Greystone Bridge
E525917
Greystone Bridge is a historic stone road bridge in southwest England that carries traffic across the River Tamar between Devon and Cornwall.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Greystone Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3270647 — 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: Greystone Bridge Context triple: [River Tamar, crossedBy, Greystone Bridge]
-
A.
Jones Bridge
Jones Bridge is a historic neoclassical bridge in Manila, Philippines, known for connecting key districts across the Pasig River and serving as an iconic city landmark.
-
B.
Tudor City Bridge
Tudor City Bridge is an elevated pedestrian overpass in Midtown Manhattan that connects the Tudor City residential complex to the surrounding streets and offers notable views over 42nd Street and the East River.
-
C.
Liberty Bridge
Liberty Bridge is a distinctive pedestrian suspension bridge in downtown Greenville, South Carolina, renowned for its curved design and views over Falls Park on the Reedy.
-
D.
Liberty Bridge
Liberty Bridge is a major steel cantilever bridge in Pittsburgh, Pennsylvania, carrying vehicular traffic between downtown and the city's South Hills across the Monongahela River.
-
E.
Hawthorne Bridge
Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
- 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: Greystone Bridge Target entity description: Greystone Bridge is a historic stone road bridge in southwest England that carries traffic across the River Tamar between Devon and Cornwall.
-
A.
Jones Bridge
Jones Bridge is a historic neoclassical bridge in Manila, Philippines, known for connecting key districts across the Pasig River and serving as an iconic city landmark.
-
B.
Tudor City Bridge
Tudor City Bridge is an elevated pedestrian overpass in Midtown Manhattan that connects the Tudor City residential complex to the surrounding streets and offers notable views over 42nd Street and the East River.
-
C.
Liberty Bridge
Liberty Bridge is a distinctive pedestrian suspension bridge in downtown Greenville, South Carolina, renowned for its curved design and views over Falls Park on the Reedy.
-
D.
Liberty Bridge
Liberty Bridge is a major steel cantilever bridge in Pittsburgh, Pennsylvania, carrying vehicular traffic between downtown and the city's South Hills across the Monongahela River.
-
E.
Hawthorne Bridge
Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
historic building
ⓘ
road bridge ⓘ stone bridge ⓘ |
| builtInCentury | 15th century ⓘ |
| carries | road traffic ⓘ |
| completedIn | 1439 ⓘ |
| connects |
Cornwall
ⓘ
Devon ⓘ |
| county |
Cornwall
ⓘ
Devon ⓘ |
| crosses | River Tamar ⓘ |
| crossesBorderBetween |
Devon and Cornwall
ⓘ
linked to:
Devon
|
| crossesNear | Launceston ⓘ |
| hasArchType | stone arch ⓘ |
| hasNumberOfSpans | 5 ⓘ |
| hasStructureType | arched bridge ⓘ |
| hasUse |
pedestrian traffic
ⓘ
vehicular traffic ⓘ |
| heritageDesignationDate | 21 March 1960 ⓘ |
| heritageStatus | Grade I listed building ⓘ |
| listedBy | Historic England ⓘ |
| locatedIn |
England
ⓘ
South West England ⓘ
linked to:
southwest England
United Kingdom ⓘ |
| material | stone ⓘ |
| parish |
Lawhitton
ⓘ
Lezant ⓘ |
| roadCarried | B3362 ⓘ |
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: Greystone Bridge Description of subject: Greystone Bridge is a historic stone road bridge in southwest England that carries traffic across the River Tamar between Devon and Cornwall.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.