Tower Bridge
E35511
Tower Bridge is a combined bascule and suspension bridge over the River Thames in London, renowned for its twin Gothic-style towers and status as one of the city's most famous landmarks.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Tower Bridge canonical | 29 |
| Tower Bridge, London | 2 |
| Millennium Bridge | 1 |
| Tower Bridge Exhibition | 1 |
| Tower Bridge over the River Thames | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T90510 — 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: Tower Bridge Context triple: [London, hasIconicStructure, Tower Bridge]
-
A.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
-
B.
Adelphi Footbridge
Adelphi Footbridge is a pedestrian bridge spanning the River Irwell in Salford, England, providing a crossing between key areas of the city.
-
C.
Admiralty Arch
Admiralty Arch is a grand ceremonial gateway in London that links The Mall to Trafalgar Square and serves as an iconic example of Edwardian Baroque architecture.
-
D.
Forth Bridge
The Forth Bridge is a historic cantilever railway bridge in Scotland, renowned as an iconic feat of Victorian engineering and a UNESCO World Heritage Site.
-
E.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
- 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: Tower Bridge Target entity description: Tower Bridge is a combined bascule and suspension bridge over the River Thames in London, renowned for its twin Gothic-style towers and status as one of the city's most famous landmarks.
-
A.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
-
B.
Adelphi Footbridge
Adelphi Footbridge is a pedestrian bridge spanning the River Irwell in Salford, England, providing a crossing between key areas of the city.
-
C.
Admiralty Arch
Admiralty Arch is a grand ceremonial gateway in London that links The Mall to Trafalgar Square and serves as an iconic example of Edwardian Baroque architecture.
-
D.
Forth Bridge
The Forth Bridge is a historic cantilever railway bridge in Scotland, renowned as an iconic feat of Victorian engineering and a UNESCO World Heritage Site.
-
E.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bascule bridge
ⓘ
landmark ⓘ road bridge ⓘ suspension bridge ⓘ tourist attraction ⓘ |
| alsoKnownAs |
Tower Bridge
ⓘ
surface form:
Tower Bridge, London
|
| architecturalStyle | Gothic Revival ⓘ |
| basculeOperation | hydraulic system ⓘ |
| category | Bridges completed in 1894 ⓘ |
| cityLandmarkOf |
London, England
ⓘ
surface form:
London
|
| cladWith |
Cornish granite
ⓘ
Portland stone ⓘ |
| clearanceBelow | about 8.6 metres at high tide ⓘ |
| completionDate | 1894 ⓘ |
| connects |
Southwark
ⓘ
London Borough of Tower Hamlets ⓘ
surface form:
Tower Hamlets
|
| constructionStartDate | 1886 ⓘ |
| contains | glass-floored walkways ⓘ |
| country | United Kingdom ⓘ |
| crosses |
Thames
ⓘ
surface form:
River Thames
|
| designer | Horace Jones ⓘ |
| engineer | John Wolfe Barry ⓘ |
| featuredIn |
numerous films
ⓘ
television programmes ⓘ |
| hasExhibition |
Tower Bridge
self-linksurface differs
ⓘ
surface form:
Tower Bridge Exhibition
|
| hasFeature |
bascule leaves
ⓘ
high-level walkways ⓘ suspension sections ⓘ twin towers ⓘ |
| hasTraffic |
motor vehicles
ⓘ
pedestrians ⓘ |
| heritageStatus | Grade I listed building ⓘ |
| length | about 244 metres ⓘ |
| locatedIn |
Southwark
ⓘ
surface form:
London Borough of Southwark
London Borough of Tower Hamlets ⓘ |
| location |
London, England
ⓘ
surface form:
London
|
| mainSpanLength | about 61 metres ⓘ |
| maintainedBy | Bridge House Estates ⓘ |
| material | steel ⓘ |
| near | Tower of London ⓘ |
| openedBy |
Alexandra of Denmark
ⓘ
Edward VII ⓘ |
| openingDate | 1894 ⓘ |
| ownedBy |
Corporation of London
ⓘ
surface form:
City of London Corporation
|
| powerSourceCurrent | electric motors ⓘ |
| powerSourceOriginal | steam engines ⓘ |
| touristVisitsPerYear | over 500,000 visitors ⓘ |
| towerHeight | about 65 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: Tower Bridge Description of subject: Tower Bridge is a combined bascule and suspension bridge over the River Thames in London, renowned for its twin Gothic-style towers and status as one of the city's most famous landmarks.
Referenced by (34)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
London
this entity surface form:
Tower Bridge Exhibition
this entity surface form:
Tower Bridge, London
subject surface form:
City Hall (London)
this entity surface form:
Tower Bridge over the River Thames
subject surface form:
John Wolfe Barry
this entity surface form:
Tower Bridge, London