Los Angeles–Seattle rail corridor
E504057
The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Los Angeles–Seattle rail corridor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5219718 — 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: Los Angeles–Seattle rail corridor Context triple: [Pacific Parlour Car, operatedOnLine, Los Angeles–Seattle rail corridor]
-
A.
Empire Corridor
The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
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B.
Los Angeles–New Orleans rail corridor
The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
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C.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
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D.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
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E.
West Coast Express
West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
- 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: Los Angeles–Seattle rail corridor Target entity description: The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
-
A.
Empire Corridor
The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
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B.
Los Angeles–New Orleans rail corridor
The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
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C.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
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D.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
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E.
West Coast Express
West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
intercity rail corridor
ⓘ
long-distance rail route ⓘ passenger rail corridor ⓘ |
| alsoUsedFor | freight rail traffic ⓘ |
| approximateLength | about 1,377 miles ⓘ |
| connectsRegion |
Pacific Northwest
NERFINISHED
ⓘ
Southern California NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| followsFeature | Pacific coast ⓘ |
| locatedIn |
western United States
ⓘ
surface form:
Western United States
|
| majorStation |
Eugene station
NERFINISHED
ⓘ
Klamath Falls station NERFINISHED ⓘ Los Angeles Union Station NERFINISHED ⓘ Oakland Jack London Square station NERFINISHED ⓘ Portland Union Station NERFINISHED ⓘ Sacramento Valley Station NERFINISHED ⓘ Salem station (Oregon) NERFINISHED ⓘ Salinas station NERFINISHED ⓘ San Jose Diridon station NERFINISHED ⓘ San Luis Obispo station NERFINISHED ⓘ Santa Barbara station NERFINISHED ⓘ Seattle King Street Station NERFINISHED ⓘ Tacoma Dome Station vicinity (shared corridor) ⓘ |
| passesThroughCity |
Eugene
NERFINISHED
ⓘ
Klamath Falls NERFINISHED ⓘ Los Angeles NERFINISHED ⓘ Oakland NERFINISHED ⓘ Portland NERFINISHED ⓘ Redding NERFINISHED ⓘ Sacramento NERFINISHED ⓘ San Jose NERFINISHED ⓘ San Luis Obispo NERFINISHED ⓘ Santa Barbara NERFINISHED ⓘ Seattle NERFINISHED ⓘ Tacoma NERFINISHED ⓘ |
| passesThroughState |
California
NERFINISHED
ⓘ
Oregon NERFINISHED ⓘ Washington NERFINISHED ⓘ |
| primaryOperator | Amtrak NERFINISHED ⓘ |
| primaryUse | intercity passenger rail ⓘ |
| servedBy |
Amtrak Cascades (Eugene–Seattle segment)
NERFINISHED
ⓘ
Amtrak Coast Starlight NERFINISHED ⓘ Amtrak Pacific Surfliner (Los Angeles–San Luis Obispo segment) NERFINISHED ⓘ Metrolink (Southern California segment, shared tracks) NERFINISHED ⓘ Sound Transit Sounder (Seattle-area segment, shared tracks) NERFINISHED ⓘ |
| terminusA | Los Angeles, California NERFINISHED ⓘ |
| terminusB | Seattle, Washington NERFINISHED ⓘ |
| usesRailLine |
BNSF Scenic Subdivision
NERFINISHED
ⓘ
BNSF Seattle Subdivision NERFINISHED ⓘ BNSF Seattle–Portland main line NERFINISHED ⓘ Coast Line (Union Pacific Railroad) NERFINISHED ⓘ Union Pacific Los Angeles Subdivision NERFINISHED ⓘ |
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: Los Angeles–Seattle rail corridor Description of subject: The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Pacific Parlour Car