Martham Broad
E637818
Martham Broad is a shallow freshwater lake and nature reserve in the Norfolk Broads of England, noted for its rich wetland wildlife and traditional Broadland landscapes.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Martham Broad canonical | 5 |
| Martham Broad and Marshes | 1 |
| Martham Broad via River Thurne | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6922563 — 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: Martham Broad Context triple: [Norfolk Broads National Park, contains, Martham Broad]
-
A.
Oulton Broad
Oulton Broad is a large inland lake and popular boating and watersports destination on the edge of Lowestoft in Suffolk, England, forming part of the Broads National Park.
-
B.
Wroxham Broad
Wroxham Broad is a popular, scenic boating and wildlife area on the River Bure in the Norfolk Broads of eastern England.
-
C.
Cley Marshes
Cley Marshes is a renowned coastal nature reserve in Norfolk, England, famous for its rich birdlife and extensive wetland habitats.
-
D.
Ditton Marsh
Ditton Marsh was the original name of what is now Esher railway station in Surrey, England, serving the local Ditton area.
-
E.
Oxwich Marsh
Oxwich Marsh is a large, wildlife-rich wetland and nature reserve behind Oxwich Bay on the Gower Peninsula in South Wales, known for its diverse habitats and birdlife.
- 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: Martham Broad Target entity description: Martham Broad is a shallow freshwater lake and nature reserve in the Norfolk Broads of England, noted for its rich wetland wildlife and traditional Broadland landscapes.
-
A.
Oulton Broad
Oulton Broad is a large inland lake and popular boating and watersports destination on the edge of Lowestoft in Suffolk, England, forming part of the Broads National Park.
-
B.
Wroxham Broad
Wroxham Broad is a popular, scenic boating and wildlife area on the River Bure in the Norfolk Broads of eastern England.
-
C.
Cley Marshes
Cley Marshes is a renowned coastal nature reserve in Norfolk, England, famous for its rich birdlife and extensive wetland habitats.
-
D.
Ditton Marsh
Ditton Marsh was the original name of what is now Esher railway station in Surrey, England, serving the local Ditton area.
-
E.
Oxwich Marsh
Oxwich Marsh is a large, wildlife-rich wetland and nature reserve behind Oxwich Bay on the Gower Peninsula in South Wales, known for its diverse habitats and birdlife.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
nature reserve ⓘ wetland ⓘ |
| country | England ⓘ |
| hasConservationStatus | nature reserve ⓘ |
| hasDepth | shallow ⓘ |
| hasEcosystemType | wetland ⓘ |
| hasFeature |
aquatic vegetation
ⓘ
waterfowl habitat ⓘ wetland flora ⓘ |
| hasHabitat |
fen
ⓘ
grazing marsh ⓘ open water ⓘ reedbed ⓘ |
| hasLandscapeType | Broadland landscape ⓘ |
| hasProtectionReason | biodiversity conservation ⓘ |
| hasWaterType | freshwater ⓘ |
| knownFor |
rich wetland wildlife
ⓘ
traditional Broadland landscapes ⓘ |
| locatedIn |
East of England
ⓘ
Norfolk ⓘ Norfolk Broads ⓘ
linked to:
The Broads
|
| locatedNear | Martham ⓘ |
| partOf | The Broads ⓘ |
| usedFor |
angling
ⓘ
birdwatching ⓘ boating ⓘ |
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: Martham Broad Description of subject: Martham Broad is a shallow freshwater lake and nature reserve in the Norfolk Broads of England, noted for its rich wetland wildlife and traditional Broadland landscapes.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Martham Broad
linked to: Martham Broad