Palo Alto station
E23264
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Palo Alto Caltrain station | 1 |
| Palo Alto Station | 1 |
| Palo Alto station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T76664 — 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: Palo Alto station Context triple: [Caltrain, hasStation, Palo Alto station]
-
A.
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.
-
B.
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.
-
C.
Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
-
D.
Hollywood/Highland station
Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
-
E.
San Francisco 4th and King Street station
San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
- 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: Palo Alto station Target entity description: Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
-
A.
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.
-
B.
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.
-
C.
Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
-
D.
Hollywood/Highland station
Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
-
E.
San Francisco 4th and King Street station
San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Caltrain station
ⓘ
commuter rail station ⓘ railway station ⓘ |
| connectsTo |
SamTrans bus services
ⓘ
Stanford Marguerite Shuttle ⓘ VTA bus services ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead lines ⓘ |
| fareZone | Caltrain Zone 3 ⓘ |
| hasAmenity |
bicycle lockers
ⓘ
bicycle racks ⓘ restrooms ⓘ sheltered waiting areas ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasFormerOwner |
Peninsula Corridor Joint Powers Board
ⓘ
surface form:
Peninsula Corridor Joint Powers Board (right-of-way predecessor entities)
Southern Pacific Railroad ⓘ |
| hasParking | yes ⓘ |
| hasService |
Caltrain
ⓘ
surface form:
Baby Bullet Caltrain service
limited Caltrain service ⓘ local Caltrain service ⓘ |
| hasStationCode | PA ⓘ |
| hasTicketMachines | yes ⓘ |
| hasUnderpass | pedestrian tunnel ⓘ |
| hasWaitingRoom | yes ⓘ |
| isAccessible | yes ⓘ |
| isElectrified | yes ⓘ |
| isMajorStopOn |
Caltrain
ⓘ
surface form:
Caltrain line between San Francisco and San Jose
|
| isOneOfBusiestStationsOn | Caltrain ⓘ |
| isServedBy |
weekday commuter trains
ⓘ
weekend Caltrain service ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Palo Alto, California ⓘ Santa Clara County ⓘ
surface form:
Santa Clara County, California
|
| locatedOnLine |
Caltrain
ⓘ
Peninsula Subdivision ⓘ |
| nearbyLandmark |
Downtown Palo Alto
ⓘ
Stanford University ⓘ |
| numberOfTracks | 4 ⓘ |
| openingDate | 1890 ⓘ |
| operator | Caltrain ⓘ |
| owner | Caltrain ⓘ |
| platforms | 2 ⓘ |
| platformType | side platforms ⓘ |
| railGauge | standard gauge ⓘ |
| rebuiltDate | 1941 ⓘ |
| serves |
Palo Alto, California
ⓘ
Stanford University area ⓘ |
| structureType | at-grade ⓘ |
| style | Streamline Moderne ⓘ |
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: Palo Alto station Description of subject: Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Palo Alto Caltrain station
this entity surface form:
Palo Alto Station