91/PV Line
E502539
91/PV Line is a Southern California Metrolink commuter rail route that connects Los Angeles with Riverside and Perris along the 91/Perris Valley corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 91/PV Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5226510 — 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: 91/PV Line Context triple: [Metrolink 91/Perris Valley Line, alternativeName, 91/PV Line]
-
A.
Line 9
Line 9 is a line of the Mexico City Metro system that serves as one of its key rapid transit routes across the city.
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B.
Line 9
Line 9 is a rapid transit line of the Beijing Subway system that serves as part of the city's urban rail network.
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C.
Line 9
Line 9 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou, China.
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D.
Line 9
Line 9 is a major Barcelona Metro line designed as a long, partially automated route connecting key suburban and airport areas with the wider metropolitan network.
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E.
Line 9
Line 9 is a rapid transit line of the Shenzhen Metro system in Shenzhen, China, serving several key districts in the city.
- 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: 91/PV Line Target entity description: 91/PV Line is a Southern California Metrolink commuter rail route that connects Los Angeles with Riverside and Perris along the 91/Perris Valley corridor.
-
A.
Line 9
Line 9 is a line of the Mexico City Metro system that serves as one of its key rapid transit routes across the city.
-
B.
Line 9
Line 9 is a rapid transit line of the Beijing Subway system that serves as part of the city's urban rail network.
-
C.
Line 9
Line 9 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou, China.
-
D.
Line 9
Line 9 is a major Barcelona Metro line designed as a long, partially automated route connecting key suburban and airport areas with the wider metropolitan network.
-
E.
Line 9
Line 9 is a rapid transit route within the STC Metro system, serving as one of its numbered urban rail lines.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Metrolink line
ⓘ
commuter rail line ⓘ |
| connectsCity |
Los Angeles, California
NERFINISHED
ⓘ
Perris, California NERFINISHED ⓘ Riverside, California NERFINISHED ⓘ |
| connectsWith |
Inland Empire–Orange County Line at Riverside–Downtown
NERFINISHED
ⓘ
Orange County Line (via shared corridor segments) NERFINISHED ⓘ Riverside Line at Riverside–Downtown NERFINISHED ⓘ San Bernardino Line at Los Angeles Union Station NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | none ⓘ |
| fareSystem | Metrolink fare system ⓘ |
| followsCorridor | 91/Perris Valley corridor ⓘ |
| hasServicePattern | peak‑oriented commuter service ⓘ |
| locatedIn | Southern California ⓘ |
| operator |
Metrolink
NERFINISHED
ⓘ
Southern California Regional Rail Authority NERFINISHED ⓘ |
| ownerOfInfrastructure | Southern California Regional Rail Authority NERFINISHED ⓘ |
| partOfNetwork | Metrolink (Southern California) commuter rail system NERFINISHED ⓘ |
| propulsion | diesel ⓘ |
| railwaySignalling | wayside signalling ⓘ |
| regionServed |
Los Angeles County
NERFINISHED
ⓘ
Orange County NERFINISHED ⓘ Riverside County NERFINISHED ⓘ |
| serviceType | commuter rail ⓘ |
| terminus |
Los Angeles Union Station
NERFINISHED
ⓘ
Perris–South station NERFINISHED ⓘ Riverside–Downtown station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRailCorridor | BNSF Railway main line (portion) 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: 91/PV Line Description of subject: 91/PV Line is a Southern California Metrolink commuter rail route that connects Los Angeles with Riverside and Perris along the 91/Perris Valley corridor.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.