A4200
E638910
A4200 is a major road in central London that runs through the Holborn area, connecting key routes in the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A4200 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7061331 — 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: A4200 Context triple: [Holborn, hasNearbyRoad, A4200]
-
A.
A4120
A4120 is a numbered A-road in the United Kingdom that serves as a regional connector route.
-
B.
A470
A470 is a major trunk road in Wales that runs from Cardiff in the south to Llandudno in the north, linking many of the country’s key towns and regions.
-
C.
A4048
The A4048 is a primary road in Wales that connects several towns in the Sirhowy Valley, including Tredegar, to the wider regional road network.
-
D.
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.
-
E.
A40
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.
- 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: A4200 Target entity description: A4200 is a major road in central London that runs through the Holborn area, connecting key routes in the city.
-
A.
A4120
A4120 is a numbered A-road in the United Kingdom that serves as a regional connector route.
-
B.
A470
A470 is a major trunk road in Wales that runs from Cardiff in the south to Llandudno in the north, linking many of the country’s key towns and regions.
-
C.
A4048
The A4048 is a primary road in Wales that connects several towns in the Sirhowy Valley, including Tredegar, to the wider regional road network.
-
D.
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.
-
E.
A40
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.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
A road in England
ⓘ
road ⓘ |
| connects |
Holborn
NERFINISHED
ⓘ
key routes in central London ⓘ |
| country | United Kingdom ⓘ |
| hasGeographicRegion | Greater London NERFINISHED ⓘ |
| hasRouteNumber | A4200 NERFINISHED ⓘ |
| locatedIn |
Central London
NERFINISHED
ⓘ
Holborn NERFINISHED ⓘ London NERFINISHED ⓘ |
| maintainedBy | local authority in London ⓘ |
| partOf | London road network ⓘ |
| roadType | A road ⓘ |
| usedFor |
motor traffic
ⓘ
public transport routes ⓘ |
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: A4200 Description of subject: A4200 is a major road in central London that runs through the Holborn area, connecting key routes in the city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.