Portholme Meadow
E1003477
Portholme Meadow is a large historic riverside meadow in Cambridgeshire, England, noted for its rich wildlife, traditional grazing, and status as one of the largest lowland meadows in Britain.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portholme Meadow canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12785180 — 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: Portholme Meadow Context triple: [Godmanchester, hasNearbyFeature, Portholme Meadow]
-
A.
Dumsey Meadow
Dumsey Meadow is a riverside meadow and Site of Special Scientific Interest on the River Thames in Surrey, England, valued for its unimproved grassland and wildlife habitat.
-
B.
Lagan Meadows
Lagan Meadows is a riverside nature reserve in Belfast known for its grassland, wetland habitats, and wildlife within the Lagan Valley Regional Park.
-
C.
Runnymede meadow
Runnymede meadow is a historic riverside grassland in Surrey, England, best known as the traditional site where Magna Carta was sealed in 1215.
-
D.
Petersham Meadows
Petersham Meadows is a historic riverside grassland in southwest London, known for its pastoral scenery along the River Thames and protected views toward Richmond Hill.
-
E.
Aylestone Meadows
Aylestone Meadows is a large riverside nature reserve in Leicester, England, known for its wetlands, meadows, and diverse wildlife habitats.
- 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: Portholme Meadow Target entity description: Portholme Meadow is a large historic riverside meadow in Cambridgeshire, England, noted for its rich wildlife, traditional grazing, and status as one of the largest lowland meadows in Britain.
-
A.
Dumsey Meadow
Dumsey Meadow is a riverside meadow and Site of Special Scientific Interest on the River Thames in Surrey, England, valued for its unimproved grassland and wildlife habitat.
-
B.
Lagan Meadows
Lagan Meadows is a riverside nature reserve in Belfast known for its grassland, wetland habitats, and wildlife within the Lagan Valley Regional Park.
-
C.
Runnymede meadow
Runnymede meadow is a historic riverside grassland in Surrey, England, best known as the traditional site where Magna Carta was sealed in 1215.
-
D.
Petersham Meadows
Petersham Meadows is a historic riverside grassland in southwest London, known for its pastoral scenery along the River Thames and protected views toward Richmond Hill.
-
E.
Aylestone Meadows
Aylestone Meadows is a large riverside nature reserve in Leicester, England, known for its wetlands, meadows, and diverse wildlife habitats.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Site of Special Scientific Interest
ⓘ
lowland meadow ⓘ meadow ⓘ nature conservation site ⓘ riverside meadow ⓘ |
| country | England ⓘ |
| hasBiodiversityValue | rich wildlife ⓘ |
| hasConservationInterest | national ⓘ |
| hasFeature |
open meadow landscape
ⓘ
riverside location ⓘ |
| hasGeographicRegion | East of England ⓘ |
| hasHabitatType |
floodplain meadow
ⓘ
unimproved grassland ⓘ |
| hasHeritageStatus | historic meadow ⓘ |
| hasLandUse |
hay meadow
ⓘ
traditional grazing ⓘ |
| hasNameOrigin | Portholme ⓘ |
| hasSoilType | alluvial soils ⓘ |
| hasVegetationType | species-rich grassland ⓘ |
| isAccessibleFrom |
Godmanchester
ⓘ
Huntingdon ⓘ |
| isDesignatedAs | Site of Special Scientific Interest ⓘ |
| isImportantFor |
botanical diversity
ⓘ
breeding birds ⓘ floodplain ecology ⓘ invertebrates ⓘ |
| isManagedBy | traditional agricultural practices ⓘ |
| isOneOf | largest lowland meadows in Britain ⓘ |
| isPartOf |
Ouse Valley floodplain
ⓘ
linked to:
Ouse Valley
|
| isProtectedFor |
traditional land management
ⓘ
wildlife conservation ⓘ |
| isSubjectTo | seasonal flooding ⓘ |
| isUsedFor |
livestock grazing
ⓘ
recreation ⓘ |
| locatedIn |
Cambridgeshire
ⓘ
linked to:
Cambridgeshire, England
Huntingdonshire ⓘ |
| locatedNear |
Godmanchester
ⓘ
Huntingdon ⓘ |
| locatedOnWatercourse | River Great Ouse ⓘ |
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: Portholme Meadow Description of subject: Portholme Meadow is a large historic riverside meadow in Cambridgeshire, England, noted for its rich wildlife, traditional grazing, and status as one of the largest lowland meadows in Britain.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.