Ledn
E407407
Ledn is the official station code used to identify Leiden Centraal railway station in the Netherlands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ledn canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4003505 — 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: Ledn Context triple: [Leiden Centraal, stationCode, Ledn]
-
A.
Leens
Leens is a village in the Dutch province of Groningen, located within the municipality of Het Hogeland.
-
B.
Le
Le is a common Vietnamese surname shared by many notable figures in the country’s history and culture.
-
C.
LYD
LYD is the ISO 4217 currency code for the Libyan dinar, the official currency of Libya.
-
D.
LYD
LYD is the station code for Lyon-Part-Dieu, a major high-speed rail hub and one of the main railway stations in Lyon, France.
-
E.
LEVD
LEVD is the ICAO airport code assigned to Valladolid Airport in Spain.
- 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: Ledn Target entity description: Ledn is the official station code used to identify Leiden Centraal railway station in the Netherlands.
-
A.
Leens
Leens is a village in the Dutch province of Groningen, located within the municipality of Het Hogeland.
-
B.
Le
Le is a common Vietnamese surname shared by many notable figures in the country’s history and culture.
-
C.
LYD
LYD is the station code for Lyon-Part-Dieu, a major high-speed rail hub and one of the main railway stations in Lyon, France.
-
D.
LYD
LYD is the ISO 4217 currency code for the Libyan dinar, the official currency of Libya.
-
E.
LEVD
LEVD is the ICAO airport code assigned to Valladolid Airport in Spain.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
railway station code
ⓘ
station code ⓘ |
| appliesToCity | Leiden ⓘ |
| appliesToOperator | Nederlandse Spoorwegen ⓘ |
| appliesToProvince | South Holland ⓘ |
| appliesToRailwayNetwork | Dutch railway network ⓘ |
| associatedStationName | Leiden Centraal ⓘ |
| associatedStationType | intercity railway station ⓘ |
| associatedTransportMode | rail ⓘ |
| codeFor | Leiden Centraal ⓘ |
| codeFormat | four-letter alphabetic code ⓘ |
| codeSystem | Dutch railway station code system ⓘ |
| country | Netherlands ⓘ |
| identifies |
Leiden Centraal railway station
ⓘ
linked to:
Leiden Centraal
|
| languageOfAcronym | Dutch ⓘ |
| region |
Randstad
ⓘ
linked to:
Randstad metropolitan region
|
| relatedCodeType |
IATA station code
ⓘ
UIC station code ⓘ |
| usedBy |
railway operators in the Netherlands
ⓘ
railway ticketing systems in the Netherlands ⓘ railway timetabling systems in the Netherlands ⓘ |
| usedFor |
identifying Leiden Centraal in operational systems
ⓘ
identifying Leiden Centraal in schedules ⓘ identifying Leiden Centraal in ticketing ⓘ |
| usedInCountry | Netherlands ⓘ |
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: Ledn Description of subject: Ledn is the official station code used to identify Leiden Centraal railway station in the Netherlands.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.