Ramal (Ópera–Príncipe Pío)
E533338
Ramal (Ópera–Príncipe Pío) is a short shuttle branch of the Madrid Metro that links the central Ópera station with the Príncipe Pío transport hub.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ramal (Ópera–Príncipe Pío) canonical | 1 |
| Ramal Ópera–Príncipe Pío | 1 |
| Ramal Ópera–Príncipe Pío (Madrid Metro) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5506143 — 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: Ramal (Ópera–Príncipe Pío) Context triple: [Line 3 (Madrid Metro), connectsWithLine, Ramal (Ópera–Príncipe Pío)]
-
A.
San Carlo Theatre
San Carlo Theatre is a historic opera house in Naples, Italy, renowned as one of the oldest and most prestigious continuously active opera venues in the world.
-
B.
Teatro Carlo Felice
Teatro Carlo Felice is the main opera house of Genoa, Italy, renowned for its historic role in the city’s cultural life and its post-war modern reconstruction.
-
C.
Romea Theatre
Romea Theatre is a historic 19th-century performing arts venue and cultural landmark located in the city of Murcia, Spain.
-
D.
Teatro Bibiena
Teatro Bibiena is an 18th-century Baroque-style theater in Mantua, Italy, renowned for its ornate interior and historical performances, including a young Mozart’s concert.
-
E.
Teatro del Estado
Teatro del Estado is a principal performing arts venue in Xalapa, Veracruz, hosting theater, music, dance, and cultural events for the region.
- 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: Ramal (Ópera–Príncipe Pío) Target entity description: Ramal (Ópera–Príncipe Pío) is a short shuttle branch of the Madrid Metro that links the central Ópera station with the Príncipe Pío transport hub.
-
A.
San Carlo Theatre
San Carlo Theatre is a historic opera house in Naples, Italy, renowned as one of the oldest and most prestigious continuously active opera venues in the world.
-
B.
Teatro Carlo Felice
Teatro Carlo Felice is the main opera house of Genoa, Italy, renowned for its historic role in the city’s cultural life and its post-war modern reconstruction.
-
C.
Romea Theatre
Romea Theatre is a historic 19th-century performing arts venue and cultural landmark located in the city of Murcia, Spain.
-
D.
Teatro Bibiena
Teatro Bibiena is an 18th-century Baroque-style theater in Mantua, Italy, renowned for its ornate interior and historical performances, including a young Mozart’s concert.
-
E.
Teatro del Estado
Teatro del Estado is a principal performing arts venue in Xalapa, Veracruz, hosting theater, music, dance, and cultural events for the region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Madrid Metro line
ⓘ
shuttle service ⓘ |
| connectsAtStation |
Príncipe Pío
NERFINISHED
ⓘ
Ópera NERFINISHED ⓘ |
| connectsStation |
Príncipe Pío
NERFINISHED
ⓘ
Ópera NERFINISHED ⓘ |
| connectsToMode |
Cercanías Madrid
NERFINISHED
ⓘ
Madrid city buses at Príncipe Pío ⓘ long-distance trains at Príncipe Pío ⓘ |
| connectsToTransportHub | Príncipe Pío railway station NERFINISHED ⓘ |
| connectsWith |
Line 2 (Madrid Metro)
NERFINISHED
ⓘ
Line 5 (Madrid Metro) NERFINISHED ⓘ Ramal (Ópera–Príncipe Pío) NERFINISHED ⓘ |
| country | Spain ⓘ |
| electrification | overhead catenary ⓘ |
| fareIntegration | integrated in Madrid public transport fare system ⓘ |
| fareZone | A ⓘ |
| hasAccessibilityFeatures |
escalators at stations
ⓘ
lifts at stations ⓘ |
| hasPlatformType | island platforms ⓘ |
| hasStation |
Príncipe Pío
NERFINISHED
ⓘ
Ópera NERFINISHED ⓘ |
| isBranchOf | Madrid Metro central network NERFINISHED ⓘ |
| isUnderground | true ⓘ |
| lineColor | white with black “R” designation ⓘ |
| lineLength | approximately 1.1 km ⓘ |
| locale | Madrid NERFINISHED ⓘ |
| mapDesignation | R ⓘ |
| numberOfStations | 2 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1925 ⓘ |
| operator | Metro de Madrid NERFINISHED ⓘ |
| originalPurpose | link Ópera with Estación del Norte (now Príncipe Pío) ⓘ |
| owner | Consorcio Regional de Transportes de Madrid NERFINISHED ⓘ |
| rollingStockType | Madrid Metro narrow-profile trains ⓘ |
| safetySystem | automatic train protection ⓘ |
| servesArea | central Madrid ⓘ |
| serviceAreaCharacteristic | historic city centre ⓘ |
| serviceFrequency | high frequency urban metro service ⓘ |
| servicePattern | shuttle ⓘ |
| system | Madrid Metro NERFINISHED ⓘ |
| terminusStation |
Príncipe Pío
NERFINISHED
ⓘ
Ópera NERFINISHED ⓘ |
| ticketingSystem | contactless smartcard compatible ⓘ |
| trackGauge | standard gauge ⓘ |
| transportType | rapid transit ⓘ |
| tunnelType | bored tunnel ⓘ |
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: Ramal (Ópera–Príncipe Pío) Description of subject: Ramal (Ópera–Príncipe Pío) is a short shuttle branch of the Madrid Metro that links the central Ópera station with the Príncipe Pío transport hub.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ramal Ópera–Príncipe Pío
this entity surface form:
Ramal Ópera–Príncipe Pío (Madrid Metro)