Rio–Antirrio Bridge
E397464
The Rio–Antirrio Bridge is a landmark multi-span cable-stayed bridge in western Greece that dramatically links the Peloponnese peninsula with mainland Central Greece.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rio–Antirrio Bridge canonical | 6 |
| Charilaos Trikoupis Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3891952 — 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: Rio–Antirrio Bridge Context triple: [Gulf of Corinth, hasMajorBridge, Rio–Antirrio Bridge]
-
A.
Maria Pia Bridge
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.
-
B.
La Salve Bridge
La Salve Bridge is a prominent road bridge in Bilbao, Spain, best known for its striking integration into the design of the nearby Guggenheim Museum Bilbao and its distinctive red architectural arch.
-
C.
Strait of Messina Bridge
The Strait of Messina Bridge is a long-proposed megaproject to construct one of the world’s longest suspension bridges, intended to connect mainland Italy with the island of Sicily across the Strait of Messina.
-
D.
Alamillo Bridge
The Alamillo Bridge is a striking cable-stayed bridge in Seville, Spain, renowned for its dramatic single pylon and sculptural, minimalist design by architect-engineer Santiago Calatrava.
-
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: Rio–Antirrio Bridge Target entity description: The Rio–Antirrio Bridge is a landmark multi-span cable-stayed bridge in western Greece that dramatically links the Peloponnese peninsula with mainland Central Greece.
-
A.
Maria Pia Bridge
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.
-
B.
La Salve Bridge
La Salve Bridge is a prominent road bridge in Bilbao, Spain, best known for its striking integration into the design of the nearby Guggenheim Museum Bilbao and its distinctive red architectural arch.
-
C.
Strait of Messina Bridge
The Strait of Messina Bridge is a long-proposed megaproject to construct one of the world’s longest suspension bridges, intended to connect mainland Italy with the island of Sicily across the Strait of Messina.
-
D.
Alamillo Bridge
The Alamillo Bridge is a striking cable-stayed bridge in Seville, Spain, renowned for its dramatic single pylon and sculptural, minimalist design by architect-engineer Santiago Calatrava.
-
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 (49)
| Predicate | Object |
|---|---|
| instanceOf |
cable-stayed bridge
ⓘ
landmark ⓘ multi-span bridge ⓘ road bridge ⓘ |
| carries |
European route E55
ⓘ
Motorway 5 (A5) ⓘ |
| category |
Bridges in Greece
ⓘ
Cable-stayed bridges in Greece ⓘ |
| concessionaire | Gefyra S.A. ⓘ |
| connects |
Antirrio
ⓘ
central Greece ⓘ
surface form:
Central Greece
Peloponnese ⓘ Rio ⓘ |
| constructedBy | Gefyra S.A. ⓘ |
| constructionEnd | 2004 ⓘ |
| constructionStart | 1998 ⓘ |
| country | Greece ⓘ |
| crosses | Gulf of Corinth ⓘ |
| design | cable-stayed ⓘ |
| designer |
Bureau d’études Greisch
ⓘ
Jean-François Klein NERFINISHED ⓘ |
| hasFeature |
central reservation
ⓘ
pedestrian walkway ⓘ |
| locale |
Antirrio, Aetolia-Acarnania
ⓘ
Rio, Achaea ⓘ |
| locatedIn | western Greece ⓘ |
| locatedOn |
Rio–Antirrio Strait
ⓘ
surface form:
Strait of Rio–Antirrio
|
| mainContractor |
Vinci Construction
ⓘ
surface form:
VINCI Construction
|
| mainSpanLength | approximately 560 metres ⓘ |
| material |
reinforced concrete
ⓘ
steel ⓘ |
| namedAfter | Charilaos Trikoupis ⓘ |
| nearCity | Patras ⓘ |
| notableFor |
crossing a seismically active strait
ⓘ
deep-water foundations ⓘ seismic-resistant design ⓘ |
| numberOfLanes | 2 lanes per direction ⓘ |
| numberOfPylons | 4 ⓘ |
| numberOfSpans | 4 main spans ⓘ |
| officialName |
Rio–Antirrio Bridge
self-linksurface differs
ⓘ
surface form:
Charilaos Trikoupis Bridge
|
| opened | 7 August 2004 ⓘ |
| openingOccasion | 2004 Summer Olympics ⓘ |
| owner |
Greece
ⓘ
surface form:
Hellenic Republic
|
| partOf |
Patras–Athens railway line
ⓘ
surface form:
Patras–Athens–Thessaloniki–Evzonoi corridor
|
| pylonHeight | approximately 164 metres ⓘ |
| region |
central Greece
ⓘ
surface form:
Central Greece
Peloponnese ⓘ |
| toll | yes ⓘ |
| totalLength | approximately 2880 metres ⓘ |
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: Rio–Antirrio Bridge Description of subject: The Rio–Antirrio Bridge is a landmark multi-span cable-stayed bridge in western Greece that dramatically links the Peloponnese peninsula with mainland Central Greece.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Charilaos Trikoupis Bridge