Lisbon Metro
E18934
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.
All labels observed (20)
How this entity was disambiguated
This entity first appeared as the object of triple T154679 — 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 Metro Context triple: [Lisbon, transportSystem, Lisbon Metro]
-
A.
Santiago Metro
Santiago Metro is the rapid transit system serving Chile's capital, known as one of Latin America’s largest and most extensive urban rail networks.
-
B.
Algarve line
The Algarve line is a major railway route in southern Portugal that connects the region’s coastal towns and cities along the Algarve.
-
C.
Comboios de Portugal
Comboios de Portugal is Portugal’s national state-owned railway company, responsible for operating most of the country’s passenger and freight train services.
-
D.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
-
E.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
- 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 Metro Target entity description: 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.
-
A.
Santiago Metro
Santiago Metro is the rapid transit system serving Chile's capital, known as one of Latin America’s largest and most extensive urban rail networks.
-
B.
Algarve line
The Algarve line is a major railway route in southern Portugal that connects the region’s coastal towns and cities along the Algarve.
-
C.
Comboios de Portugal
Comboios de Portugal is Portugal’s national state-owned railway company, responsible for operating most of the country’s passenger and freight train services.
-
D.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
-
E.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport network ⓘ rapid transit system ⓘ |
| city | Lisbon ⓘ |
| connects | central Lisbon with suburbs ⓘ |
| connectsTo |
Cais do Sodré railway station
ⓘ
Lisbon Oriente railway station ⓘ
surface form:
Gare do Oriente
Lisbon Airport ⓘ
surface form:
Lisbon Portela Airport
Santa Apolónia railway station ⓘ Sete Rios bus terminal ⓘ |
| country | Portugal ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareIntegrationWith |
Urbanos de Lisboa
ⓘ
surface form:
CP Urbanos de Lisboa
Carris ⓘ Fertagus ⓘ |
| fareSystem | zonal fare system ⓘ |
| hasDepot |
Carnide depot
ⓘ
Pontinha depot ⓘ |
| hasFeature |
accessibility features for reduced mobility
ⓘ
artistic station design ⓘ automatic ticket barriers ⓘ contactless payment support ⓘ suburban surface sections ⓘ underground sections ⓘ |
| languageOfSignage |
English
ⓘ
Portuguese ⓘ |
| line |
Blue Line
ⓘ
Green Line ⓘ Red Line ⓘ Yellow Line ⓘ |
| locale |
Lisbon
ⓘ
surface form:
Lisbon, Portugal
|
| numberOfLines | 4 ⓘ |
| numberOfStations | over 50 ⓘ |
| openingDate | 1959-12-29 ⓘ |
| operator |
Lisbon Metro
self-linksurface differs
ⓘ
surface form:
Metropolitano de Lisboa, EPE
|
| originalName |
Lisbon Metro
self-linksurface differs
ⓘ
surface form:
Metropolitano de Lisboa
|
| owner |
Portugal
ⓘ
surface form:
Portuguese state
|
| primaryFunction | urban mass transit ⓘ |
| regulator |
Portuguese Ministry of Infrastructure
ⓘ
surface form:
Portuguese Transport Authority
|
| rollingStockType | electric multiple units ⓘ |
| safetySystem | automatic train protection ⓘ |
| serves |
Lisbon
ⓘ
Lisbon District ⓘ
surface form:
Lisbon metropolitan area
|
| systemLength | over 40 km ⓘ |
| ticketMedium |
Navegante card
ⓘ
Viva Viagem smart card ⓘ |
| trackGauge | 1,435 mm standard gauge ⓘ |
| website | https://www.metrolisboa.pt ⓘ |
| zone |
Lisbon public transport network
ⓘ
surface form:
Lisbon metropolitan transport network
|
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 Metro Description of subject: 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.
Referenced by (96)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Metropolitano de Lisboa, EPE
this entity surface form:
Metropolitano de Lisboa
this entity surface form:
Lisbon Metro Red Line
this entity surface form:
Blue Line (Lisbon Metro)
this entity surface form:
Lisbon Metro Blue Line
this entity surface form:
Blue Line (Lisbon Metro)
this entity surface form:
Metropolitano de Lisboa, EPE
this entity surface form:
Metropolitano de Lisboa, EPE
this entity surface form:
Lisbon Metro ML90 trains
this entity surface form:
Lisbon Metro ML95 trains
this entity surface form:
Lisbon Metro ML97 trains
this entity surface form:
Lisbon Metro ML99 trains
this entity surface form:
Metropolitano de Lisboa
this entity surface form:
Lisbon metro
this entity surface form:
Metropolitano de Lisboa
this entity surface form:
Lisbon Metro Blue Line
this entity surface form:
Blue Line (Lisbon Metro)
this entity surface form:
Metropolitano de Lisboa, EPE
this entity surface form:
Metropolitano de Lisboa, EPE
this entity surface form:
Lisbon Metro infrastructure
this entity surface form:
Metropolitano de Lisboa, EPE
this entity surface form:
Metropolitano de Lisboa, EPE
this entity surface form:
Lisbon Metro Blue Line
this entity surface form:
Lisbon Metro Blue Line
this entity surface form:
Metropolitano de Lisboa
this entity surface form:
Metropolitano de Lisboa
this entity surface form:
Blue Line (Lisbon Metro)
this entity surface form:
Green Line (Lisbon Metro)
this entity surface form:
Lisbon Metro Yellow Line
this entity surface form:
Lisbon Metro (Baixa-Chiado area)
this entity surface form:
Lisbon Metro Green Line
subject surface form:
Terminal 1 (Lisbon Airport)