Castejón–Bilbao railway
E780178
The Castejón–Bilbao railway is a Spanish rail line connecting the Ebro Valley with the port city of Bilbao, historically important for both passenger travel and freight transport in northern Spain.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Castejón–Bilbao railway canonical | 3 |
| Burgos–Bilbao railway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9108283 — 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: Castejón–Bilbao railway Context triple: [Miranda de Ebro, railwayJunctionFor, Castejón–Bilbao railway]
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A.
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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B.
Madrid–Hendaye railway
The Madrid–Hendaye railway is a major Spanish rail line that connects the capital Madrid with the French border at Hendaye, serving as a key north–south transport corridor.
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C.
Madrid–Alicante railway
The Madrid–Alicante railway is a major Spanish rail line connecting the capital Madrid with the Mediterranean coastal city of Alicante, serving as an important corridor for both passenger and freight transport.
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D.
Madrid–Aranjuez railway
The Madrid–Aranjuez railway is one of Spain’s oldest railway lines, historically linking Madrid with the royal town of Aranjuez and playing a key role in the early development of the country’s rail network.
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E.
Madrid–Valencia railway
The Madrid–Valencia railway is a major Spanish rail line connecting the nation’s capital with the Mediterranean port city of Valencia, serving as an important corridor for both passenger and freight transport.
- 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: Castejón–Bilbao railway Target entity description: The Castejón–Bilbao railway is a Spanish rail line connecting the Ebro Valley with the port city of Bilbao, historically important for both passenger travel and freight transport in northern Spain.
-
A.
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.
-
B.
Madrid–Hendaye railway
The Madrid–Hendaye railway is a major Spanish rail line that connects the capital Madrid with the French border at Hendaye, serving as a key north–south transport corridor.
-
C.
Madrid–Alicante railway
The Madrid–Alicante railway is a major Spanish rail line connecting the capital Madrid with the Mediterranean coastal city of Alicante, serving as an important corridor for both passenger and freight transport.
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D.
Madrid–Aranjuez railway
The Madrid–Aranjuez railway is one of Spain’s oldest railway lines, historically linking Madrid with the royal town of Aranjuez and playing a key role in the early development of the country’s rail network.
-
E.
Madrid–Valencia railway
The Madrid–Valencia railway is a major Spanish rail line connecting the nation’s capital with the Mediterranean port city of Valencia, serving as an important corridor for both passenger and freight transport.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
railway infrastructure in Spain
ⓘ
railway line ⓘ |
| connects |
Bilbao
ⓘ
Castejón de Ebro ⓘ |
| connectsRegion |
Ebro Valley
ⓘ
linked to:
Ebro basin
|
| connectsTo | Port of Bilbao ⓘ |
| country | Spain ⓘ |
| electrification | partially electrified ⓘ |
| gauge | Iberian gauge ⓘ |
| hasEndpoint |
Bilbao metropolitan area
ⓘ
Ebro Valley ⓘ
linked to:
Ebro basin
|
| historicalRole |
facilitated industrial freight to Bilbao
ⓘ
linked Ebro Valley agricultural areas with Bilbao ⓘ |
| historicalSignificance | important for transport in northern Spain ⓘ |
| locatedIn |
Basque Country
ⓘ
Navarre ⓘ northern Spain ⓘ |
| partOf | Spanish railway network ⓘ |
| serves |
port traffic to Bilbao
ⓘ
regional passenger services ⓘ |
| status | in use ⓘ |
| terminus |
Bilbao
ⓘ
Castejón de Ebro ⓘ |
| transportMode | rail ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ |
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: Castejón–Bilbao railway Description of subject: The Castejón–Bilbao railway is a Spanish rail line connecting the Ebro Valley with the port city of Bilbao, historically important for both passenger travel and freight transport in northern Spain.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Castejón–Bilbao railway