IE 8500 Class
E883841
The IE 8500 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IE 8500 Class canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10741655 — 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: IE 8500 Class Context triple: [DART, usesRollingStockClass, IE 8500 Class]
-
A.
Class 800 trains
Class 800 trains are modern bi-mode high-speed multiple units used on Britain’s mainline rail network, notably on intercity routes operated by companies such as London North Eastern Railway.
-
B.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
-
C.
InterCity 125
InterCity 125 is a British high-speed train set introduced in the 1970s, renowned for revolutionizing long-distance rail travel in the UK with its 125 mph services.
-
D.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
E.
Class 156 Super Sprinter
The Class 156 Super Sprinter is a British two-car diesel multiple unit train built in the late 1980s for regional and local passenger services across the UK rail network.
- 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: IE 8500 Class Target entity description: The IE 8500 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
-
A.
Class 800 trains
Class 800 trains are modern bi-mode high-speed multiple units used on Britain’s mainline rail network, notably on intercity routes operated by companies such as London North Eastern Railway.
-
B.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
-
C.
InterCity 125
InterCity 125 is a British high-speed train set introduced in the 1970s, renowned for revolutionizing long-distance rail travel in the UK with its 125 mph services.
-
D.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
E.
Class 156 Super Sprinter
The Class 156 Super Sprinter is a British two-car diesel multiple unit train built in the late 1980s for regional and local passenger services across the UK rail network.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
train class ⓘ |
| brakeType | air brakes ⓘ |
| category |
DART rolling stock
ⓘ
Irish Rail rolling stock ⓘ electric multiple units of Ireland ⓘ |
| country | Ireland ⓘ |
| coupling | multiple working with other DART EMUs ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | overhead AC ⓘ |
| gauge |
1600 mm
ⓘ
Irish gauge ⓘ |
| locale | Dublin ⓘ |
| multipleUnitType | EMU ⓘ |
| network | Dublin Area Rapid Transit ⓘ |
| operator |
DART
ⓘ
Iarnród Éireann ⓘ |
| owner | Iarnród Éireann ⓘ |
| powerCollectionMethod | overhead line ⓘ |
| railwayCompany | Iarnród Éireann ⓘ |
| regionServed |
Greater Dublin Area
ⓘ
linked to:
Dublin Region
|
| serviceStatus | in service ⓘ |
| serviceType |
commuter rail
ⓘ
suburban rail ⓘ |
| trackUsage |
Irish Rail suburban lines
ⓘ
linked to:
Irish Rail Eastern Commuter
|
| tractionType | electric ⓘ |
| usedFor |
DART services
ⓘ
passenger transport ⓘ suburban 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: IE 8500 Class Description of subject: The IE 8500 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.