M1
E1013006
M1 is a major Irish motorway that connects Dublin to the border with Northern Ireland, forming part of the primary route between the Republic of Ireland and Belfast.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M1 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12988920 — 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: M1 Context triple: [M1 motorway (Ireland), roadNumber, M1]
-
A.
M1
M1 is Budapest’s historic Millennium Underground line, one of the world’s oldest metro lines and a UNESCO World Heritage site.
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B.
M1
M1 is a light metro line in Lausanne, Switzerland, connecting the city center with the university and lakeside areas.
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C.
M1
M1 is a major north–south motorway in England connecting London with Leeds and forming a key part of the UK’s primary road network.
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D.
M1
M1 is a major north–south urban freeway in Johannesburg, South Africa, connecting the city center with key suburbs and routes.
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E.
M1
M1 is the main primary mirror of the Extremely Large Telescope, responsible for collecting and focusing incoming light for its observations.
- 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: M1 Target entity description: M1 is a major Irish motorway that connects Dublin to the border with Northern Ireland, forming part of the primary route between the Republic of Ireland and Belfast.
-
A.
M1
M1 is a major north–south motorway in England connecting London with Leeds and forming a key part of the UK’s primary road network.
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B.
M1
M1 is a major motorway in New South Wales, Australia, forming a key part of the coastal route between Sydney and the state's northern and southern regions.
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C.
M1
M1 is a major north–south urban freeway in Johannesburg, South Africa, connecting the city center with key suburbs and routes.
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D.
M1
M1 is one of the main lines of the Bucharest Metro, forming part of the city’s core rapid transit network.
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E.
M1
M1 is one of the main lines of the Copenhagen Metro, providing rapid transit service through central Copenhagen and connecting key residential and commercial areas.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
motorway
ⓘ
road in Ireland ⓘ |
| completedAsContinuousMotorway | early 2000s ⓘ |
| connects |
Dublin
NERFINISHED
ⓘ
border with Northern Ireland ⓘ |
| country | Republic of Ireland NERFINISHED ⓘ |
| formsPartOf | route between Republic of Ireland and Belfast ⓘ |
| hasJunctionWith |
M1 Airport Motorway (Northern Ireland)
NERFINISHED
ⓘ
M50 motorway NERFINISHED ⓘ N1 road NERFINISHED ⓘ N33 road NERFINISHED ⓘ N52 road NERFINISHED ⓘ |
| hasServiceArea |
Castlebellingham services
NERFINISHED
ⓘ
Lusk services ⓘ |
| hasTollSection | Drogheda bypass NERFINISHED ⓘ |
| isMajorRouteFor | Dublin–Belfast corridor NERFINISHED ⓘ |
| isPartOf | TEN-T core network corridor (Dublin–Belfast) NERFINISHED ⓘ |
| isStrategicCorridorFor | cross-border traffic between Republic of Ireland and Northern Ireland ⓘ |
| laneConfiguration | dual carriageway ⓘ |
| locatedIn | Ireland NERFINISHED ⓘ |
| managedBy | Transport Infrastructure Ireland NERFINISHED ⓘ |
| openedInPart | 1980s ⓘ |
| parallelTo | N1 road ⓘ |
| partOf | primary route between Dublin and Belfast ⓘ |
| partOfEuropeanRoute | E01 NERFINISHED ⓘ |
| passesNear |
Drogheda
NERFINISHED
ⓘ
Dublin Airport NERFINISHED ⓘ Dundalk NERFINISHED ⓘ Swords NERFINISHED ⓘ |
| passesThroughCounty |
County Dublin
NERFINISHED
ⓘ
County Louth NERFINISHED ⓘ County Meath NERFINISHED ⓘ |
| roadNumberingScheme | M (motorway) classification in Ireland ⓘ |
| roadType | motorway ⓘ |
| speedLimit | 120 km/h (typical motorway sections) ⓘ |
| terminusA | Dublin NERFINISHED ⓘ |
| terminusB | Republic of Ireland–United Kingdom border NERFINISHED ⓘ |
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: M1 Description of subject: M1 is a major Irish motorway that connects Dublin to the border with Northern Ireland, forming part of the primary route between the Republic of Ireland and Belfast.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
M1 motorway (Ireland)