Lisbon suburban rail network
E1019620
The Lisbon suburban rail network is a commuter rail system serving the Lisbon metropolitan area, connecting the city with surrounding suburbs and coastal towns.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lisbon suburban rail network canonical | 3 |
| Urban trains of Lisbon | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12954309 — 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: Lisbon suburban rail network Context triple: [Linha de Cascais, partOf, Lisbon suburban rail network]
-
A.
Porto commuter rail system
The Porto commuter rail system is a suburban railway network serving the Porto metropolitan area in Portugal, connecting the city with surrounding towns and suburbs through frequent regional train services.
-
B.
Lisbon Metro
Lisbon Metro is the rapid transit system serving Portugal’s capital, providing an extensive network of underground and suburban rail lines across the Lisbon metropolitan area.
-
C.
Lisbon public transport network
The Lisbon public transport network is the integrated system of trams, buses, metro lines, funiculars, lifts, and suburban trains that serves the city of Lisbon and its surrounding areas.
-
D.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
E.
Lisbon–Porto main line
The Lisbon–Porto main line is Portugal’s principal railway corridor, connecting the capital Lisbon with the northern city of Porto and serving major intermediate urban centers.
- 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: Lisbon suburban rail network Target entity description: The Lisbon suburban rail network is a commuter rail system serving the Lisbon metropolitan area, connecting the city with surrounding suburbs and coastal towns.
-
A.
Porto commuter rail system
The Porto commuter rail system is a suburban railway network serving the Porto metropolitan area in Portugal, connecting the city with surrounding towns and suburbs through frequent regional train services.
-
B.
Lisbon Metro
Lisbon Metro is the rapid transit system serving Portugal’s capital, providing an extensive network of underground and suburban rail lines across the Lisbon metropolitan area.
-
C.
Lisbon public transport network
The Lisbon public transport network is the integrated system of trams, buses, metro lines, funiculars, lifts, and suburban trains that serves the city of Lisbon and its surrounding areas.
-
D.
Porto Metro
Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
-
E.
Lisbon–Porto main line
The Lisbon–Porto main line is Portugal’s principal railway corridor, connecting the capital Lisbon with the northern city of Porto and serving major intermediate urban centers.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail network
ⓘ
public transport system ⓘ |
| connects |
Atlantic coastal towns near Lisbon
ⓘ
Lisbon city centre NERFINISHED ⓘ Lisbon suburbs ⓘ Tagus River estuary corridor NERFINISHED ⓘ |
| connectsTo |
Lisbon Metro
NERFINISHED
ⓘ
Lisbon bus network NERFINISHED ⓘ fertagus rail services NERFINISHED ⓘ |
| country | Portugal ⓘ |
| electrification |
1.5 kV DC overhead line
ⓘ
25 kV AC overhead line ⓘ |
| fareSystem | integrated with Lisbon urban transport fares in core zones ⓘ |
| hasLine |
Azambuja Line
NERFINISHED
ⓘ
Cascais Line NERFINISHED ⓘ Sado Line NERFINISHED ⓘ Sintra Line NERFINISHED ⓘ |
| hasOwner | Portuguese state (infrastructure) ⓘ |
| hasServiceType |
all-stations stopping service
ⓘ
semi-fast commuter service ⓘ |
| hasTerminus |
Azambuja railway station
NERFINISHED
ⓘ
Cascais railway station NERFINISHED ⓘ Praias do Sado railway station NERFINISHED ⓘ Setúbal railway station NERFINISHED ⓘ Sintra railway station NERFINISHED ⓘ |
| locatedInTimeZone |
Western European Summer Time
NERFINISHED
ⓘ
Western European Time ⓘ |
| operator | Comboios de Portugal NERFINISHED ⓘ |
| partOf | rail transport in Portugal ⓘ |
| primaryHub |
Lisbon Cais do Sodré railway station
NERFINISHED
ⓘ
Lisbon Oriente railway station NERFINISHED ⓘ Lisbon Rossio railway station NERFINISHED ⓘ Lisbon Santa Apolónia railway station NERFINISHED ⓘ |
| purpose |
commuter transport
ⓘ
regional passenger transport ⓘ |
| region |
Lisbon District
NERFINISHED
ⓘ
Setúbal District NERFINISHED ⓘ |
| rollingStockType | electric multiple unit ⓘ |
| safetySystem | automatic train protection (on main lines) ⓘ |
| serves |
Azambuja
NERFINISHED
ⓘ
Cascais NERFINISHED ⓘ Lisbon NERFINISHED ⓘ Lisbon metropolitan area NERFINISHED ⓘ Sado Line corridor NERFINISHED ⓘ Sintra NERFINISHED ⓘ |
| trackGauge |
Iberian gauge
ⓘ
Portuguese broad gauge ⓘ |
| usesInfrastructureOf | Infraestruturas de Portugal NERFINISHED ⓘ |
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: Lisbon suburban rail network Description of subject: The Lisbon suburban rail network is a commuter rail system serving the Lisbon metropolitan area, connecting the city with surrounding suburbs and coastal towns.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Urban trains of Lisbon