Ordnance Survey National Grid (approximate)
E129089
The Ordnance Survey National Grid (approximate) is a British mapping reference system that provides standardized grid-based location coordinates across Great Britain.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ordnance Survey National Grid (approximate) canonical | 9 |
| Ordnance Survey National Grid (approximate mapping) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1118138 — 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: Ordnance Survey National Grid (approximate) Context triple: [Free School Lane, Cambridge, hasCoordinateSystem, Ordnance Survey National Grid (approximate)]
-
A.
Curbridge
Curbridge is a small rural village in Oxfordshire, England, situated within the district of West Oxfordshire.
-
B.
Bagshot Heath
Bagshot Heath is an extensive area of heathland in Surrey, England, known for its open, sandy terrain, wildlife habitats, and use for military training and outdoor recreation.
-
C.
Gowland
Gowland is the middle name of Frederick Gowland Hopkins, the English biochemist and Nobel laureate known for his work on vitamins and essential nutrients.
-
D.
Newlands Corner
Newlands Corner is a popular scenic viewpoint and countryside recreation area in the Surrey Hills of England, known for its sweeping views, walking trails, and woodlands.
-
E.
LGV Nord
LGV Nord is a high-speed railway line in northern France that connects Paris to Lille and onward to Belgium and the Channel Tunnel, forming a key corridor for TGV and international services.
- 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: Ordnance Survey National Grid (approximate) Target entity description: The Ordnance Survey National Grid (approximate) is a British mapping reference system that provides standardized grid-based location coordinates across Great Britain.
-
A.
Reigate Heath
Reigate Heath is a historic heathland and common near Reigate in Surrey, England, known for its open countryside, golf course, and preserved windmill.
-
B.
Curbridge
Curbridge is a small rural village in Oxfordshire, England, situated within the district of West Oxfordshire.
-
C.
Bagshot Heath
Bagshot Heath is an extensive area of heathland in Surrey, England, known for its open, sandy terrain, wildlife habitats, and use for military training and outdoor recreation.
-
D.
Gowland
Gowland is the middle name of Frederick Gowland Hopkins, the English biochemist and Nobel laureate known for his work on vitamins and essential nutrients.
-
E.
Newlands Corner
Newlands Corner is a popular scenic viewpoint and countryside recreation area in the Surrey Hills of England, known for its sweeping views, walking trails, and woodlands.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geodetic coordinate system
ⓘ
map grid reference system ⓘ |
| approximateEquivalent | British National Grid ⓘ |
| basedOnEllipsoid | Airy 1830 ellipsoid ⓘ |
| coordinateAxis |
easting
ⓘ
northing ⓘ |
| coordinateFormat |
alphanumeric grid reference
ⓘ
eastings and northings ⓘ |
| coordinateSystemType | projected coordinate system ⓘ |
| country | Great Britain ⓘ |
| covers |
Anglesey
ⓘ
Isle of Wight ⓘ Scottish islands ⓘ mainland Great Britain ⓘ |
| datum | OSGB36 ⓘ |
| excludes |
Channel Islands
ⓘ
linked to:
Channel Islands (crown dependencies)
Isle of Man ⓘ
linked to:
Isle of Man (crown dependency)
Northern Ireland ⓘ |
| gridSquareSize |
1 km
ⓘ
1 m ⓘ 10 km ⓘ 10 m ⓘ 100 km ⓘ 100 m ⓘ |
| hasAbbreviation |
OS National Grid
ⓘ
OSGB grid ⓘ |
| hasFeature |
false origin southwest of Isles of Scilly
ⓘ
numeric eastings and northings within grid squares ⓘ two-letter 100 km grid square identifiers ⓘ |
| hasUnit | metre ⓘ |
| implementedIn |
Ordnance Survey digital mapping products
ⓘ
linked to:
Ordnance Survey
Ordnance Survey paper maps ⓘ |
| managedBy | Ordnance Survey ⓘ |
| morePreciseThan | traditional place-name referencing ⓘ |
| operator | Ordnance Survey ⓘ |
| primaryUse |
land navigation
ⓘ
surveying ⓘ topographic mapping ⓘ |
| projection | Transverse Mercator projection ⓘ |
| referenceMeridian |
Greenwich meridian
ⓘ
linked to:
Prime Meridian
|
| region | United Kingdom ⓘ |
| usedBy |
cartographers
ⓘ
emergency services ⓘ hikers ⓘ surveyors ⓘ |
| usedIn |
England
ⓘ
Scotland ⓘ Wales ⓘ |
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: Ordnance Survey National Grid (approximate) Description of subject: The Ordnance Survey National Grid (approximate) is a British mapping reference system that provides standardized grid-based location coordinates across Great Britain.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
Bridgewater Canal and Rochdale Canal junction
→
coordinateSystem
→
Ordnance Survey National Grid (approximate)
ⓘ
linked to: Ordnance Survey National Grid (approximate)