Boyne Viaduct
E343421
Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Boyne Viaduct canonical | 2 |
| Boyne Viaduct (engineering work) | 1 |
| Boyne Viaduct (nearby area) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2948366 — 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: Boyne Viaduct Context triple: [River Boyne, crossedBy, Boyne Viaduct]
-
A.
Goyt Viaduct
Goyt Viaduct is a historic railway viaduct in Derbyshire, England, carrying tracks high over the River Goyt as part of the former Midland Railway route.
-
B.
Digswell Viaduct
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
-
C.
Glenfinnan Viaduct
Glenfinnan Viaduct is a historic Scottish railway viaduct famous for its sweeping concrete arches and appearances in the Harry Potter films.
-
D.
Porthill Bridge
Porthill Bridge is a historic pedestrian suspension bridge in Shrewsbury, England, linking the town to the Porthill area across the River Severn.
-
E.
Swilcan Bridge
Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
- 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: Boyne Viaduct Target entity description: Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
-
A.
Goyt Viaduct
Goyt Viaduct is a historic railway viaduct in Derbyshire, England, carrying tracks high over the River Goyt as part of the former Midland Railway route.
-
B.
Digswell Viaduct
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
-
C.
Glenfinnan Viaduct
Glenfinnan Viaduct is a historic Scottish railway viaduct famous for its sweeping concrete arches and appearances in the Harry Potter films.
-
D.
Porthill Bridge
Porthill Bridge is a historic pedestrian suspension bridge in Shrewsbury, England, linking the town to the Porthill area across the River Severn.
-
E.
Swilcan Bridge
Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
railway bridge ⓘ viaduct ⓘ |
| architecturalStyle | multi-arch viaduct ⓘ |
| carries | railway traffic ⓘ |
| category | 19th-century bridge in Ireland ⓘ |
| connects | rail routes between Dublin and Northern Ireland ⓘ |
| constructionMethod | iron truss spans on masonry piers ⓘ |
| constructionStartDate | 1851 ⓘ |
| country | Ireland ⓘ |
| crosses | River Boyne ⓘ |
| designedBy | Sir John Macneill ⓘ |
| hasRailwayStationNearby | Drogheda railway station ⓘ |
| hasType | double-track railway bridge ⓘ |
| height | about 27 metres ⓘ |
| heritageStatus | protected structure ⓘ |
| historicPeriod | Victorian era ⓘ |
| importance | strategic rail infrastructure on Ireland’s primary north–south corridor ⓘ |
| length | about 500 metres ⓘ |
| locatedIn |
County Louth
ⓘ
Drogheda ⓘ Leinster ⓘ |
| locatedNear |
Drogheda town centre
ⓘ
linked to:
Drogheda
|
| material |
stone
ⓘ
wrought iron ⓘ |
| notableFor |
engineering innovation in mid-19th century Ireland
ⓘ
prominent landmark in Drogheda ⓘ |
| numberOfArches | 12 ⓘ |
| numberOfSpans | 15 ⓘ |
| openingDate | 1855 ⓘ |
| operator | Iarnród Éireann ⓘ |
| owner | Iarnród Éireann ⓘ |
| partOf |
Dublin–Belfast railway line
ⓘ
linked to:
Belfast–Dublin railway line
|
| passesOver |
Drogheda docks area
ⓘ
linked to:
Port of Drogheda
|
| railwayLine |
Dublin–Belfast line
ⓘ
linked to:
Belfast–Dublin railway line
|
| regionServed | east coast of Ireland ⓘ |
| riverBasin | Boyne River basin ⓘ |
| significance | key link on main line between Dublin and Belfast ⓘ |
| traffic |
freight trains
ⓘ
passenger trains ⓘ |
| usedFor | rail 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: Boyne Viaduct Description of subject: Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Boyne Viaduct
linked to: Boyne Viaduct