A1
E774445
A1 is a major north–south trunk road in England that forms part of the primary route between London and Edinburgh.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A1 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9047939 — 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: A1 Context triple: [Huntingdon to Cambridge section, hasJunctionWith, A1]
-
A.
A1
A1 is the designation of Switzerland’s primary east–west motorway, connecting major cities such as Geneva, Bern, Zurich, and St. Gallen.
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B.
A1
A1 is the primary north–south route along Australia’s east coast, forming part of the country’s National Highway network and linking major coastal cities and regions.
-
C.
A10
A10 is a major orbital motorway encircling Amsterdam in the Netherlands, connecting various national highways and providing primary access to the city.
-
D.
A10
A10 is the route designation for a major German autobahn that forms the orbital Berliner Ring encircling the city of Berlin.
-
E.
A10
The A10 is a major road in England that runs from London northwards through Hertfordshire and Cambridgeshire, forming a key route between the capital and East Anglia.
- 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: A1 Target entity description: A1 is a major north–south trunk road in England that forms part of the primary route between London and Edinburgh.
-
A.
A1
A1 is the designation of Switzerland’s primary east–west motorway, connecting major cities such as Geneva, Bern, Zurich, and St. Gallen.
-
B.
A1
A1 is the primary north–south route along Australia’s east coast, forming part of the country’s National Highway network and linking major coastal cities and regions.
-
C.
A10
A10 is a major orbital motorway encircling Amsterdam in the Netherlands, connecting various national highways and providing primary access to the city.
-
D.
A10
A10 is the route designation for a major German autobahn that forms the orbital Berliner Ring encircling the city of Berlin.
-
E.
A10
The A10 is a major road in England that runs from London northwards through Hertfordshire and Cambridgeshire, forming a key route between the capital and East Anglia.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
major road in England
ⓘ
road ⓘ |
| connects |
Edinburgh
NERFINISHED
ⓘ
London NERFINISHED ⓘ |
| country | England ⓘ |
| crosses |
River Trent
NERFINISHED
ⓘ
River Tyne NERFINISHED ⓘ |
| direction | north–south ⓘ |
| followsRoughly | historic Great North Road ⓘ |
| formsPartOf | London–Edinburgh–Thurso route NERFINISHED ⓘ |
| hasJunctionWith |
A14 road
NERFINISHED
ⓘ
A19 road ⓘ A66 road NERFINISHED ⓘ A68 road NERFINISHED ⓘ M1 motorway NERFINISHED ⓘ M25 motorway NERFINISHED ⓘ |
| hasLaneConfiguration | mix of single and dual carriageway sections ⓘ |
| hasRoadClassification | A road in Great Britain ⓘ |
| hasSpeedLimit | up to 70 mph on suitable sections ⓘ |
| hasTerminus |
Edinburgh
NERFINISHED
ⓘ
London NERFINISHED ⓘ |
| isMajorLinkBetween |
London and North East England
NERFINISHED
ⓘ
London and Scotland ⓘ |
| isStrategicRouteFor |
freight transport
ⓘ
long-distance traffic ⓘ |
| locatedIn | United Kingdom ⓘ |
| maintainedBy | National Highways ⓘ |
| nearbyCity |
Leeds
NERFINISHED
ⓘ
Newcastle upon Tyne NERFINISHED ⓘ |
| openedInCentury | 20th century (modern classification) ⓘ |
| partlyConcurrentWith | A1(M) ⓘ |
| partOf | primary route between London and Edinburgh ⓘ |
| passesThrough |
Bedfordshire
NERFINISHED
ⓘ
Cambridgeshire NERFINISHED ⓘ County Durham NERFINISHED ⓘ Greater London NERFINISHED ⓘ Hertfordshire NERFINISHED ⓘ Lincolnshire NERFINISHED ⓘ North Yorkshire NERFINISHED ⓘ Northumberland NERFINISHED ⓘ Nottinghamshire NERFINISHED ⓘ South Yorkshire NERFINISHED ⓘ Tyne and Wear NERFINISHED ⓘ West Yorkshire NERFINISHED ⓘ |
| regulatedBy | UK road traffic law ⓘ |
| roadNumber | A1 ⓘ |
| roadType | primary route ⓘ |
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: A1 Description of subject: A1 is a major north–south trunk road in England that forms part of the primary route between London and Edinburgh.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.