SFM
E122067
SFM is the station code for San Francisco's 4th and King Street Caltrain terminal, a major commuter rail hub in the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SFM canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1036285 — 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: SFM Context triple: [San Francisco 4th and King Street station, hasStationCode, SFM]
-
A.
SF
SF is the standard two-letter postal abbreviation used to represent the city of San Francisco, California.
-
B.
SMF
SMF is the three-letter IATA airport code for Sacramento International Airport, the primary commercial airport serving California’s capital city.
-
C.
SIF
SIF is the governing body for ice hockey in Sweden, overseeing the national teams and domestic competitions.
-
D.
SDF
SDF is the IATA airport code for Louisville Muhammad Ali International Airport, a major air cargo and passenger hub serving Louisville, Kentucky.
-
E.
FFM
FFM is an abbreviation commonly used for the Montreal World Film Festival, an international film festival held annually in Montreal, Canada.
- 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: SFM Target entity description: SFM is the station code for San Francisco's 4th and King Street Caltrain terminal, a major commuter rail hub in the city.
-
A.
SF
SF is the standard two-letter postal abbreviation used to represent the city of San Francisco, California.
-
B.
SMF
SMF is the three-letter IATA airport code for Sacramento International Airport, the primary commercial airport serving California’s capital city.
-
C.
SIF
SIF is the governing body for ice hockey in Sweden, overseeing the national teams and domestic competitions.
-
D.
SDF
SDF is the IATA airport code for Louisville Muhammad Ali International Airport, a major air cargo and passenger hub serving Louisville, Kentucky.
-
E.
FFM
FFM is an abbreviation commonly used for the Montreal World Film Festival, an international film festival held annually in Montreal, Canada.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
Caltrain station code
ⓘ
railway station code ⓘ |
| associatedStreet |
4th Street
ⓘ
King Street ⓘ |
| connectsTo |
Muni light rail nearby
ⓘ
local bus services ⓘ |
| fareSystem | Clipper card ⓘ |
| hasTransportMode | commuter rail ⓘ |
| isAbbreviationFor | San Francisco (Caltrain) ⓘ |
| locatedInCity | San Francisco ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInCounty | San Francisco County ⓘ |
| locatedInState |
California, United States
ⓘ
surface form:
California
|
| operator | Caltrain ⓘ |
| railNetwork | Caltrain ⓘ |
| refersTo | San Francisco 4th and King Street station ⓘ |
| servesArea | San Francisco Bay Area ⓘ |
| servesAs |
commuter rail hub
ⓘ
terminal station ⓘ |
| usedBy | Caltrain commuter rail services ⓘ |
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: SFM Description of subject: SFM is the station code for San Francisco's 4th and King Street Caltrain terminal, a major commuter rail hub in the city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.