San Francisco Caltrain Station
E895236
San Francisco Caltrain Station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services connecting the city with the Peninsula and Silicon Valley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Francisco Caltrain Station canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10938840 — 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: San Francisco Caltrain Station Context triple: [King Street (San Francisco), isMajorAccessRouteFor, San Francisco Caltrain Station]
-
A.
Palo Alto Caltrain Station
Palo Alto Caltrain Station is a major commuter rail station in Palo Alto, California, serving as a key transit hub for Caltrain services along the San Francisco Peninsula.
-
B.
San Mateo Caltrain Station
San Mateo Caltrain Station is a commuter rail station in San Mateo, California that serves as a key transit hub for Peninsula and Bay Area travelers.
-
C.
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.
-
D.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
E.
Mountain View Caltrain station
Mountain View Caltrain station is a commuter rail station in Mountain View, California, serving as a key transit hub in Silicon Valley with connections to local light rail and bus 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: San Francisco Caltrain Station Target entity description: San Francisco Caltrain Station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services connecting the city with the Peninsula and Silicon Valley.
-
A.
Palo Alto Caltrain Station
Palo Alto Caltrain Station is a major commuter rail station in Palo Alto, California, serving as a key transit hub for Caltrain services along the San Francisco Peninsula.
-
B.
San Mateo Caltrain Station
San Mateo Caltrain Station is a commuter rail station in San Mateo, California that serves as a key transit hub for Peninsula and Bay Area travelers.
-
C.
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.
-
D.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
E.
Mountain View Caltrain station
Mountain View Caltrain station is a commuter rail station in Mountain View, California, serving as a key transit hub in Silicon Valley with connections to local light rail and bus services.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail terminal
ⓘ
railway station ⓘ transportation hub ⓘ |
| accessible | yes ⓘ |
| connectsTo |
Muni bus services
ⓘ
Muni light rail (nearby) NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrificationStatus | served by electrified Caltrain corridor (planned/underway around 2020s) ⓘ |
| fareSystem | Clipper card NERFINISHED ⓘ |
| hasAmenity |
benches
ⓘ
lighting ⓘ sheltered platforms ⓘ signage ⓘ |
| hasFacility |
accessible platforms
ⓘ
bicycle parking ⓘ bus connections ⓘ car parking ⓘ restrooms ⓘ taxi stand ⓘ ticket machines ⓘ waiting area ⓘ |
| hasService |
Baby Bullet express trains
NERFINISHED
ⓘ
limited-stop trains ⓘ local trains ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ SoMa, San Francisco NERFINISHED ⓘ |
| near |
Mission Bay neighborhood
NERFINISHED
ⓘ
Oracle Park NERFINISHED ⓘ South Beach neighborhood NERFINISHED ⓘ |
| opened | late 20th century ⓘ |
| operatedBy | Caltrain NERFINISHED ⓘ |
| ownedBy | Caltrain NERFINISHED ⓘ |
| platformConfiguration | island platforms ⓘ |
| previousTerminusReplaced | 4th and Townsend Street station NERFINISHED ⓘ |
| primaryFunction | commuter rail terminus ⓘ |
| railwayLine | Peninsula Corridor NERFINISHED ⓘ |
| regionServed | Bay Area NERFINISHED ⓘ |
| serves |
Gilroy
NERFINISHED
ⓘ
San Francisco Peninsula NERFINISHED ⓘ San Jose NERFINISHED ⓘ Silicon Valley NERFINISHED ⓘ |
| structureType | at-grade ⓘ |
| terminusOf | Caltrain NERFINISHED ⓘ |
| ticketing | proof-of-payment system ⓘ |
| usedFor |
daily commuting
ⓘ
event travel to Oracle Park ⓘ |
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: San Francisco Caltrain Station Description of subject: San Francisco Caltrain Station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services connecting the city with the Peninsula and Silicon Valley.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
King Street (San Francisco)
subject surface form:
King Street (San Francisco)