Rancho Cucamonga station
E679934
Rancho Cucamonga station is a commuter rail stop in Rancho Cucamonga, California, serving passengers on Southern California’s Metrolink network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rancho Cucamonga station canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7527082 — 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: Rancho Cucamonga station Context triple: [Metrolink San Bernardino Line, hasStation, Rancho Cucamonga station]
-
A.
Culver City station
Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
-
B.
Riverside–La Sierra station
Riverside–La Sierra station is a commuter rail station in Riverside, California, serving Metrolink passengers traveling within the Inland Empire and to Orange County.
-
C.
Santa Clarita station
Santa Clarita station is a commuter rail stop in Santa Clarita, California, serving passengers on Metrolink’s Antelope Valley Line between Los Angeles and the high desert communities to the north.
-
D.
Irvine station
Irvine station is a major multimodal transportation hub in Irvine, California, serving commuter rail and bus services for the surrounding region.
-
E.
Santa Ana station
Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
- 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: Rancho Cucamonga station Target entity description: Rancho Cucamonga station is a commuter rail stop in Rancho Cucamonga, California, serving passengers on Southern California’s Metrolink network.
-
A.
Culver City station
Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
-
B.
Riverside–La Sierra station
Riverside–La Sierra station is a commuter rail station in Riverside, California, serving Metrolink passengers traveling within the Inland Empire and to Orange County.
-
C.
Santa Clarita station
Santa Clarita station is a commuter rail stop in Santa Clarita, California, serving passengers on Metrolink’s Antelope Valley Line between Los Angeles and the high desert communities to the north.
-
D.
Irvine station
Irvine station is a major multimodal transportation hub in Irvine, California, serving commuter rail and bus services for the surrounding region.
-
E.
Santa Ana station
Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Metrolink station
ⓘ
commuter rail station ⓘ |
| accessible | yes ⓘ |
| bicycleFacilities | yes ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | not electrified ⓘ |
| fareSystem | Metrolink fare system ⓘ |
| hasStationCode | RCM ⓘ |
| hasTicketing | ticket vending machines ⓘ |
| hasWaitingArea | yes ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Rancho Cucamonga, California ⓘ San Bernardino County, California ⓘ
linked to:
San Bernardino County
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| operator |
Metrolink
ⓘ
linked to:
Metrolink (Southern California)
|
| owner |
City of Rancho Cucamonga
ⓘ
linked to:
Rancho Cucamonga, California
|
| parkingAvailable | yes ⓘ |
| partOf |
Metrolink network
ⓘ
linked to:
Metrolink (Southern California)
Southern California regional rail network ⓘ
linked to:
Southern California Regional Rail Network
|
| platforms | 2 side platforms ⓘ |
| primaryUse | commuter rail passenger service ⓘ |
| publicTransitConnection | Omnitrans bus services ⓘ |
| railGauge | standard gauge ⓘ |
| regionServed |
Inland Empire, California
ⓘ
linked to:
Inland Empire region of California
|
| servedBy |
Metrolink
ⓘ
linked to:
Metrolink (Southern California)
Metrolink San Bernardino Line ⓘ |
| serves |
commuters in Rancho Cucamonga
ⓘ
commuters in San Bernardino County ⓘ |
| structureType | at-grade ⓘ |
| tracks | 2 ⓘ |
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: Rancho Cucamonga station Description of subject: Rancho Cucamonga station is a commuter rail stop in Rancho Cucamonga, California, serving passengers on Southern California’s Metrolink network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.