Portuguese national rail network

E63153

railway network transport infrastructure

The Portuguese national rail network is the countrywide system of railway lines and infrastructure in Portugal that supports passenger and freight train services across the nation.

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All labels observed (7)

Label	Occurrences
Portuguese railway network	21
Portuguese Railways	3
Portuguese State Railways	1
Portuguese national rail network canonical	1
Portuguese national railway network	1
Portuguese rail network	1
Portuguese railway system	1

How this entity was disambiguated

This entity first appeared as the object of triple T504277 — 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: Portuguese national rail network
Context triple: [Infraestruturas de Portugal, operates, Portuguese national rail network]

A. 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.
B. Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
C. 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.
D. CPTM commuter rail
CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
E. Thalys
Thalys is a high-speed international train service connecting major cities in France, Belgium, the Netherlands, and Germany.
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: Portuguese national rail network
Target entity description: The Portuguese national rail network is the countrywide system of railway lines and infrastructure in Portugal that supports passenger and freight train services across the nation.

A. 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.
B. Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
C. 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.
D. CPTM commuter rail
CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
E. Thalys
Thalys is a high-speed international train service connecting major cities in France, Belgium, the Netherlands, and Germany.
F. None of above. chosen

Statements (73)

Predicate	Object
instanceOf	railway network ⓘ transport infrastructure ⓘ
connectsCity	Aveiro ⓘ Beja ⓘ linked to: Beja District Braga ⓘ Coimbra ⓘ Covilhã ⓘ Faro ⓘ Guimarães ⓘ Lisbon ⓘ Porto ⓘ Viana do Castelo ⓘ Vila Real ⓘ Évora ⓘ
connectsTo	Spanish rail network ⓘ
country	Portugal ⓘ
electrificationSystem	1.5 kV DC overhead line (on some suburban sections) ⓘ 25 kV 50 Hz AC overhead line ⓘ
gauge	Iberian gauge ⓘ metre gauge (on some lines, historically) ⓘ
governingBody	Infraestruturas de Portugal ⓘ
hasBorderCrossing	Valença–Tui rail link ⓘ Vila Real de Santo António–Ayamonte rail link (historical) ⓘ linked to: Vila Real de Santo António railway station Vilar Formoso–Fuentes de Oñoro rail link ⓘ
hasFreightOperator	Medway (Portugal) ⓘ Takargo Rail ⓘ
hasHighSpeedService	Alfa Pendular ⓘ
hasIntercityService	Intercidades ⓘ
hasMainPassengerOperator	Comboios de Portugal ⓘ
hasMajorStation	Braga railway station ⓘ Coimbra-B railway station ⓘ Faro railway station ⓘ Guimarães railway station ⓘ Lisboa Oriente railway station ⓘ linked to: Lisbon Oriente railway station Lisboa Santa Apolónia railway station ⓘ linked to: Lisbon Santa Apolónia railway station Porto Campanhã railway station ⓘ Porto São Bento railway station ⓘ
hasPassengerOperator	Comboios de Portugal ⓘ Fertagus ⓘ Medway (Portugal) ⓘ
hasPurpose	freight transport ⓘ passenger transport ⓘ
hasServiceType	freight rail ⓘ long-distance passenger rail ⓘ regional passenger rail ⓘ suburban rail ⓘ
hasSuburbanServiceBrand	Urbanos de Coimbra ⓘ Urbanos de Lisboa ⓘ Urbanos do Porto ⓘ
includesLine	Linha da Beira Alta ⓘ Linha da Beira Baixa ⓘ Linha de Cascais ⓘ Linha de Guimarães ⓘ Linha de Leixões ⓘ Linha de Sintra ⓘ Linha de Évora ⓘ linked to: Linha do Alentejo Linha do Algarve ⓘ linked to: Algarve line Linha do Corgo (partly closed) ⓘ Linha do Douro ⓘ Linha do Minho ⓘ Linha do Norte ⓘ Linha do Oeste ⓘ Linha do Sul ⓘ Linha do Tua (partly closed) ⓘ Linha do Vouga ⓘ
locatedIn	Portugal ⓘ
operator	Infraestruturas de Portugal ⓘ
owner	Infraestruturas de Portugal ⓘ
partOf	transport system of Portugal ⓘ
regulatingAuthority	Government of Portugal ⓘ
supervisedBy	Ministry of Infrastructure and Housing of Portugal ⓘ linked to: Portuguese Ministry of Infrastructure
trackConfiguration	double track on main corridors ⓘ mostly single track ⓘ

How these facts were elicited