Napier Bridge
E504326
Napier Bridge is a historic and iconic road bridge in Chennai, India, known for its distinctive white arches and for connecting key parts of the city across the Cooum River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Napier Bridge canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3545023 — 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: Napier Bridge Context triple: [Cooum River, crossesInfrastructure, Napier Bridge]
-
A.
Perth Bridge
Perth Bridge is a historic stone road bridge spanning the River Tay in Perth, Scotland, known for its multiple arches and 18th-century construction.
-
B.
Bowen Bridge
Bowen Bridge is a major concrete highway bridge in Hobart, Tasmania, carrying traffic across the Derwent River as part of the city’s northern transport corridor.
-
C.
Princes Bridge
Princes Bridge is a historic road and tram bridge in central Melbourne, Australia, linking the city centre with Southbank across the Yarra River.
-
D.
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.
-
E.
Trinity Bridge
Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
- 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: Napier Bridge Target entity description: Napier Bridge is a historic and iconic road bridge in Chennai, India, known for its distinctive white arches and for connecting key parts of the city across the Cooum River.
-
A.
Perth Bridge
Perth Bridge is a historic stone road bridge spanning the River Tay in Perth, Scotland, known for its multiple arches and 18th-century construction.
-
B.
Bowen Bridge
Bowen Bridge is a major concrete highway bridge in Hobart, Tasmania, carrying traffic across the Derwent River as part of the city’s northern transport corridor.
-
C.
Princes Bridge
Princes Bridge is a historic road and tram bridge in central Melbourne, Australia, linking the city centre with Southbank across the Yarra River.
-
D.
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.
-
E.
Trinity Bridge
Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
landmark ⓘ |
| color | white ⓘ |
| connects |
Fort St. George area
ⓘ
linked to:
Fort St. George
Marina Beach area ⓘ
linked to:
Marina Beach
northern and southern parts of central Chennai ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| crosses |
Cooum River
ⓘ
River Cooum ⓘ |
| function | carries road traffic ⓘ |
| hasDesignFeature |
decorative lighting
ⓘ
parapet walls ⓘ series of arches ⓘ |
| heritageStatus | historic bridge of Chennai ⓘ |
| knownFor |
being a popular photography spot
ⓘ
distinctive white arches ⓘ historic significance ⓘ iconic appearance ⓘ night illumination ⓘ |
| lighting | equipped with street lights ⓘ |
| locatedIn |
Chennai
ⓘ
Tamil Nadu ⓘ |
| maintenanceBy | local civic authorities of Chennai ⓘ |
| material | concrete ⓘ |
| partOf |
Chennai road network
ⓘ
linked to:
Chennai–Kolkata highway corridor
|
| photographySubject | frequently used in films and media ⓘ |
| region | South India ⓘ |
| riverBankConnection |
north bank of Cooum River
ⓘ
south bank of Cooum River ⓘ |
| roadTypeCarried | urban arterial road ⓘ |
| safetyFeature |
guard rails
ⓘ
sidewalks for pedestrians ⓘ |
| state | Tamil Nadu ⓘ |
| tourismAttraction | yes ⓘ |
| transportRole | key connector in Chennai’s east–west traffic ⓘ |
| usedFor |
pedestrian movement
ⓘ
vehicular traffic ⓘ |
| visibility | prominent in Chennai cityscape ⓘ |
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: Napier Bridge Description of subject: Napier Bridge is a historic and iconic road bridge in Chennai, India, known for its distinctive white arches and for connecting key parts of the city across the Cooum River.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.