BNSF Railway (Raton Subdivision, historically/partly)
E507683
BNSF Railway’s Raton Subdivision is a rail line in the American Southwest, historically known for its steep, scenic crossing of Raton Pass as part of a key transcontinental route.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BNSF Railway (Raton Subdivision, historically/partly) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5268858 — 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: BNSF Railway (Raton Subdivision, historically/partly) Context triple: [Raton Pass, traversedBy, BNSF Railway (Raton Subdivision, historically/partly)]
-
A.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
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B.
BNSF Railway Monticello Subdivision
The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
-
C.
Union Pacific Railroad Niles Subdivision
The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
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D.
Union Pacific Railroad Tracy Subdivision
The Union Pacific Railroad Tracy Subdivision is a freight and passenger rail line in California’s Central Valley and Altamont Pass area that serves as a key route for both Union Pacific operations and commuter services like the Altamont Corridor Express.
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E.
Burlington Northern Santa Fe Railway main line
The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, 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: BNSF Railway (Raton Subdivision, historically/partly) Target entity description: BNSF Railway’s Raton Subdivision is a rail line in the American Southwest, historically known for its steep, scenic crossing of Raton Pass as part of a key transcontinental route.
-
A.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
-
B.
BNSF Railway Monticello Subdivision
The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
-
C.
Union Pacific Valley Subdivision
The Union Pacific Valley Subdivision is a railroad line operated by Union Pacific that serves as a key freight corridor within its regional rail network.
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D.
Union Pacific Railroad Niles Subdivision
The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
-
E.
Union Pacific Railroad Tracy Subdivision
The Union Pacific Railroad Tracy Subdivision is a freight and passenger rail line in California’s Central Valley and Altamont Pass area that serves as a key route for both Union Pacific operations and commuter services like the Altamont Corridor Express.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
railroad subdivision
ⓘ
railway line ⓘ |
| constructionType | conventional heavy rail ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Raton Pass NERFINISHED ⓘ |
| electrification | non-electrified ⓘ |
| gauge | standard gauge ⓘ |
| hasFeature |
mountain grades
ⓘ
sharp curves ⓘ tunnels ⓘ |
| historicallyPartOf | Santa Fe Railway main line NERFINISHED ⓘ |
| historicallyUsedBy | Atchison Topeka and Santa Fe Railway NERFINISHED ⓘ |
| historicalRole | part of a key transcontinental rail route ⓘ |
| historicalSignificance | early rail crossing of the Rocky Mountains in the Southwest ⓘ |
| knownFor |
Raton Pass alignment
NERFINISHED
ⓘ
scenic mountain crossing ⓘ steep grades ⓘ |
| locatedIn |
American Southwest
NERFINISHED
ⓘ
Colorado ⓘ New Mexico ⓘ |
| operator | BNSF Railway NERFINISHED ⓘ |
| owner | BNSF Railway NERFINISHED ⓘ |
| partOf | BNSF Railway network NERFINISHED ⓘ |
| partOfRoute | Chicago–Los Angeles rail corridor (historically) NERFINISHED ⓘ |
| passesNear |
Raton New Mexico
NERFINISHED
ⓘ
Trinidad Colorado NERFINISHED ⓘ |
| regionServed | southern Rocky Mountains ⓘ |
| terrain | mountainous ⓘ |
| usedBy |
freight trains
ⓘ
passenger trains ⓘ |
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: BNSF Railway (Raton Subdivision, historically/partly) Description of subject: BNSF Railway’s Raton Subdivision is a rail line in the American Southwest, historically known for its steep, scenic crossing of Raton Pass as part of a key transcontinental route.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.