SFD
E150474
SFD is the National Rail station code for Salford Central railway station in Greater Manchester, England.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SFD canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1318978 — 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: SFD Context triple: [Salford Central railway station, stationCode, SFD]
-
A.
SDF
SDF is the IATA airport code for Louisville Muhammad Ali International Airport, a major air cargo and passenger hub serving Louisville, Kentucky.
-
B.
SIF
SIF is the governing body for ice hockey in Sweden, overseeing the national teams and domestic competitions.
-
C.
SF
SF is the standard two-letter postal abbreviation used to represent the city of San Francisco, California.
-
D.
SFM
SFM is the station code for San Francisco's 4th and King Street Caltrain terminal, a major commuter rail hub in the city.
-
E.
F.D.
F.D. is the standard abbreviation of the Latin title "Fidei Defensor," historically used by English and later British monarchs to denote their role as "Defender of the Faith."
- 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: SFD Target entity description: SFD is the National Rail station code for Salford Central railway station in Greater Manchester, England.
-
A.
SDF
SDF is the IATA airport code for Louisville Muhammad Ali International Airport, a major air cargo and passenger hub serving Louisville, Kentucky.
-
B.
SIF
SIF is the governing body for ice hockey in Sweden, overseeing the national teams and domestic competitions.
-
C.
SF
SF is the standard two-letter postal abbreviation used to represent the city of San Francisco, California.
-
D.
SFM
SFM is the station code for San Francisco's 4th and King Street Caltrain terminal, a major commuter rail hub in the city.
-
E.
F.D.
F.D. is the standard abbreviation of the Latin title "Fidei Defensor," historically used by English and later British monarchs to denote their role as "Defender of the Faith."
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf | National Rail station code ⓘ |
| appliesTo |
passenger rail services at Salford Central
ⓘ
railway station ⓘ |
| codeFor | Salford Central ⓘ |
| codeScheme | National Rail three-letter station code system ⓘ |
| country | United Kingdom ⓘ |
| identifies | Salford Central railway station ⓘ |
| locatedIn |
England
ⓘ
Greater Manchester ⓘ |
| railNetwork | National Rail ⓘ |
| usedIn |
National Rail ticketing system
ⓘ
National Rail timetable ⓘ |
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: SFD Description of subject: SFD is the National Rail station code for Salford Central railway station in Greater Manchester, England.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.