St. Louis Southwestern Railway
E905526
St. Louis Southwestern Railway, commonly known as the Cotton Belt, was a regional U.S. railroad that primarily served the south-central states and later became part of the Southern Pacific system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| St. Louis Southwestern Railway canonical | 3 |
| St. Louis Southwestern Railway Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11105206 — 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: St. Louis Southwestern Railway Context triple: [Southern Pacific Railroad, owned, St. Louis Southwestern Railway]
-
A.
Kansas City Southern Railway
Kansas City Southern Railway was a major North American freight railroad that operated a core network linking the U.S. Midwest with the Gulf Coast and Mexico.
-
B.
St. Louis, Memphis and Southeastern Railroad
The St. Louis, Memphis and Southeastern Railroad was a regional U.S. railroad line that operated in the early 20th century, later becoming part of the St. Louis–San Francisco Railway (Frisco) system.
-
C.
Nashville, Chattanooga and St. Louis Railway
The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
-
D.
Arkansas and Louisiana Midland Railroad
The Arkansas and Louisiana Midland Railroad was a regional shortline railroad that operated freight and limited passenger service in southern Arkansas and northern Louisiana.
-
E.
Missouri Pacific Railroad
Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
- 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: St. Louis Southwestern Railway Target entity description: St. Louis Southwestern Railway, commonly known as the Cotton Belt, was a regional U.S. railroad that primarily served the south-central states and later became part of the Southern Pacific system.
-
A.
Kansas City Southern Railway
Kansas City Southern Railway was a major North American freight railroad that operated a core network linking the U.S. Midwest with the Gulf Coast and Mexico.
-
B.
St. Louis, Memphis and Southeastern Railroad
The St. Louis, Memphis and Southeastern Railroad was a regional U.S. railroad line that operated in the early 20th century, later becoming part of the St. Louis–San Francisco Railway (Frisco) system.
-
C.
Nashville, Chattanooga and St. Louis Railway
The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
-
D.
Arkansas and Louisiana Midland Railroad
The Arkansas and Louisiana Midland Railroad was a regional shortline railroad that operated freight and limited passenger service in southern Arkansas and northern Louisiana.
-
E.
Missouri Pacific Railroad
Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
railroad
ⓘ
railway company ⓘ regional railroad ⓘ |
| abbreviation | SSW ⓘ |
| alsoKnownAs |
Cotton Belt
ⓘ
Cotton Belt Route ⓘ |
| becamePartOf |
Southern Pacific Transportation Company
ⓘ
linked to:
Southern Pacific Railroad
|
| colorScheme | red and gray (under Southern Pacific) ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| gauge | standard gauge ⓘ |
| headquartersLocation |
St. Louis, Missouri
ⓘ
linked to:
St. Louis, Missouri, United States
Tyler, Texas ⓘ |
| industry | rail transport ⓘ |
| notableNicknameOrigin | named for hauling cotton from the South ⓘ |
| operated |
freight trains
ⓘ
passenger trains ⓘ |
| operatedInRegion | south-central United States ⓘ |
| operatedInState |
Arkansas
ⓘ
Illinois ⓘ Kansas ⓘ Louisiana ⓘ Missouri ⓘ Oklahoma ⓘ Tennessee ⓘ Texas ⓘ |
| operatedRailLines | main lines between St. Louis and Texas ⓘ |
| operatingStatus | defunct ⓘ |
| parentCompany |
Southern Pacific Transportation Company
ⓘ
linked to:
Southern Pacific Railroad
|
| partOf |
Southern Pacific system
ⓘ
linked to:
Southern Pacific Railroad
|
| primaryTraffic |
agricultural products
ⓘ
cotton ⓘ general freight ⓘ |
| railroadClass | Class I railroad ⓘ |
| reportingMark | SSW ⓘ |
| servedCommoditySector |
agriculture
ⓘ
bulk freight ⓘ manufactured goods ⓘ |
| servedRegion |
Gulf Coast
ⓘ
linked to:
Gulf Coast of the United States
Mississippi Valley ⓘ
linked to:
Mississippi River
Southwest ⓘ |
| successor | Union Pacific Railroad ⓘ |
| trackGauge | 1,435 mm ⓘ |
| transportMode | rail ⓘ |
| usedMotivePower |
diesel locomotives
ⓘ
steam locomotives ⓘ |
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: St. Louis Southwestern Railway Description of subject: St. Louis Southwestern Railway, commonly known as the Cotton Belt, was a regional U.S. railroad that primarily served the south-central states and later became part of the Southern Pacific system.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Cotton Belt Route (through St. Louis Southwestern Railway)
subject linked to:
Cotton Belt Route (through St. Louis Southwestern Railway)
linked to: St. Louis Southwestern Railway