A420 road
E548817
The A420 road is a major route in southern England linking Bristol and Oxford, passing through towns such as Chippenham and Swindon.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A420 road canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T2115246 — 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: A420 road Context triple: [A34 road, hasJunctionWith, A420 road]
-
A.
A4120 road
The A4120 road is a primary route in Ceredigion, Wales, linking the coastal town of Aberystwyth with the A44 and serving as an important connection through the Cambrian Mountains.
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B.
A240 road
The A240 road is a primary route in southwest London and Surrey that connects Kingston upon Thames with Epsom, passing through areas such as Ewell.
-
C.
A243 road
The A243 road is a key route in Surrey, England, connecting the town of Leatherhead with nearby areas and linking to major roads such as the M25 and A24.
-
D.
A245 road
The A245 road is a short A-class route in Surrey, England, linking the town of Byfleet with nearby settlements and major roads in the local network.
-
E.
A244 road
The A244 road is a primary route in Surrey, England, connecting towns such as Esher with nearby communities and major roads.
- 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: A420 road Target entity description: The A420 road is a major route in southern England linking Bristol and Oxford, passing through towns such as Chippenham and Swindon.
-
A.
A4120 road
The A4120 road is a primary route in Ceredigion, Wales, linking the coastal town of Aberystwyth with the A44 and serving as an important connection through the Cambrian Mountains.
-
B.
A240 road
The A240 road is a primary route in southwest London and Surrey that connects Kingston upon Thames with Epsom, passing through areas such as Ewell.
-
C.
A243 road
The A243 road is a key route in Surrey, England, connecting the town of Leatherhead with nearby areas and linking to major roads such as the M25 and A24.
-
D.
A245 road
The A245 road is a short A-class route in Surrey, England, linking the town of Byfleet with nearby settlements and major roads in the local network.
-
E.
A244 road
The A244 road is a primary route in Surrey, England, connecting towns such as Esher with nearby communities and major roads.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
A road in Great Britain
ⓘ
road ⓘ |
| connects |
Bristol
ⓘ
Oxford ⓘ |
| country | England ⓘ |
| easternTerminus | Oxford ⓘ |
| hasJunctionWith |
A34 road
ⓘ
A4 road ⓘ A419 road ⓘ A46 road ⓘ |
| hasRoadType |
non-primary A road (in parts)
ⓘ
primary route (in parts) ⓘ |
| locatedIn | southern England ⓘ |
| maintainedBy | local highway authorities in England ⓘ |
| partOf | Great Britain road network ⓘ |
| passesNear |
A34 road
ⓘ
M4 motorway ⓘ |
| passesThrough |
Chippenham
ⓘ
Oxfordshire ⓘ South Gloucestershire ⓘ Swindon ⓘ Wiltshire ⓘ |
| region |
South East England
ⓘ
South West England ⓘ
linked to:
southwest England
|
| roadNumber | A420 ⓘ |
| traverses |
rural areas of Oxfordshire
ⓘ
rural areas of Wiltshire ⓘ |
| usedFor |
local traffic between intermediate towns
ⓘ
long-distance traffic between Bristol and Oxford ⓘ |
| westernTerminus | Bristol ⓘ |
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: A420 road Description of subject: The A420 road is a major route in southern England linking Bristol and Oxford, passing through towns such as Chippenham and Swindon.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.