Riverside Line
E209428
The Riverside Line is a Metrolink commuter rail route in Southern California that connects Los Angeles with cities in the Inland Empire, including Riverside.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Riverside Line canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1797552 — 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: Riverside Line Context triple: [Metrolink (Southern California), hasLine, Riverside Line]
-
A.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
B.
Hope Valley Line
The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
-
C.
S1 Line
The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
-
D.
Sunbury line
The Sunbury line is a suburban railway line in Melbourne, Australia, running between Sunbury in the northwest and the central business district.
-
E.
Avon Valley Line
The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
- 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: Riverside Line Target entity description: The Riverside Line is a Metrolink commuter rail route in Southern California that connects Los Angeles with cities in the Inland Empire, including Riverside.
-
A.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
B.
Hope Valley Line
The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
-
C.
S1 Line
The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
-
D.
Sunbury line
The Sunbury line is a suburban railway line in Melbourne, Australia, running between Sunbury in the northwest and the central business district.
-
E.
Avon Valley Line
The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Metrolink line
ⓘ
commuter rail line ⓘ |
| brand | Metrolink Riverside Line ⓘ |
| connectsCity |
Los Angeles
ⓘ
Riverside ⓘ |
| connectsHub |
Union Station (Los Angeles)
ⓘ
surface form:
Los Angeles Union Station
Riverside–Downtown station ⓘ
surface form:
Riverside-Downtown station
|
| connectsRegion | Inland Empire ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | non-electrified ⓘ |
| fareSystem | Metrolink fare system ⓘ |
| hasService | weekday service ⓘ |
| locatedIn | Southern California ⓘ |
| operator |
Metrolink (Southern California)
ⓘ
surface form:
Metrolink
Metrolink (Southern California) ⓘ
surface form:
Southern California Regional Rail Authority
|
| owner |
Metrolink (Southern California)
ⓘ
surface form:
Southern California Regional Rail Authority
|
| partOf |
Metrolink tram network
ⓘ
surface form:
Metrolink network
|
| primaryUse | passenger transport ⓘ |
| publicTransportCategory | regional rail ⓘ |
| railMode | heavy rail ⓘ |
| regionServed |
Los Angeles County
ⓘ
Riverside County ⓘ San Bernardino County ⓘ |
| servicePattern | commuter-oriented ⓘ |
| serviceType | commuter rail ⓘ |
| system |
Metrolink (Southern California)
ⓘ
surface form:
Metrolink
|
| terminus |
Union Station (Los Angeles)
ⓘ
surface form:
Los Angeles Union Station
Riverside–Downtown station ⓘ
surface form:
Riverside-Downtown station
|
| trackGauge | standard gauge ⓘ |
| usesRollingStock | diesel locomotive-hauled coaches ⓘ |
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: Riverside Line Description of subject: The Riverside Line is a Metrolink commuter rail route in Southern California that connects Los Angeles with cities in the Inland Empire, including Riverside.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Metrolink (Southern California)