stock manufacturers ⓘ |
| designedFor |
high-capacity commuter traffic
ⓘ
regional service ⓘ suburban service ⓘ |
| designedToOperateOn | both RATP and SNCF infrastructure ⓘ |
| doorType | sliding plug doors ⓘ |
| electrificationSystem |
1.5 kV DC overhead line
ⓘ
25 kV 50 Hz AC overhead line ⓘ |
| enteredService | 1980 ⓘ |
| fleetRole | core rolling stock of RER B for several decades ⓘ |
| formation | 4-car sets ⓘ |
| hasCab | driving cabs at both ends of the unit ⓘ |
| hasPantograph | yes ⓘ |
| introduced | 1979 ⓘ |
| livery | RATP/SNCF RER corporate colors ⓘ |
| multipleUnitType | dual-voltage EMU ⓘ |
| networkSegment |
RER C and RER D lines junction
ⓘ
surface form:
north–south cross-city RER axis via central Paris
|
| operator |
RATP group
ⓘ
surface form:
RATP
SNCF ⓘ |
| operatorType | joint RATP–SNCF fleet ⓘ |
| passengerAccess | high-platform boarding ⓘ |
| powerType | electric ⓘ |
| primaryLine |
RER B line
ⓘ
surface form:
RER B
|
| purpose | to handle growing RER B ridership ⓘ |
| railwayNetwork |
RER network
ⓘ
surface form:
Paris RER
|
| region |
Grand Paris urban area
ⓘ
surface form:
Paris metropolitan area
|
| routeType | mixed underground and surface operation ⓘ |
| safetySystem | French national signalling systems compatible with RER ⓘ |
| serviceArea |
Île-de-France region
ⓘ
surface form:
Île-de-France
|
| serviceStatus | in service (partially modernized) ⓘ |
| serviceType | all-stations and semi-fast services on RER B ⓘ |
| successorClass |
MI 09
ⓘ
MI 2N ⓘ MI 84 ⓘ |
| trackGauge | standard gauge ⓘ |
| traction | electric traction motors ⓘ |
| usedFor | RER interconnection services ⓘ |
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 79 Description of subject: MI 79 is a class of electric multiple unit trains built for the Paris RER network, notably used on Line B.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
RER B