CP Class 3400
E308149
CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CP Class 3400 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2893870 — 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: CP Class 3400 Context triple: [Urbanos do Porto, usesRollingStock, CP Class 3400]
-
A.
CP Class 4000
CP Class 4000 is a series of high-speed electric multiple unit trains operated by Comboios de Portugal, primarily used for the Alfa Pendular tilting services.
-
B.
CP Carga
CP Carga is a Portuguese rail freight company that operates cargo transport services formerly under the national railway operator Comboios de Portugal.
-
C.
CP-140 Aurora
The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
-
D.
CPC
CPC is the commonly used English abbreviation for the Chinese Communist Party, the founding and ruling political party of the People's Republic of China.
-
E.
CPC
CPC is the commonly used abbreviation for the Communist Party of Canada, a Marxist–Leninist political party in Canada.
- 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: CP Class 3400 Target entity description: CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
-
A.
CP Class 4000
CP Class 4000 is a series of high-speed electric multiple unit trains operated by Comboios de Portugal, primarily used for the Alfa Pendular tilting services.
-
B.
CP Carga
CP Carga is a Portuguese rail freight company that operates cargo transport services formerly under the national railway operator Comboios de Portugal.
-
C.
CP-140 Aurora
The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
-
D.
CPC
CPC is the commonly used English abbreviation for the Chinese Communist Party, the founding and ruling political party of the People's Republic of China.
-
E.
CPC
CPC is the commonly used abbreviation for the Communist Party of Canada, a Marxist–Leninist political party in Canada.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
passenger train ⓘ |
| continent | Europe ⓘ |
| country | Portugal ⓘ |
| electrificationSystem | 25 kV AC overhead line ⓘ |
| network | CP Urbanos do Porto network ⓘ |
| operator |
CP Urbanos do Porto
ⓘ
linked to:
Urbanos do Porto
Comboios de Portugal ⓘ |
| owner | Comboios de Portugal ⓘ |
| powerType | electric ⓘ |
| propulsion | electric traction ⓘ |
| railwayCompany | Comboios de Portugal ⓘ |
| railwaySystem | Portuguese railway network ⓘ |
| serviceArea | Porto urban network ⓘ |
| serviceType |
regional rail
ⓘ
urban rail ⓘ |
| trackGauge | Iberian gauge ⓘ |
| trainType | EMU ⓘ |
| usedFor |
commuter rail services
ⓘ
suburban rail 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: CP Class 3400 Description of subject: CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.