A40
E448084
The A40 is a major road in England that runs from London through Oxford and on toward Wales, serving as an important east–west transport route.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A40 canonical | 13 |
How this entity was disambiguated
This entity first appeared as the object of triple T4499210 — 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: A40 Context triple: [Cassington, roadJunctionNear, A40]
-
A.
A40
A40 is a major French motorway, also known as the "Autoroute Blanche," that connects Mâcon to the Mont Blanc region through the Jura and Alps.
-
B.
A414
The A414 is a major east–west road in southern England that links several Hertfordshire towns and provides an important route near Welwyn Garden City.
-
C.
A417
A417 is a major road in England that links key towns and routes in Gloucestershire and the surrounding region.
-
D.
A44
A44 is a major trunk road in the United Kingdom that runs across central and western England into mid Wales, linking several important towns and regions.
-
E.
A46
A46 is a major trunk road in England that runs from Bath in the southwest to Cleethorpes on the east coast, connecting several key cities and regions.
- 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: A40 Target entity description: The A40 is a major road in England that runs from London through Oxford and on toward Wales, serving as an important east–west transport route.
-
A.
A40
A40 is a major French motorway, also known as the "Autoroute Blanche," that connects Mâcon to the Mont Blanc region through the Jura and Alps.
-
B.
A414
The A414 is a major east–west road in southern England that links several Hertfordshire towns and provides an important route near Welwyn Garden City.
-
C.
A417
A417 is a major road in England that links key towns and routes in Gloucestershire and the surrounding region.
-
D.
A44
A44 is a major trunk road in the United Kingdom that runs across central and western England into mid Wales, linking several important towns and regions.
-
E.
A46
A46 is a major trunk road in England that runs from Bath in the southwest to Cleethorpes on the east coast, connecting several key cities and regions.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
road in England
ⓘ
trunk road ⓘ |
| connects |
London
ⓘ
linked to:
London, England
Oxford ⓘ routes toward Wales ⓘ |
| country | England ⓘ |
| direction | east–west ⓘ |
| function |
east–west transport corridor
ⓘ
major transport route ⓘ |
| hasPart |
rural sections
ⓘ
urban sections ⓘ |
| importance | major route between London and western England ⓘ |
| locatedIn | United Kingdom ⓘ |
| passesThrough |
London
ⓘ
linked to:
London, England
Oxford ⓘ |
| regionServed |
South Central England
ⓘ
linked to:
south-central England
South East England ⓘ routes toward South Wales ⓘ |
| roadType | A road ⓘ |
| serves |
commuters
ⓘ
freight traffic ⓘ long-distance traffic ⓘ |
| terminus |
London
ⓘ
linked to:
London, England
Wales ⓘ |
| usedFor | road transport ⓘ |
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: A40 Description of subject: The A40 is a major road in England that runs from London through Oxford and on toward Wales, serving as an important east–west transport route.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.