Metrolink Riverside Line
E763454
The Metrolink Riverside Line is a Southern California commuter rail route that links Riverside County with downtown Los Angeles, serving intermediate communities along the corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Metrolink Riverside Line canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T8514062 — 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: Metrolink Riverside Line Context triple: [Metrolink Ventura County Line, connectsWith, Metrolink Riverside Line]
-
A.
Metrolink San Bernardino Line
The Metrolink San Bernardino Line is a Southern California commuter rail route connecting San Bernardino and surrounding Inland Empire communities with downtown Los Angeles.
-
B.
Metrolink 91/Perris Valley Line
Metrolink 91/Perris Valley Line is a Southern California commuter rail route connecting Los Angeles with Riverside and the Perris Valley, providing regional passenger service through the Inland Empire.
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C.
Metrolink Inland Empire–Orange County Line
The Metrolink Inland Empire–Orange County Line is a Southern California commuter rail route connecting cities in the Inland Empire with destinations in Orange County and beyond.
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D.
Metrolink Antelope Valley Line
The Metrolink Antelope Valley Line is a Southern California commuter rail route that connects Los Angeles with communities in the Antelope Valley, including Lancaster and Palmdale.
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E.
Metrolink Ventura County Line
Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
- 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: Metrolink Riverside Line Target entity description: The Metrolink Riverside Line is a Southern California commuter rail route that links Riverside County with downtown Los Angeles, serving intermediate communities along the corridor.
-
A.
Metrolink San Bernardino Line
The Metrolink San Bernardino Line is a Southern California commuter rail route connecting San Bernardino and surrounding Inland Empire communities with downtown Los Angeles.
-
B.
Metrolink 91/Perris Valley Line
Metrolink 91/Perris Valley Line is a Southern California commuter rail route connecting Los Angeles with Riverside and the Perris Valley, providing regional passenger service through the Inland Empire.
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C.
Metrolink Inland Empire–Orange County Line
The Metrolink Inland Empire–Orange County Line is a Southern California commuter rail route connecting cities in the Inland Empire with destinations in Orange County and beyond.
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D.
Metrolink Antelope Valley Line
The Metrolink Antelope Valley Line is a Southern California commuter rail route that connects Los Angeles with communities in the Antelope Valley, including Lancaster and Palmdale.
-
E.
Metrolink Ventura County Line
Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
Metrolink line
ⓘ
commuter rail line ⓘ |
| connectsWith |
Amtrak Pacific Surfliner at Union Station
NERFINISHED
ⓘ
Los Angeles Metro Rail at Union Station NERFINISHED ⓘ Metrolink 91/Perris Valley Line NERFINISHED ⓘ Metrolink Orange County Line NERFINISHED ⓘ Metrolink San Bernardino Line NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | not electrified ⓘ |
| endPoint | Los Angeles Union Station NERFINISHED ⓘ |
| fareSystem | Metrolink fare system ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Southern California ⓘ |
| operator |
Metrolink
NERFINISHED
ⓘ
Southern California Regional Rail Authority NERFINISHED ⓘ |
| owner | Southern California Regional Rail Authority NERFINISHED ⓘ |
| primaryCityServed |
Los Angeles, California
NERFINISHED
ⓘ
Riverside, California NERFINISHED ⓘ |
| propulsion | diesel ⓘ |
| regionServed |
Greater Los Angeles
NERFINISHED
ⓘ
Inland Empire NERFINISHED ⓘ |
| routeDescription | links Riverside County with downtown Los Angeles ⓘ |
| serves |
Los Angeles County
NERFINISHED
ⓘ
Riverside County NERFINISHED ⓘ |
| servesIntermediateCommunities | communities along the corridor between Riverside and Los Angeles ⓘ |
| servicePattern | weekday-focused commuter service ⓘ |
| serviceType | commuter rail ⓘ |
| startPoint | Riverside-Downtown station NERFINISHED ⓘ |
| status | operational ⓘ |
| terminus |
Los Angeles Union Station
NERFINISHED
ⓘ
Riverside-Downtown station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRailroadCorridor | Union Pacific Railroad 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: Metrolink Riverside Line Description of subject: The Metrolink Riverside Line is a Southern California commuter rail route that links Riverside County with downtown Los Angeles, serving intermediate communities along the corridor.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.