BNSF San Bernardino Subdivision
E706271
The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BNSF San Bernardino Subdivision canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8030180 — 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 San Bernardino Subdivision Context triple: [San Bernardino–Santa Fe Depot, partOf, BNSF San Bernardino Subdivision]
-
A.
BNSF Seligman Subdivision
BNSF Seligman Subdivision is a major freight and passenger rail line in northern Arizona that forms part of the transcontinental route between Southern California and the Midwest.
-
B.
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.
-
C.
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.
-
D.
Union Pacific Railroad Mojave Subdivision
The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
-
E.
BNSF La Junta Subdivision
BNSF La Junta Subdivision is a major freight and passenger rail line in the BNSF Railway network running through southeastern Colorado and surrounding regions.
- 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 San Bernardino Subdivision Target entity description: The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
-
A.
BNSF Seligman Subdivision
BNSF Seligman Subdivision is a major freight and passenger rail line in northern Arizona that forms part of the transcontinental route between Southern California and the Midwest.
-
B.
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.
-
C.
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.
-
D.
Union Pacific Railroad Mojave Subdivision
The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
-
E.
BNSF La Junta Subdivision
BNSF La Junta Subdivision is a major freight and passenger rail line in the BNSF Railway network running through southeastern Colorado and surrounding regions.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
freight rail line
ⓘ
railway line ⓘ |
| connectsTo |
BNSF Cajon Subdivision
NERFINISHED
ⓘ
BNSF Needles Subdivision NERFINISHED ⓘ BNSF Transcon main line NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | none ⓘ |
| function | key corridor for transcontinental rail traffic ⓘ |
| hasEndpoint | San Bernardino area (approximate western/central anchor) NERFINISHED ⓘ |
| hasTrackConfiguration | double track (in significant portions) ⓘ |
| hasTrainControl | Positive Train Control (PTC) (implemented on BNSF main lines) NERFINISHED ⓘ |
| importance | major freight artery in Southern California ⓘ |
| infrastructureType | heavy rail ⓘ |
| interchangesWith | other Class I railroads in Southern California (via connecting yards and junctions) ⓘ |
| locatedIn | Southern California ⓘ |
| locatedInState |
California, United States
ⓘ
surface form:
California
|
| openTo | freight traffic only (primarily) ⓘ |
| operator | BNSF Railway NERFINISHED ⓘ |
| owner | BNSF Railway NERFINISHED ⓘ |
| partOf |
BNSF Railway network
NERFINISHED
ⓘ
North American freight rail network NERFINISHED ⓘ |
| partOfCorridor | BNSF Southern Transcon NERFINISHED ⓘ |
| primaryUse | freight transportation ⓘ |
| railGauge | standard gauge ⓘ |
| regionServed |
Greater Los Angeles area
NERFINISHED
ⓘ
Inland Empire NERFINISHED ⓘ |
| signallingSystem | Centralized Traffic Control NERFINISHED ⓘ |
| trafficType |
intermodal freight
ⓘ
manifest freight ⓘ unit trains ⓘ |
| usedBy | BNSF Railway freight 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 San Bernardino Subdivision Description of subject: The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.