Ballymahon aqueduct
E596025
Ballymahon aqueduct is a historic waterway structure in County Longford, Ireland, that carries the Royal Canal over the River Inny near the town of Ballymahon.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ballymahon aqueduct canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6449499 — 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: Ballymahon aqueduct Context triple: [Royal Canal, hasStructure, Ballymahon aqueduct]
-
A.
Athlone Weir
Athlone Weir is a river weir on the River Shannon in Athlone, Ireland, helping to control water levels and flow near the town’s lock and bridge.
-
B.
Athlone Town Bridge
Athlone Town Bridge is a historic road bridge spanning the River Shannon in Athlone, Ireland, linking the town’s central areas across the waterway.
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C.
Athlone Railway Bridge
Athlone Railway Bridge is a historic iron railway swing bridge in Athlone, Ireland, notable for carrying rail traffic across the River Shannon.
-
D.
Lagan Weir
Lagan Weir is a river control and pedestrian bridge structure in Belfast that regulates water levels on the River Lagan and has become a notable local landmark.
-
E.
Ballinasloe bridge
Ballinasloe Bridge is a historic stone bridge in Ballinasloe, County Galway, Ireland, notable for linking the town across the River Suck.
- 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: Ballymahon aqueduct Target entity description: Ballymahon aqueduct is a historic waterway structure in County Longford, Ireland, that carries the Royal Canal over the River Inny near the town of Ballymahon.
-
A.
Athlone Weir
Athlone Weir is a river weir on the River Shannon in Athlone, Ireland, helping to control water levels and flow near the town’s lock and bridge.
-
B.
Athlone Town Bridge
Athlone Town Bridge is a historic road bridge spanning the River Shannon in Athlone, Ireland, linking the town’s central areas across the waterway.
-
C.
Athlone Railway Bridge
Athlone Railway Bridge is a historic iron railway swing bridge in Athlone, Ireland, notable for carrying rail traffic across the River Shannon.
-
D.
Lagan Weir
Lagan Weir is a river control and pedestrian bridge structure in Belfast that regulates water levels on the River Lagan and has become a notable local landmark.
-
E.
Ballinasloe bridge
Ballinasloe Bridge is a historic stone bridge in Ballinasloe, County Galway, Ireland, notable for linking the town across the River Suck.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf |
aqueduct
ⓘ
waterway structure ⓘ |
| carries | Royal Canal NERFINISHED ⓘ |
| country | Ireland NERFINISHED ⓘ |
| crosses | River Inny NERFINISHED ⓘ |
| heritageStatus | historic structure ⓘ |
| locatedIn |
County Longford
NERFINISHED
ⓘ
Ireland NERFINISHED ⓘ |
| locatedNear | Ballymahon NERFINISHED ⓘ |
| partOf | Royal Canal infrastructure 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: Ballymahon aqueduct Description of subject: Ballymahon aqueduct is a historic waterway structure in County Longford, Ireland, that carries the Royal Canal over the River Inny near the town of Ballymahon.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.