Caledonian Sleeper
E28176
Caledonian Sleeper is an overnight train service in the United Kingdom that connects London with various destinations in Scotland, offering sleeper accommodations for long-distance travelers.
All labels observed (13)
How this entity was disambiguated
This entity first appeared as the object of triple T217836 — 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: Caledonian Sleeper Context triple: [Glasgow Central, servedByOperator, Caledonian Sleeper]
-
A.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
B.
London Euston – Glasgow
London Euston – Glasgow is a major intercity rail corridor in the United Kingdom linking the English capital with Scotland’s largest city along the West Coast Main Line.
-
C.
National Rail
National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
-
D.
TransPennine Express
TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
-
E.
InterCity
InterCity is a category of long-distance passenger trains in several European countries, notably providing fast, regular intercity rail services.
- 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: Caledonian Sleeper Target entity description: Caledonian Sleeper is an overnight train service in the United Kingdom that connects London with various destinations in Scotland, offering sleeper accommodations for long-distance travelers.
-
A.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
B.
London Euston – Glasgow
London Euston – Glasgow is a major intercity rail corridor in the United Kingdom linking the English capital with Scotland’s largest city along the West Coast Main Line.
-
C.
National Rail
National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
-
D.
TransPennine Express
TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
-
E.
InterCity
InterCity is a category of long-distance passenger trains in several European countries, notably providing fast, regular intercity rail services.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
overnight train service
ⓘ
passenger rail service ⓘ |
| bookingMethod |
online booking
ⓘ
station ticket office ⓘ telephone booking ⓘ |
| branding | Caledonian Sleeper self-link ⓘ |
| country | United Kingdom ⓘ |
| franchise |
ScotRail
ⓘ
surface form:
ScotRail franchise (sleeper services)
|
| languageOfBranding |
English
ⓘ
Scottish Gaelic ⓘ |
| network |
National Rail
ⓘ
surface form:
National Rail (Great Britain)
|
| offers |
dining car service
ⓘ
en-suite cabins ⓘ private cabins ⓘ seated accommodation ⓘ sleeper accommodation ⓘ |
| onboardFacilities |
Wi‑Fi
ⓘ
beds ⓘ hot drinks ⓘ lounge car ⓘ meals ⓘ showers ⓘ toilets ⓘ |
| operatesIn |
England
ⓘ
Scotland ⓘ |
| operatingPattern | overnight ⓘ |
| operator | Serco Caledonian Sleepers Limited ⓘ |
| primaryMarket |
overnight business travel
ⓘ
overnight leisure travel ⓘ |
| railGauge | standard gauge ⓘ |
| replaced |
Caledonian Sleeper
self-linksurface differs
ⓘ
surface form:
First ScotRail sleeper service
|
| route |
London–Aberdeen
ⓘ
London–Edinburgh ⓘ London–Fort William ⓘ London Euston – Glasgow ⓘ
surface form:
London–Glasgow
London–Inverness ⓘ |
| serviceType |
long-distance passenger service
ⓘ
sleeper train ⓘ |
| startDate | 2015-03-31 ⓘ |
| terminus |
Aberdeen railway station
ⓘ
Edinburgh Waverley ⓘ
surface form:
Edinburgh Waverley railway station
Fort William railway station ⓘ Glasgow Central railway station ⓘ Inverness railway station ⓘ London Euston ⓘ
surface form:
London Euston railway station
|
| traction |
diesel locomotives
ⓘ
electric locomotives ⓘ |
| usesRollingStock |
CAF Mark 5 sleeping coaches
ⓘ
surface form:
CAF Mark 5 seated coaches
CAF Mark 5 sleeping coaches ⓘ |
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: Caledonian Sleeper Description of subject: Caledonian Sleeper is an overnight train service in the United Kingdom that connects London with various destinations in Scotland, offering sleeper accommodations for long-distance travelers.
Referenced by (49)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
London (sleeper)
this entity surface form:
Caledonian Sleeper London–Scotland overnight trains
this entity surface form:
First ScotRail sleeper service
subject surface form:
Central Scotland
subject surface form:
London–Aberdeen rail corridor
this entity surface form:
Caledonian Sleeper (historically via alternative route)
this entity surface form:
London Euston–Scotland sleeper routes
this entity surface form:
Lowlander Caledonian Sleeper services
this entity surface form:
Highlander Caledonian Sleeper services
this entity surface form:
Caledonian Sleeper franchise
this entity surface form:
Caledonian Sleeper network
this entity surface form:
Caledonian Sleeper (indirectly on the same line section)
subject surface form:
Waverley railway station
this entity surface form:
Caledonian Sleeper (on sections)
this entity surface form:
Caledonian Sleeper London Euston–Fort William trains (limited stop)