Bosporus Bridge
E35411
The Bosporus Bridge is a major suspension bridge in Istanbul that spans the Bosporus Strait, connecting the European and Asian sides of the city.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Bosporus Bridge canonical | 9 |
| Fatih Sultan Mehmet Bridge | 8 |
| Bosphorus Bridge | 5 |
| Boğaziçi Köprüsü | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T235988 — 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: Bosporus Bridge Context triple: [Istanbul, hasLandmark, Bosporus Bridge]
-
A.
Crimean Bridge
The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
-
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.
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.
-
D.
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.
-
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: Bosporus Bridge Target entity description: The Bosporus Bridge is a major suspension bridge in Istanbul that spans the Bosporus Strait, connecting the European and Asian sides of the city.
-
A.
Crimean Bridge
The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
-
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.
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.
-
D.
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.
-
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 |
bridge over the Bosporus
ⓘ
landmark ⓘ road bridge ⓘ suspension bridge ⓘ toll bridge ⓘ |
| carries |
European route E80
ⓘ
O-1 motorway ⓘ motor vehicles ⓘ |
| city | Istanbul ⓘ |
| clearanceBelow | 64 m ⓘ |
| connects |
Asia
ⓘ
Asian side of Istanbul ⓘ Europe ⓘ European side of Istanbul ⓘ |
| connectsDistrict |
Beylerbeyi
ⓘ
Ortaköy ⓘ |
| constructionStartYear | 1970 ⓘ |
| country | Turkey ⓘ |
| crosses |
Bosporus
ⓘ
surface form:
Bosporus Strait
|
| design | suspension ⓘ |
| designer | William Brown ⓘ |
| engineer | Freeman Fox & Partners ⓘ |
| followedBy |
Bosporus Bridge
self-linksurface differs
ⓘ
surface form:
Fatih Sultan Mehmet Bridge
Yavuz Sultan Selim Bridge ⓘ |
| formerName | Bosporus Bridge self-link ⓘ |
| hasHeritageStatus | important cultural landmark of Istanbul ⓘ |
| hasNumberOfDecks | 1 ⓘ |
| hasToll | yes ⓘ |
| isOneOf | three suspension bridges over the Bosporus in Istanbul ⓘ |
| lightingFeature | decorative illumination at night ⓘ |
| locatedInBodyOfWaterRegion |
Turkish Straits system
ⓘ
surface form:
Turkish Straits
|
| location | Istanbul ⓘ |
| mainSpanLength | 1074 m ⓘ |
| maintainedBy | General Directorate of Highways of Turkey ⓘ |
| material | steel ⓘ |
| nativeName |
Bosporus Bridge
self-linksurface differs
ⓘ
surface form:
Boğaziçi Köprüsü
|
| numberOfLanes | 8 ⓘ |
| officialName | 15 July Martyrs Bridge ⓘ |
| openedInYear | 1973 ⓘ |
| openedOnOccasionOf | 50th anniversary of the Republic of Turkey ⓘ |
| openingDate | 1973-10-30 ⓘ |
| partOf | Istanbul road network ⓘ |
| precededBy | none as first Bosporus road bridge ⓘ |
| symbolOf |
connection between Europe and Asia
ⓘ
modern Istanbul ⓘ |
| tollDirection | Asian to European ⓘ |
| totalLength | 1560 m ⓘ |
| towerHeight | 165 m ⓘ |
| width | 33.4 m ⓘ |
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: Bosporus Bridge Description of subject: The Bosporus Bridge is a major suspension bridge in Istanbul that spans the Bosporus Strait, connecting the European and Asian sides of the city.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fatih Sultan Mehmet Bridge
this entity surface form:
Boğaziçi Köprüsü
this entity surface form:
Fatih Sultan Mehmet Bridge
this entity surface form:
Fatih Sultan Mehmet Bridge
this entity surface form:
Fatih Sultan Mehmet Bridge
this entity surface form:
Bosphorus Bridge
this entity surface form:
Fatih Sultan Mehmet Bridge
this entity surface form:
Fatih Sultan Mehmet Bridge
this entity surface form:
Bosphorus Bridge
this entity surface form:
Bosphorus Bridge
this entity surface form:
Fatih Sultan Mehmet Bridge