Fertagus cross-Tagus rail
E460973
Fertagus cross-Tagus rail is a suburban rail service linking Lisbon with cities south of the Tagus River via the 25 de Abril Bridge, forming a key commuter corridor in the metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fertagus cross-Tagus rail canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4691371 — 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: Fertagus cross-Tagus rail Context triple: [Lisbon public transport network, hasComponent, Fertagus cross-Tagus rail]
-
A.
Vilar Formoso–Fuentes de Oñoro rail link
The Vilar Formoso–Fuentes de Oñoro rail link is an international railway connection between Portugal and Spain that serves as a key cross-border route for passenger and freight traffic on the Iberian Peninsula.
-
B.
Valença–Tui rail link
The Valença–Tui rail link is an international railway connection between Portugal and Spain, crossing the Minho River between the towns of Valença and Tui.
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C.
Madrid–Barcelona railway
The Madrid–Barcelona railway is a major Spanish rail line linking the capital Madrid with the northeastern city of Barcelona, serving as one of the country’s principal passenger and freight corridors.
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D.
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.
-
E.
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.
- 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: Fertagus cross-Tagus rail Target entity description: Fertagus cross-Tagus rail is a suburban rail service linking Lisbon with cities south of the Tagus River via the 25 de Abril Bridge, forming a key commuter corridor in the metropolitan area.
-
A.
Vilar Formoso–Fuentes de Oñoro rail link
The Vilar Formoso–Fuentes de Oñoro rail link is an international railway connection between Portugal and Spain that serves as a key cross-border route for passenger and freight traffic on the Iberian Peninsula.
-
B.
Valença–Tui rail link
The Valença–Tui rail link is an international railway connection between Portugal and Spain, crossing the Minho River between the towns of Valença and Tui.
-
C.
Madrid–Barcelona railway
The Madrid–Barcelona railway is a major Spanish rail line linking the capital Madrid with the northeastern city of Barcelona, serving as one of the country’s principal passenger and freight corridors.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
suburban rail service ⓘ |
| bridgeDeck | lower deck of 25 de Abril Bridge ⓘ |
| connectsSide |
north bank of Tagus River
ⓘ
south bank of Tagus River ⓘ |
| connectsTo |
Lisbon Metro at Roma-Areeiro area
ⓘ
linked to:
Lisbon Metro
other suburban rail lines in Lisbon ⓘ |
| country | Portugal ⓘ |
| crossesRiver | Tagus River ⓘ |
| electrification | 25 kV AC overhead line ⓘ |
| fareSystem | integrated with Lisbon metropolitan transport fares ⓘ |
| gauge | Iberian gauge ⓘ |
| hasStation |
Campolide station
ⓘ
Entrecampos station ⓘ Fogueteiro station ⓘ Foros de Amora station ⓘ Palmela station ⓘ Pinhal Novo station ⓘ Pragal station ⓘ
linked to:
Pragal railway station
|
| infrastructureType | heavy rail ⓘ |
| network | Lisbon suburban rail network ⓘ |
| notableFeature | first rail service to use the 25 de Abril Bridge ⓘ |
| openedForService | 1999 ⓘ |
| operator | Fertagus ⓘ |
| ownerOfInfrastructure | Infraestruturas de Portugal ⓘ |
| primaryFunction | link Lisbon with cities south of the Tagus River ⓘ |
| region | Setúbal Peninsula ⓘ |
| role | key commuter corridor in Lisbon metropolitan area ⓘ |
| rollingStock | electric multiple units ⓘ |
| servesCity |
Lisbon
ⓘ
Setúbal ⓘ |
| servesMunicipality |
Almada
ⓘ
Barreiro ⓘ Palmela ⓘ
linked to:
Palmela, Portugal
Seixal ⓘ |
| servesRegion | Lisbon metropolitan area ⓘ |
| serviceFrequency | high frequency at peak hours ⓘ |
| servicePattern |
all-stations suburban services
ⓘ
semi-fast commuter services ⓘ |
| serviceType | passenger only ⓘ |
| terminus |
Coina station
ⓘ
Lisboa Roma-Areeiro station ⓘ Setúbal station ⓘ |
| ticketing | supports monthly commuter passes ⓘ |
| trackConfiguration | double track ⓘ |
| usesBridge | 25 de Abril Bridge ⓘ |
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: Fertagus cross-Tagus rail Description of subject: Fertagus cross-Tagus rail is a suburban rail service linking Lisbon with cities south of the Tagus River via the 25 de Abril Bridge, forming a key commuter corridor in the metropolitan area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.