Irish gauge
E400041
Irish gauge is a broad railway track gauge of 5 ft 3 in (1,600 mm) widely used on railways in Ireland and parts of Australia and Brazil.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Irish gauge canonical | 12 |
| Irish gauge (1600 mm) | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3916972 — 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: Irish gauge Context triple: [Northern Counties Committee, railGauge, Irish gauge]
-
A.
Cape gauge
Cape gauge is a narrow railway track gauge of 3 feet 6 inches (1,067 mm) widely used in southern Africa and other parts of the world for mainline and regional railways.
-
B.
Iberian gauge
Iberian gauge is a broad railway track gauge, wider than the international standard gauge, predominantly used on mainline railways in Spain and Portugal.
-
C.
Bar of Ireland
The Bar of Ireland is the professional body that regulates and represents barristers practicing at the independent bar in Ireland.
-
D.
Russian gauge
Russian gauge is a broad railway track gauge, wider than the standard gauge, used extensively across Russia and several neighboring countries.
-
E.
Ire
Ire is a river or stream that serves as one of the natural watercourses feeding into Lake Annecy in southeastern France.
- 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: Irish gauge Target entity description: Irish gauge is a broad railway track gauge of 5 ft 3 in (1,600 mm) widely used on railways in Ireland and parts of Australia and Brazil.
-
A.
Cape gauge
Cape gauge is a narrow railway track gauge of 3 feet 6 inches (1,067 mm) widely used in southern Africa and other parts of the world for mainline and regional railways.
-
B.
Iberian gauge
Iberian gauge is a broad railway track gauge, wider than the international standard gauge, predominantly used on mainline railways in Spain and Portugal.
-
C.
Bar of Ireland
The Bar of Ireland is the professional body that regulates and represents barristers practicing at the independent bar in Ireland.
-
D.
Russian gauge
Russian gauge is a broad railway track gauge, wider than the standard gauge, used extensively across Russia and several neighboring countries.
-
E.
Ire
Ire is a river or stream that serves as one of the natural watercourses feeding into Lake Annecy in southeastern France.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
broad gauge
ⓘ
railway track gauge ⓘ |
| appliesToJurisdiction |
Northern Ireland
ⓘ
Republic of Ireland ⓘ State of South Australia, Australia ⓘ
linked to:
South Australia
State of Victoria, Australia ⓘ
linked to:
State of Victoria
|
| associatedRollingStock |
Irish gauge freight wagons
ⓘ
Irish gauge locomotives ⓘ Irish gauge multiple units ⓘ Irish gauge passenger coaches ⓘ |
| continentOfUse |
Europe
ⓘ
Oceania ⓘ South America ⓘ |
| countryOfUse |
Australia
ⓘ
Brazil ⓘ Ireland ⓘ |
| distinguishedFrom |
Cape gauge (3 ft 6 in / 1067 mm)
ⓘ
Indian gauge (5 ft 6 in / 1676 mm) ⓘ standard gauge (4 ft 8½ in / 1435 mm) ⓘ |
| gaugeCategory | broad gauge (over 1,435 mm) ⓘ |
| hasConversionFrom | standard gauge (on some lines) ⓘ |
| hasConversionTo | standard gauge (on some lines) ⓘ |
| hasExactImperialEquivalent | 5 ft 3 in ⓘ |
| hasExactMetricEquivalent | 1600 mm ⓘ |
| introducedInCountry | introduced in Ireland in the 19th century ⓘ |
| legalStatusInIreland | statutory standard gauge for most Irish railways ⓘ |
| measurementSystem |
imperial units
ⓘ
metric units ⓘ |
| railwayEngineeringContext |
affects platform and structure clearances
ⓘ
affects rolling stock design ⓘ affects track geometry and alignment ⓘ |
| regionalName | Irish broad gauge ⓘ |
| standardGaugeComparison_mm | 1600 mm vs 1435 mm ⓘ |
| trackGauge |
1600 mm
ⓘ
5 ft 3 in ⓘ |
| usedFor |
commuter railways
ⓘ
freight railways ⓘ heritage railways ⓘ intercity railways ⓘ passenger railways ⓘ regional railways ⓘ |
| usedOnNetwork |
Belo Horizonte metropolitan railways (selected lines)
ⓘ
linked to:
Belo Horizonte Metro
Iarnród Éireann network ⓘ Northern Ireland Railways network ⓘ
linked to:
Northern Ireland railways
Queensland Railways suburban network (historical sections) ⓘ
linked to:
Queensland rail network at Brisbane
South Australian broad gauge network ⓘ
linked to:
South Australian rail network
São Paulo suburban railways (selected lines) ⓘ Victorian broad gauge network ⓘ
linked to:
Victorian regional rail network
|
| widerThan | standard gauge ⓘ |
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: Irish gauge Description of subject: Irish gauge is a broad railway track gauge of 5 ft 3 in (1,600 mm) widely used on railways in Ireland and parts of Australia and Brazil.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Irish gauge
linked to: Irish gauge