N21 road
E1047818
The N21 road is a major national primary route in Ireland that connects Limerick to Tralee, serving as a key link through County Kerry and County Limerick.
All labels observed (1)
| Label | Occurrences |
|---|---|
| N21 road canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T13478816 — 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: N21 road Context triple: [Tralee, roadServedBy, N21 road]
-
A.
N22 road
The N22 road is a major national primary route in Ireland that links Cork city with Killarney and Tralee in County Kerry.
-
B.
N12 road
The N12 road is a major French national highway in Brittany that links the city of Brest with other key urban centers in the region.
-
C.
N210 road
The N210 road is a regional highway in the Netherlands that connects several towns and cities in the province of South Holland.
-
D.
N215 road
The N215 road is a regional highway in the Netherlands that connects towns on the island of Goeree-Overflakkee in South Holland.
-
E.
N29 road
The N29 road is a regional highway in Belgium that connects several towns and provides important local and interurban access routes.
- 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: N21 road Target entity description: The N21 road is a major national primary route in Ireland that connects Limerick to Tralee, serving as a key link through County Kerry and County Limerick.
-
A.
N22 road
The N22 road is a major national primary route in Ireland that links Cork city with Killarney and Tralee in County Kerry.
-
B.
N12 road
The N12 road is a major French national highway in Brittany that links the city of Brest with other key urban centers in the region.
-
C.
N210 road
The N210 road is a regional highway in the Netherlands that connects several towns and cities in the province of South Holland.
-
D.
N215 road
The N215 road is a regional highway in the Netherlands that connects towns on the island of Goeree-Overflakkee in South Holland.
-
E.
N29 road
The N29 road is a regional highway in Belgium that connects several towns and provides important local and interurban access routes.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
national primary road
ⓘ
road in Ireland ⓘ |
| connectsCity |
Limerick
ⓘ
linked to:
Limerick City
Tralee ⓘ |
| country | Ireland ⓘ |
| hasBypassPlannedAt | Adare ⓘ |
| hasJunctionWith |
M20 motorway
ⓘ
N22 road ⓘ N69 road ⓘ |
| isKeyLinkBetween |
County Kerry
ⓘ
Limerick ⓘ
linked to:
Limerick City
|
| locatedInProvince | Province of Munster ⓘ |
| maintainedBy | Transport Infrastructure Ireland ⓘ |
| partOfNetwork | Irish national primary road network ⓘ |
| passesThroughCounty |
County Kerry
ⓘ
County Limerick ⓘ |
| region | Munster ⓘ |
| roadClassification | primary ⓘ |
| roadDirection | generally southwest–northeast ⓘ |
| roadNumber | N21 ⓘ |
| routeType | national primary road ⓘ |
| servesTown |
Abbeyfeale
ⓘ
Adare ⓘ Castleisland ⓘ Newcastle West ⓘ |
| terminusA | Limerick ⓘ |
| terminusB | Tralee ⓘ |
| usedFor |
inter-urban traffic
ⓘ
regional connectivity ⓘ |
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: N21 road Description of subject: The N21 road is a major national primary route in Ireland that connects Limerick to Tralee, serving as a key link through County Kerry and County Limerick.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.