Perris Valley extension
E502537
Perris Valley extension is a southern California commuter rail corridor added to Metrolink’s 91/Perris Valley Line to expand service into the Perris Valley area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Perris Valley Line extension | 1 |
| Perris Valley extension canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5226484 — 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: Perris Valley extension Context triple: [Metrolink 91/Perris Valley Line, extensionOpened, Perris Valley extension]
-
A.
Valley View
Valley View is a small village in Cuyahoga County, Ohio, known for its location in the Cuyahoga River valley and proximity to the Cuyahoga Valley National Park.
-
B.
Clayton Valley
Clayton Valley is an arid basin in western Nevada known for its significant lithium-bearing brine deposits and associated mining operations.
-
C.
Garfield Ridge
Garfield Ridge is a residential neighborhood on Chicago’s Southwest Side known for its proximity to Midway International Airport and its mix of bungalows, parks, and long-time working- and middle-class residents.
-
D.
Puente Hills
Puente Hills is a low, rolling range of hills in Southern California known for its suburban communities, open-space preserves, and former large landfill site.
-
E.
The Springs
The Springs is a themed accommodation area within Disney's Saratoga Springs Resort & Spa at Walt Disney World, styled after historic New York mineral spring retreats.
- 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: Perris Valley extension Target entity description: Perris Valley extension is a southern California commuter rail corridor added to Metrolink’s 91/Perris Valley Line to expand service into the Perris Valley area.
-
A.
Valley View
Valley View is a small village in Cuyahoga County, Ohio, known for its location in the Cuyahoga River valley and proximity to the Cuyahoga Valley National Park.
-
B.
Clayton Valley
Clayton Valley is an arid basin in western Nevada known for its significant lithium-bearing brine deposits and associated mining operations.
-
C.
Garfield Ridge
Garfield Ridge is a residential neighborhood on Chicago’s Southwest Side known for its proximity to Midway International Airport and its mix of bungalows, parks, and long-time working- and middle-class residents.
-
D.
Puente Hills
Puente Hills is a low, rolling range of hills in Southern California known for its suburban communities, open-space preserves, and former large landfill site.
-
E.
The Springs
The Springs is a themed accommodation area within Disney's Saratoga Springs Resort & Spa at Walt Disney World, styled after historic New York mineral spring retreats.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line extension
ⓘ
rail corridor ⓘ |
| commuterRailBrand |
Metrolink
ⓘ
linked to:
Metrolink (Southern California)
|
| connectsTo |
Perris, California
ⓘ
linked to:
Perris
Riverside, California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | none ⓘ |
| fareSystem | Metrolink fare system ⓘ |
| hasService | passenger service ⓘ |
| lineName |
91/Perris Valley Line
ⓘ
linked to:
Metrolink 91/Perris Valley Line
|
| locatedIn |
Riverside County, California
ⓘ
linked to:
Riverside County
Southern California ⓘ |
| modeOfTransport | rail ⓘ |
| network | Southern California Regional Rail Network ⓘ |
| operator |
Metrolink
ⓘ
linked to:
Metrolink (Southern California)
|
| owner | Riverside County Transportation Commission ⓘ |
| partOf |
91/Perris Valley Line
ⓘ
linked to:
Metrolink 91/Perris Valley Line
Metrolink system ⓘ
linked to:
Metrolink (Southern California)
|
| primaryUse | weekday commuter travel ⓘ |
| purpose | expand service into the Perris Valley area ⓘ |
| regionServed | Perris Valley area ⓘ |
| rollingStock | diesel-powered commuter rail trains ⓘ |
| serviceType | commuter rail ⓘ |
| ticketing | proof-of-payment system ⓘ |
| trackGauge | standard gauge ⓘ |
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: Perris Valley extension Description of subject: Perris Valley extension is a southern California commuter rail corridor added to Metrolink’s 91/Perris Valley Line to expand service into the Perris Valley area.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Perris Valley extension