North Island Main Trunk
E395492
The North Island Main Trunk is New Zealand’s principal railway line linking the country’s major North Island cities, including Auckland and Wellington.
All labels observed (4)
| Label | Occurrences |
|---|---|
| North Island Main Trunk railway line | 10 |
| North Island Main Trunk canonical | 5 |
| North Island Main Trunk railway | 3 |
| North Island Main Trunk line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3873563 — 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: North Island Main Trunk Context triple: [Hamilton, railConnection, North Island Main Trunk]
-
A.
North Coast railway line
The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
-
B.
North Coast railway line
The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
-
C.
Waverley Route
The Waverley Route was a historic railway line in Scotland that connected Edinburgh to Carlisle through the Scottish Borders, renowned for its scenic landscapes and later partial revival as the Borders Railway.
-
D.
South Coast Track
The South Coast Track is a remote, multi-day wilderness hiking trail in southwest Tasmania, Australia, renowned for its rugged terrain, wild beaches, and challenging conditions.
-
E.
Kingston Loop Line
The Kingston Loop Line is a suburban railway route in southwest London that forms a loop connecting several towns and districts between London Waterloo and the South West Main Line.
- 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: North Island Main Trunk Target entity description: The North Island Main Trunk is New Zealand’s principal railway line linking the country’s major North Island cities, including Auckland and Wellington.
-
A.
North Coast railway line
The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
-
B.
North Coast railway line
The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
-
C.
Waverley Route
The Waverley Route was a historic railway line in Scotland that connected Edinburgh to Carlisle through the Scottish Borders, renowned for its scenic landscapes and later partial revival as the Borders Railway.
-
D.
South Coast Track
The South Coast Track is a remote, multi-day wilderness hiking trail in southwest Tasmania, Australia, renowned for its rugged terrain, wild beaches, and challenging conditions.
-
E.
Kingston Loop Line
The Kingston Loop Line is a suburban railway route in southwest London that forms a loop connecting several towns and districts between London Waterloo and the South West Main Line.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| completed | early 20th century ⓘ |
| connectsCity |
Auckland
ⓘ
Hamilton ⓘ Palmerston North ⓘ Wellington ⓘ |
| connectsIslandSection |
northern North Island
ⓘ
southern North Island ⓘ |
| connectsRegion |
Auckland Region
ⓘ
Manawatū-Whanganui NERFINISHED ⓘ Waikato NERFINISHED ⓘ Wellington Region ⓘ |
| constructionStarted | late 19th century ⓘ |
| country | New Zealand ⓘ |
| crosses |
Waikato River
NERFINISHED
ⓘ
Whanganui River NERFINISHED ⓘ |
| electrification | partial ⓘ |
| electrifiedSection | Palmerston North–Te Rapa section ⓘ |
| gauge |
1067 mm
ⓘ
3 ft 6 in ⓘ |
| hasAbbreviation | NIMT ⓘ |
| hasRouteNumber | NIMT ⓘ |
| hasStructure |
Makatote Viaduct
ⓘ
surface form:
Hapuawhenua Viaduct
Makatote Viaduct ⓘ Raurimu Spiral ⓘ |
| historicalSignificance | principal rail link between Auckland and Wellington ⓘ |
| importance | backbone of North Island rail network ⓘ |
| isPrincipalRailwayLineOf |
North Island
ⓘ
surface form:
North Island of New Zealand
|
| languageOfName | English ⓘ |
| linkType | intercity rail corridor ⓘ |
| locatedIn | North Island ⓘ |
| operator | KiwiRail ⓘ |
| owner | KiwiRail ⓘ |
| partOf |
New Zealand rail network
ⓘ
surface form:
New Zealand national rail network
|
| passesThrough |
Central Plateau
ⓘ
King Country ⓘ |
| servedByService |
Northern Explorer
ⓘ
commuter and regional trains around Auckland ⓘ commuter and regional trains around Wellington ⓘ |
| status | operational ⓘ |
| terminus |
Auckland
ⓘ
Wellington ⓘ |
| trackGaugeType | Cape gauge ⓘ |
| usedFor |
freight rail transport
ⓘ
passenger 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: North Island Main Trunk Description of subject: The North Island Main Trunk is New Zealand’s principal railway line linking the country’s major North Island cities, including Auckland and Wellington.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
North Island Main Trunk railway
subject surface form:
Te Kuiti
subject surface form:
Pukerua Bay
this entity surface form:
North Island Main Trunk railway
subject surface form:
Paraparaumu
this entity surface form:
North Island Main Trunk railway line
this entity surface form:
North Island Main Trunk railway line
this entity surface form:
North Island Main Trunk railway line
this entity surface form:
North Island Main Trunk line
this entity surface form:
North Island Main Trunk railway
this entity surface form:
North Island Main Trunk railway line
this entity surface form:
North Island Main Trunk railway line
this entity surface form:
North Island Main Trunk railway line
this entity surface form:
North Island Main Trunk railway line
this entity surface form:
North Island Main Trunk railway line
Cook Strait region (southern North Island and northern South Island)
→
majorRailRoute
→
North Island Main Trunk
ⓘ
subject surface form:
Cook Strait region
this entity surface form:
North Island Main Trunk railway line
subject surface form:
Ōtaki
this entity surface form:
North Island Main Trunk railway line