Amtrak services at Los Angeles Union Station
E303686
Amtrak services at Los Angeles Union Station comprise a major hub of intercity passenger rail routes linking Los Angeles with regional and long-distance destinations across California and the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Amtrak Pacific Surfliner at Union Station | 1 |
| Amtrak services at Los Angeles Union Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2851853 — 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: Amtrak services at Los Angeles Union Station Context triple: [LA Metro A Line, connectsWith, Amtrak services at Los Angeles Union Station]
-
A.
Amtrak services at Chicago Union Station
Amtrak services at Chicago Union Station comprise a major hub of intercity passenger rail routes connecting Chicago with numerous destinations across the United States.
-
B.
Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
-
C.
Metrolink at Union Station
Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
-
D.
Madera Amtrak station
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
-
E.
Long Beach–Penn Station trains
Long Beach–Penn Station trains are Long Island Rail Road commuter services that connect Long Beach on Long Island’s South Shore with New York City’s Pennsylvania Station.
- 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: Amtrak services at Los Angeles Union Station Target entity description: Amtrak services at Los Angeles Union Station comprise a major hub of intercity passenger rail routes linking Los Angeles with regional and long-distance destinations across California and the United States.
-
A.
Amtrak services at Chicago Union Station
Amtrak services at Chicago Union Station comprise a major hub of intercity passenger rail routes connecting Chicago with numerous destinations across the United States.
-
B.
Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
-
C.
Metrolink at Union Station
Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
-
D.
Madera Amtrak station
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
-
E.
Long Beach–Penn Station trains
Long Beach–Penn Station trains are Long Island Rail Road commuter services that connect Long Beach on Long Island’s South Shore with New York City’s Pennsylvania Station.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
intercity rail service
ⓘ
passenger rail service hub ⓘ |
| connectsTo |
Arizona destinations via Amtrak Thruway buses (service patterns may vary)
ⓘ
Bakersfield, California via Amtrak Thruway buses ⓘ Chicago, Illinois via Southwest Chief ⓘ Fresno, California via Amtrak Thruway buses ⓘ Goleta, California via Pacific Surfliner ⓘ Houston, Texas via Sunset Limited ⓘ Las Vegas, Nevada via Amtrak Thruway buses (service patterns may vary) ⓘ Midwest destinations via Texas Eagle through-cars ⓘ New Orleans, Louisiana via Sunset Limited ⓘ Palm Springs area via Amtrak Thruway buses (seasonal or limited) ⓘ Portland, Oregon via Coast Starlight ⓘ San Antonio, Texas via Sunset Limited ⓘ San Antonio, Texas via Texas Eagle through-cars ⓘ San Diego, California via Pacific Surfliner ⓘ San Joaquin Valley cities via Amtrak Thruway buses ⓘ San Luis Obispo, California via Pacific Surfliner ⓘ Santa Barbara, California via Pacific Surfliner ⓘ Seattle, Washington via Coast Starlight ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | Amtrak national fare system ⓘ |
| interchangeWith |
Los Angeles Metro Rail
ⓘ
Metrolink commuter rail ⓘ local and regional bus services ⓘ |
| locatedIn |
Los Angeles Union Station
ⓘ
linked to:
Union Station (Los Angeles)
Los Angeles, California ⓘ |
| offers |
business class on selected routes such as Pacific Surfliner
ⓘ
checked baggage service on many long-distance trains ⓘ onboard food and beverage service ⓘ sleeping car accommodations on long-distance trains ⓘ |
| operator | Amtrak ⓘ |
| ownedBy |
Amtrak (rolling stock and services)
ⓘ
linked to:
Amtrak
|
| primaryFunction | link Los Angeles with regional and long-distance destinations across California and the United States ⓘ |
| railLine |
Amtrak Thruway bus services
ⓘ
linked to:
Amtrak Thruway Motorcoach
Coast Starlight ⓘ Pacific Surfliner ⓘ
linked to:
Pacific Surfliner route
Southwest Chief ⓘ Sunset Limited ⓘ Texas Eagle (through-cars on Sunset Limited) ⓘ
linked to:
Amtrak Texas Eagle
|
| servesAs |
major hub for Amtrak on the West Coast
ⓘ
primary Amtrak hub for Southern California ⓘ |
| stationCode | LAX ⓘ |
| ticketingOptions |
online and mobile ticketing
ⓘ
self-service ticket kiosks ⓘ station ticket counters ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| usesInfrastructureOf | Los Angeles Union Station tracks and platforms ⓘ |
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: Amtrak services at Los Angeles Union Station Description of subject: Amtrak services at Los Angeles Union Station comprise a major hub of intercity passenger rail routes linking Los Angeles with regional and long-distance destinations across California and the United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Amtrak services at Los Angeles Union Station