Demerara Harbour Bridge
E615774
Demerara Harbour Bridge is a major floating toll bridge in Guyana that spans the Demerara River, serving as a key transportation link near the capital, Georgetown.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Demerara Harbour Bridge canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6747998 — 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: Demerara Harbour Bridge Context triple: [Georgetown, hasLandmark, Demerara Harbour Bridge]
-
A.
Blannerhassett Island Bridge
Blannerhassett Island Bridge is a cable-stayed highway bridge over the Ohio River that carries U.S. Route 50 near Parkersburg, West Virginia, providing access to Blennerhassett Island and connecting West Virginia with Ohio.
-
B.
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.
-
C.
Horace Wilkinson Bridge
The Horace Wilkinson Bridge is a major Mississippi River crossing in Baton Rouge, Louisiana, carrying Interstate 10 and serving as a key transportation link in the region.
-
D.
Darlington Point Bridge
Darlington Point Bridge is a road bridge in New South Wales, Australia, that carries traffic across the Murrumbidgee River near the town of Darlington Point.
-
E.
Harbour Island Bridge
Harbour Island Bridge is a vehicular and pedestrian bridge in Tampa, Florida, connecting downtown across the Garrison Channel to Harbour Island.
- 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: Demerara Harbour Bridge Target entity description: Demerara Harbour Bridge is a major floating toll bridge in Guyana that spans the Demerara River, serving as a key transportation link near the capital, Georgetown.
-
A.
Blannerhassett Island Bridge
Blannerhassett Island Bridge is a cable-stayed highway bridge over the Ohio River that carries U.S. Route 50 near Parkersburg, West Virginia, providing access to Blennerhassett Island and connecting West Virginia with Ohio.
-
B.
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.
-
C.
Horace Wilkinson Bridge
The Horace Wilkinson Bridge is a major Mississippi River crossing in Baton Rouge, Louisiana, carrying Interstate 10 and serving as a key transportation link in the region.
-
D.
Darlington Point Bridge
Darlington Point Bridge is a road bridge in New South Wales, Australia, that carries traffic across the Murrumbidgee River near the town of Darlington Point.
-
E.
Harbour Island Bridge
Harbour Island Bridge is a vehicular and pedestrian bridge in Tampa, Florida, connecting downtown across the Garrison Channel to Harbour Island.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
floating bridge
ⓘ
road bridge ⓘ toll bridge ⓘ |
| allows | river navigation via retraction ⓘ |
| connects |
Georgetown, Guyana
NERFINISHED
ⓘ
West Demerara NERFINISHED ⓘ |
| connectsRegion |
East Demerara
NERFINISHED
ⓘ
West Demerara NERFINISHED ⓘ |
| constructionStartDate | 1976 ⓘ |
| continent | South America ⓘ |
| country | Guyana NERFINISHED ⓘ |
| crosses | Demerara River NERFINISHED ⓘ |
| design | pontoon bridge ⓘ |
| hasAlternativeName | Demerara Harbour Bridge (DHB) NERFINISHED ⓘ |
| hasFeature |
floating pontoons
ⓘ
pedestrian walkway ⓘ retractable span ⓘ |
| hasMovableSection | yes ⓘ |
| hasToll | yes ⓘ |
| hasType | floating toll bridge ⓘ |
| length |
about 1.13 miles
ⓘ
about 1.8 kilometres ⓘ |
| locatedIn | Demerara-Mahaica Region NERFINISHED ⓘ |
| locatedNear | Georgetown, Guyana NERFINISHED ⓘ |
| locatedOnWaterbody | Demerara River NERFINISHED ⓘ |
| maintainedBy | Demerara Harbour Bridge Corporation NERFINISHED ⓘ |
| material | steel ⓘ |
| nearbyCity | Georgetown, Guyana NERFINISHED ⓘ |
| notableFor | being one of the longest floating bridges in the world at time of opening ⓘ |
| numberOfLanes | 2 ⓘ |
| opened | 1978 ⓘ |
| openingDate | 1978-07-02 ⓘ |
| operator | Demerara Harbour Bridge Corporation NERFINISHED ⓘ |
| owner | Demerara Harbour Bridge Corporation NERFINISHED ⓘ |
| purpose | road transport ⓘ |
| regionServed | Essequibo Islands-West Demerara NERFINISHED ⓘ |
| serves |
East Bank Demerara
NERFINISHED
ⓘ
West Bank Demerara NERFINISHED ⓘ |
| significance | major transportation link across Demerara River ⓘ |
| status | in use ⓘ |
| tollFor | vehicles ⓘ |
| traffic | motor vehicles ⓘ |
| urbanAreaServed | Georgetown metropolitan area NERFINISHED ⓘ |
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: Demerara Harbour Bridge Description of subject: Demerara Harbour Bridge is a major floating toll bridge in Guyana that spans the Demerara River, serving as a key transportation link near the capital, Georgetown.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.