Mountain View Caltrain station
E561826
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mountain View Caltrain station canonical | 2 |
| Caltrain Mountain View station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6007230 — 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: Mountain View Caltrain station Context triple: [Castro Street, Mountain View, near, Mountain View Caltrain station]
-
A.
Burlingame Caltrain station
Burlingame Caltrain station is a commuter rail station in Burlingame, California, served by Caltrain trains along the San Francisco Peninsula corridor.
-
B.
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.
-
C.
San Bruno Caltrain station
San Bruno Caltrain station is a commuter rail stop on Caltrain’s Peninsula corridor serving passengers in the city of San Bruno, south of San Francisco.
-
D.
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.
-
E.
Belmont Caltrain station
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.
- 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: Mountain View Caltrain station Target entity description: 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.
-
A.
Burlingame Caltrain station
Burlingame Caltrain station is a commuter rail station in Burlingame, California, served by Caltrain trains along the San Francisco Peninsula corridor.
-
B.
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.
-
C.
San Bruno Caltrain station
San Bruno Caltrain station is a commuter rail stop on Caltrain’s Peninsula corridor serving passengers in the city of San Bruno, south of San Francisco.
-
D.
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.
-
E.
Belmont Caltrain station
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.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | commuter rail station ⓘ |
| adjacentTo | VTA Downtown Mountain View light rail station ⓘ |
| category |
Caltrain stations in Santa Clara County, California
ⓘ
Railway stations in Santa Clara County, California ⓘ Transportation in Mountain View, California ⓘ |
| connectsTo |
Santa Clara Valley Transportation Authority transit network
ⓘ
VTA bus services ⓘ VTA light rail ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | Caltrain zone-based fare system ⓘ |
| hasConnection | regional transit network of the San Francisco Bay Area ⓘ |
| hasFacility |
bicycle parking
ⓘ
bus bays ⓘ light rail platforms ⓘ park-and-ride parking ⓘ |
| hasService |
commuter rail
ⓘ
light rail ⓘ local bus ⓘ |
| isTransitHubOf |
Mountain View, California
ⓘ
linked to:
Mountain View, California, United States
Silicon Valley ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Mountain View, California ⓘ
linked to:
Mountain View
Santa Clara County, California ⓘ
linked to:
Santa Clara County
United States ⓘ
linked to:
United States of America
|
| numberOfTracks | 2 ⓘ |
| operator | Caltrain ⓘ |
| owner | Caltrain ⓘ |
| partOf |
Caltrain commuter rail network
ⓘ
linked to:
Caltrain
|
| platformConfiguration | 2 side platforms ⓘ |
| railLine |
Caltrain main line
ⓘ
linked to:
San Francisco–San Jose rail corridor
|
| servedBy | Caltrain ⓘ |
| servesArea |
Silicon Valley employment centers
ⓘ
downtown Mountain View ⓘ |
| structureType | at-grade ⓘ |
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: Mountain View Caltrain station Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.