Union Pacific Railroad main line through the Mojave Desert
E478344
The Union Pacific Railroad main line through the Mojave Desert is a major transcontinental freight corridor crossing the arid Mojave region of California, historically serving depots like Kelso as key operational and service points.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Los Angeles Basin to the east via Union Pacific | 1 |
| Union Pacific Railroad main line through the Mojave Desert canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4898760 — 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: Union Pacific Railroad main line through the Mojave Desert Context triple: [Kelso Depot, railwayLine, Union Pacific Railroad main line through the Mojave Desert]
-
A.
Union Pacific West Line
The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
-
B.
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.
-
C.
Union Pacific Railroad Fresno Subdivision
The Union Pacific Railroad Fresno Subdivision is a key freight and passenger rail corridor in California’s Central Valley that carries both Union Pacific trains and Altamont Corridor Express commuter services.
-
D.
BNSF Southern Transcon
The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
-
E.
Union Pacific Railroad Coast Subdivision
The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
- 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: Union Pacific Railroad main line through the Mojave Desert Target entity description: The Union Pacific Railroad main line through the Mojave Desert is a major transcontinental freight corridor crossing the arid Mojave region of California, historically serving depots like Kelso as key operational and service points.
-
A.
Union Pacific West Line
The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
-
B.
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.
-
C.
Union Pacific Railroad Fresno Subdivision
The Union Pacific Railroad Fresno Subdivision is a key freight and passenger rail corridor in California’s Central Valley that carries both Union Pacific trains and Altamont Corridor Express commuter services.
-
D.
BNSF Southern Transcon
The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
-
E.
Union Pacific Railroad Coast Subdivision
The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
freight rail corridor
ⓘ
railway line ⓘ |
| associatedWith | American transcontinental rail system ⓘ |
| connects | Inland Empire region of California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| currentlySupports | diesel-electric locomotive operations ⓘ |
| electrification | not electrified ⓘ |
| environment | desert climate ⓘ |
| gauge | standard gauge ⓘ |
| historicallyServed |
Kelso
ⓘ
Kelso depot ⓘ
linked to:
Kelso Depot
|
| historicallySupported | steam locomotive operations ⓘ |
| historicalRole |
key operational corridor for Union Pacific
ⓘ
served desert depots for crew and locomotive services ⓘ |
| importance | major west–east freight artery ⓘ |
| infrastructureType |
double-track segments
ⓘ
signaled main line ⓘ |
| isPartOf | transcontinental rail route ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Mojave Desert ⓘ |
| nearbyHistoricSite |
Kelso Depot Visitor Center
ⓘ
linked to:
Kelso Depot
|
| operator | Union Pacific Railroad ⓘ |
| partOf |
Union Pacific Railroad network
ⓘ
linked to:
Union Pacific Railroad
|
| passesThrough | Mojave National Preserve area ⓘ |
| primaryTraffic |
bulk commodities
ⓘ
intermodal freight ⓘ |
| regionType | remote rural area ⓘ |
| traverses | arid region ⓘ |
| usedFor |
freight transportation
ⓘ
transcontinental rail traffic ⓘ |
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: Union Pacific Railroad main line through the Mojave Desert Description of subject: The Union Pacific Railroad main line through the Mojave Desert is a major transcontinental freight corridor crossing the arid Mojave region of California, historically serving depots like Kelso as key operational and service points.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Union Pacific Railroad main line through the Mojave Desert