Belmont Caltrain station
E317066
Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Belmont Caltrain station canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2982542 — 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: Belmont Caltrain station Context triple: [Belmont, California, servedBy, Belmont Caltrain station]
-
A.
Broadway Caltrain station
Broadway Caltrain station is a commuter rail stop in Burlingame, California, serving passengers on Caltrain’s Peninsula Corridor between San Francisco and San Jose.
-
B.
Burlingame Caltrain station
Burlingame Caltrain station is a commuter rail station in Burlingame, California, served by Caltrain trains along the San Francisco Peninsula corridor.
-
C.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
D.
San Jose Diridon station
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
-
E.
Daly City station
Daly City station is a Bay Area Rapid Transit (BART) rapid transit station serving the city of Daly City just south of San Francisco, California.
- 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: Belmont Caltrain station Target entity description: Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
-
A.
Broadway Caltrain station
Broadway Caltrain station is a commuter rail stop in Burlingame, California, serving passengers on Caltrain’s Peninsula Corridor between San Francisco and San Jose.
-
B.
Burlingame Caltrain station
Burlingame Caltrain station is a commuter rail station in Burlingame, California, served by Caltrain trains along the San Francisco Peninsula corridor.
-
C.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
D.
San Jose Diridon station
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
-
E.
Daly City station
Daly City station is a Bay Area Rapid Transit (BART) rapid transit station serving the city of Daly City just south of San Francisco, California.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Caltrain station
ⓘ
commuter rail station ⓘ |
| accessible | yes ⓘ |
| adjacentTo |
El Camino Real
ⓘ
Ralston Avenue NERFINISHED ⓘ |
| between |
San Francisco
ⓘ
San Jose ⓘ |
| bicycleFacilities | yes ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | 25 kV 60 Hz AC overhead (Caltrain corridor) ⓘ |
| fareSystem | Caltrain zone-based fare system ⓘ |
| fareZone | Caltrain Zone 2 ⓘ |
| hasPlatforms | 1 ⓘ |
| hasPlatformType | island platform ⓘ |
| hasStationCode | BMT ⓘ |
| hasTracks | 2 ⓘ |
| locatedIn |
Belmont, California
ⓘ
California ⓘ
linked to:
California, United States
San Mateo County, California ⓘ United States ⓘ
linked to:
United States of America
|
| opened | 1997 ⓘ |
| operator | Caltrain ⓘ |
| owner | Caltrain ⓘ |
| parkingAvailable | yes ⓘ |
| partOf |
Caltrain commuter rail network
ⓘ
linked to:
Caltrain
|
| railLine | Caltrain ⓘ |
| replaced | former ground-level Belmont station ⓘ |
| servedBy | Caltrain ⓘ |
| serves | Belmont, California ⓘ |
| serviceType | commuter rail ⓘ |
| structureType | elevated station ⓘ |
| transportationType | rail ⓘ |
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: Belmont Caltrain station Description of subject: Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.