Maria Pia Bridge
E75438
Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Maria Pia Bridge canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T399802 — 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: Maria Pia Bridge Context triple: [Gustave Eiffel, designed, Maria Pia Bridge]
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A.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
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B.
Ioannovsky Bridge
Ioannovsky Bridge is a historic pedestrian bridge in Saint Petersburg, Russia, serving as one of the main access routes to the Peter and Paul Fortress across the Kronverksky Strait.
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C.
25 de Abril Bridge
The 25 de Abril Bridge is a large suspension bridge in Lisbon, Portugal, often compared to San Francisco’s Golden Gate Bridge for its similar appearance and iconic status.
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D.
Anichkov Bridge
Anichkov Bridge is a historic and architecturally notable bridge in Saint Petersburg, Russia, famed for its distinctive horseman statues and its prominent location on the Fontanka River.
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E.
Vasco da Gama Bridge
The Vasco da Gama Bridge is a modern cable-stayed bridge in Lisbon, Portugal, and one of the longest bridges in Europe, spanning the Tagus River.
- 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: Maria Pia Bridge Target entity description: Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
-
A.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
-
B.
Ioannovsky Bridge
Ioannovsky Bridge is a historic pedestrian bridge in Saint Petersburg, Russia, serving as one of the main access routes to the Peter and Paul Fortress across the Kronverksky Strait.
-
C.
25 de Abril Bridge
The 25 de Abril Bridge is a large suspension bridge in Lisbon, Portugal, often compared to San Francisco’s Golden Gate Bridge for its similar appearance and iconic status.
-
D.
Anichkov Bridge
Anichkov Bridge is a historic and architecturally notable bridge in Saint Petersburg, Russia, famed for its distinctive horseman statues and its prominent location on the Fontanka River.
-
E.
Vasco da Gama Bridge
The Vasco da Gama Bridge is a modern cable-stayed bridge in Lisbon, Portugal, and one of the longest bridges in Europe, spanning the Tagus River.
- F. None of above. chosen
Statements (46)
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: Maria Pia Bridge Description of subject: Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.