Line 3 (Madrid Metro)
E144444
Line 3 of the Madrid Metro is a major north–south underground line in Madrid, Spain, connecting key central and residential areas and serving as one of the network’s primary transit corridors.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Line 3 (Madrid Metro) canonical | 9 |
| Madrid Metro Line 3 | 5 |
| Line 3 of Madrid Metro | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1226488 — 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: Line 3 (Madrid Metro) Context triple: [Madrid Metro, hasLine, Line 3 (Madrid Metro)]
-
A.
Line 2 (Madrid Metro)
Line 2 of the Madrid Metro is one of the system’s main urban rapid transit lines, running in an east–west direction through central Madrid and connecting key neighborhoods and transfer stations.
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B.
Madrid Metro
Madrid Metro is the extensive rapid transit system serving Spain’s capital, known for its large network, frequent service, and role as a primary mode of urban transportation.
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C.
Metro Ligero de Madrid
Metro Ligero de Madrid is a light rail system serving several suburban and peripheral areas of Madrid, complementing the city's main metro network.
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D.
Seville Metro
Seville Metro is a rapid transit system serving the city of Seville and its metropolitan area in southern Spain.
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E.
Cercanías Madrid commuter rail
Cercanías Madrid commuter rail is a regional train network that connects Madrid with its surrounding metropolitan and suburban areas, providing frequent and rapid transit for daily commuters.
- 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: Line 3 (Madrid Metro) Target entity description: Line 3 of the Madrid Metro is a major north–south underground line in Madrid, Spain, connecting key central and residential areas and serving as one of the network’s primary transit corridors.
-
A.
Line 2 (Madrid Metro)
Line 2 of the Madrid Metro is one of the system’s main urban rapid transit lines, running in an east–west direction through central Madrid and connecting key neighborhoods and transfer stations.
-
B.
Madrid Metro
Madrid Metro is the extensive rapid transit system serving Spain’s capital, known for its large network, frequent service, and role as a primary mode of urban transportation.
-
C.
Metro Ligero de Madrid
Metro Ligero de Madrid is a light rail system serving several suburban and peripheral areas of Madrid, complementing the city's main metro network.
-
D.
Seville Metro
Seville Metro is a rapid transit system serving the city of Seville and its metropolitan area in southern Spain.
-
E.
Cercanías Madrid commuter rail
Cercanías Madrid commuter rail is a regional train network that connects Madrid with its surrounding metropolitan and suburban areas, providing frequent and rapid transit for daily commuters.
- F. None of above. chosen
Statements (49)
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: Line 3 (Madrid Metro) Description of subject: Line 3 of the Madrid Metro is a major north–south underground line in Madrid, Spain, connecting key central and residential areas and serving as one of the network’s primary transit corridors.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Madrid Metro Line 3
this entity surface form:
Madrid Metro Line 3
this entity surface form:
Madrid Metro Line 3
this entity surface form:
Madrid Metro Line 3
this entity surface form:
Madrid Metro Line 3
subject surface form:
Arganzuela
this entity surface form:
Line 3 of Madrid Metro