National Rail station code
E929045
The National Rail station code is a standardized three-letter abbreviation system used across Great Britain’s rail network to uniquely identify individual railway stations for tickets, timetables, and information systems.
All labels observed (4)
| Label | Occurrences |
|---|---|
| National Rail (coding system) | 1 |
| National Rail station code canonical | 1 |
| National Rail station code system | 1 |
| National Rail station symbol | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11493522 — 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: National Rail station code Context triple: [Chafford Hundred railway station, hasStationCodeSystem, National Rail station code]
-
A.
National Rail station
A National Rail station is a passenger railway facility in Great Britain that forms part of the nationwide National Rail network, providing scheduled train services and related amenities.
-
B.
National Rail Enquiries
National Rail Enquiries is the official information service for Britain’s National Rail network, providing timetables, fares, and real-time journey updates to passengers.
-
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.
Lee railway station
Lee railway station is a suburban rail stop in southeast London serving local commuter services on the Sidcup Line into central London.
-
E.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
- 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: National Rail station code Target entity description: The National Rail station code is a standardized three-letter abbreviation system used across Great Britain’s rail network to uniquely identify individual railway stations for tickets, timetables, and information systems.
-
A.
National Rail station
A National Rail station is a passenger railway facility in Great Britain that forms part of the nationwide National Rail network, providing scheduled train services and related amenities.
-
B.
National Rail Enquiries
National Rail Enquiries is the official information service for Britain’s National Rail network, providing timetables, fares, and real-time journey updates to passengers.
-
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.
Lee railway station
Lee railway station is a suburban rail stop in southeast London serving local commuter services on the Sidcup Line into central London.
-
E.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
railway station code system
ⓘ
transport identifier ⓘ |
| administeredBy | rail industry in Great Britain ⓘ |
| appliesTo | National Rail stations NERFINISHED ⓘ |
| characterSet | Latin alphabet ⓘ |
| codeLength | 3 letters ⓘ |
| country | United Kingdom ⓘ |
| dataModelRole | primary station key in many rail databases ⓘ |
| dataStandard | part of UK rail industry data standards ⓘ |
| distinctFrom |
IATA airport code
ⓘ
London Underground station codes ⓘ UIC station code ⓘ |
| exampleCode |
EDB
ⓘ
KGX ⓘ |
| exampleMapping |
EDB identifies Edinburgh Waverley
NERFINISHED
ⓘ
KGX identifies London King’s Cross NERFINISHED ⓘ |
| exampleStation |
Edinburgh Waverley
NERFINISHED
ⓘ
London King’s Cross NERFINISHED ⓘ |
| excludes |
most freight-only facilities
ⓘ
most heritage-only railway stations ⓘ |
| format | three-letter alphabetic code ⓘ |
| identifierType | station code ⓘ |
| introducedFor |
computerised ticketing
ⓘ
standardised data exchange ⓘ |
| language | English ⓘ |
| operatorScope | National Rail NERFINISHED ⓘ |
| purpose | unique identification of railway stations ⓘ |
| region | Great Britain NERFINISHED ⓘ |
| relatedTo |
CRS code
ⓘ
Computer Reservation System code (UK rail) ⓘ |
| scope | passenger railway stations ⓘ |
| standardization | standardized across Great Britain ⓘ |
| uniqueness | each active station has a unique code ⓘ |
| usedBy |
National Rail Enquiries
NERFINISHED
ⓘ
rail industry back-office systems ⓘ ticket retailers ⓘ train operating companies in Great Britain ⓘ |
| usedFor |
fares databases
ⓘ
information systems ⓘ journey planning systems ⓘ online booking ⓘ real-time departure boards ⓘ ticketing ⓘ timetables ⓘ |
| usedIn | Great Britain rail network ⓘ |
| usedOn |
National Rail Enquiries website
NERFINISHED
ⓘ
electronic rail tickets in Great Britain ⓘ printed rail tickets in Great Britain ⓘ station departure and arrival boards ⓘ |
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: National Rail station code Description of subject: The National Rail station code is a standardized three-letter abbreviation system used across Great Britain’s rail network to uniquely identify individual railway stations for tickets, timetables, and information systems.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
National Rail station code system
this entity surface form:
National Rail station symbol