SLSF
E561884
SLSF was the reporting mark used by the St. Louis–San Francisco Railway, commonly known as the Frisco, a major Midwestern and Southern U.S. railroad.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SLSF canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6018032 — 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: SLSF Context triple: [St. Louis–San Francisco Railway, railwayReportingMark, SLSF]
-
A.
SLF
SLF is the Shuttle Landing Facility at NASA’s Kennedy Space Center, a specialized runway complex built for landing Space Shuttle orbiters and other aerospace vehicles.
-
B.
SLS
SLS is a Finnish scholarly society dedicated to the preservation, research, and promotion of Swedish-language literature and cultural heritage in Finland.
-
C.
SLS
SLS is NASA’s heavy-lift, super-heavy rocket designed to carry astronauts and large payloads beyond low Earth orbit, including missions to the Moon and eventually Mars.
-
D.
SFL
SFL is the commonly used abbreviation for the Scottish Football League, the former governing body for professional league football in Scotland.
-
E.
SFS
SFS is the commonly used abbreviation for the San Francisco Symphony, a major American orchestra based in San Francisco, California.
- 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: SLSF Target entity description: SLSF was the reporting mark used by the St. Louis–San Francisco Railway, commonly known as the Frisco, a major Midwestern and Southern U.S. railroad.
-
A.
SLF
SLF is the Shuttle Landing Facility at NASA’s Kennedy Space Center, a specialized runway complex built for landing Space Shuttle orbiters and other aerospace vehicles.
-
B.
SLS
SLS is a Finnish scholarly society dedicated to the preservation, research, and promotion of Swedish-language literature and cultural heritage in Finland.
-
C.
SLS
SLS is NASA’s heavy-lift, super-heavy rocket designed to carry astronauts and large payloads beyond low Earth orbit, including missions to the Moon and eventually Mars.
-
D.
SFL
SFL is the commonly used abbreviation for the Scottish Football League, the former governing body for professional league football in Scotland.
-
E.
SFS
SFS is a renowned Georgetown University school specializing in international affairs, diplomacy, and global policy education.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport identifier
ⓘ
railway reporting mark ⓘ |
| associatedWith | Frisco NERFINISHED ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| governingBody | Association of American Railroads NERFINISHED ⓘ |
| headquartersRailroadCity | St. Louis, Missouri NERFINISHED ⓘ |
| identifies | rolling stock of the St. Louis–San Francisco Railway ⓘ |
| industry | rail transportation ⓘ |
| languageOfAcronym | English ⓘ |
| mergedInto | Burlington Northern Railroad NERFINISHED ⓘ |
| ownerAfterMerger | Burlington Northern Railroad NERFINISHED ⓘ |
| railroadNicknamed | Frisco Lines NERFINISHED ⓘ |
| railroadType | Class I railroad ⓘ |
| railwayName | St. Louis–San Francisco Railway NERFINISHED ⓘ |
| regionServed |
Midwestern United States
ⓘ
Southern United States NERFINISHED ⓘ |
| reportingMarkFor | Frisco NERFINISHED ⓘ |
| standard | AAR reporting mark ⓘ |
| standsFor | St. Louis–San Francisco Railway NERFINISHED ⓘ |
| status | defunct reporting mark ⓘ |
| successorReportingMark |
BN
ⓘ
BNSF NERFINISHED ⓘ |
| transportMode | rail ⓘ |
| usedBy | St. Louis–San Francisco Railway NERFINISHED ⓘ |
| usedFor |
freight cars
ⓘ
locomotives ⓘ |
| usedIn | North American rail network ⓘ |
| usedUntil | 1980 ⓘ |
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: SLSF Description of subject: SLSF was the reporting mark used by the St. Louis–San Francisco Railway, commonly known as the Frisco, a major Midwestern and Southern U.S. railroad.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.