Santa Clara Valley Transportation Authority
E14319
The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T88422 — 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: Santa Clara Valley Transportation Authority Context triple: [San Jose, hasPublicTransitSystem, Santa Clara Valley Transportation Authority]
-
A.
Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
-
B.
Caltrain
Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
-
C.
Peninsula Corridor Joint Powers Board
The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
-
D.
BART
BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
-
E.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
- 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: Santa Clara Valley Transportation Authority Target entity description: The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
-
A.
Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
-
B.
Caltrain
Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
-
C.
Peninsula Corridor Joint Powers Board
The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
-
D.
BART
BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
-
E.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
public transit agency
ⓘ
special district ⓘ |
| collaboratesWith |
Altamont Corridor Express
ⓘ
Bay Area Rapid Transit ⓘ
linked to:
BART
Caltrain ⓘ City of San Jose ⓘ
linked to:
San Jose, California, United States
Metropolitan Transportation Commission ⓘ Santa Clara County government ⓘ
linked to:
Santa Clara County
|
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | Clipper card ⓘ |
| foundedBy | California state legislation ⓘ |
| governingBody | VTA Board of Directors ⓘ |
| hasMotto | Solutions that move you ⓘ |
| hasPart |
VTA Bus
ⓘ
linked to:
VTA bus network
VTA Capital Program ⓘ VTA Light Rail ⓘ
linked to:
VTA light rail
VTA Operations Division ⓘ VTA Paratransit ⓘ
linked to:
ADA paratransit
VTA Park-and-Ride Lots ⓘ VTA Planning Division ⓘ VTA Rapid ⓘ
linked to:
VTA bus network
VTA Transit Centers ⓘ
linked to:
VTA Park-and-Ride Lots
VTA Transit Police contracts ⓘ |
| headquartersLocation |
San Jose, California
ⓘ
linked to:
San Jose, California, United States
|
| industry | public transportation ⓘ |
| jurisdiction |
Santa Clara County, California
ⓘ
linked to:
Santa Clara County
|
| locatedIn |
Santa Clara County, California
ⓘ
linked to:
Santa Clara County
Silicon Valley ⓘ |
| operates |
VTA Bus
ⓘ
linked to:
VTA bus network
VTA Light Rail ⓘ
linked to:
VTA light rail
VTA Paratransit ⓘ
linked to:
ADA paratransit
VTA Rapid ⓘ
linked to:
VTA bus network
bus rapid transit service ⓘ bus service ⓘ express bus service ⓘ light rail service ⓘ paratransit service ⓘ |
| operatesOn |
Santa Clara Valley Transportation Authority light rail system
ⓘ
linked to:
Santa Clara Valley Transportation Authority
VTA bus network ⓘ |
| oversees | highway improvement projects in Santa Clara County ⓘ |
| regionServed |
South Bay (San Francisco Bay Area)
ⓘ
linked to:
South Bay
|
| regulates | local transportation planning in Santa Clara County ⓘ |
| serves |
San Jose, California
ⓘ
linked to:
San Jose, California, United States
Santa Clara County, California ⓘ
linked to:
Santa Clara County
Silicon Valley ⓘ |
| serviceType |
commuter transport
ⓘ
mass transit ⓘ paratransit ⓘ |
| shortName | VTA ⓘ |
| website | https://www.vta.org/ ⓘ |
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: Santa Clara Valley Transportation Authority Description of subject: The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
Referenced by (64)
Full triples — surface form annotated when it differs from this entity's canonical label.
Peninsula Corridor Joint Powers Board
→
collaboratesWith
→
Santa Clara Valley Transportation Authority
ⓘ
Santa Clara Valley Transportation Authority
→
operatesOn
→
Santa Clara Valley Transportation Authority light rail system
ⓘ
linked to: Santa Clara Valley Transportation Authority
linked to: Santa Clara Valley Transportation Authority
linked to: Santa Clara Valley Transportation Authority
San Mateo County Transit District
→
collaboratesWith
→
Santa Clara Valley Transportation Authority
ⓘ
Capitol Corridor Joint Powers Authority
→
memberAgency
→
Santa Clara Valley Transportation Authority
ⓘ
linked to: Santa Clara Valley Transportation Authority
Warm Springs/South Fremont station
→
connectsTo
→
Santa Clara Valley Transportation Authority bus services
ⓘ
linked to: Santa Clara Valley Transportation Authority
UTDC light rail vehicles
→
operatorSystem
→
Santa Clara Valley Transportation Authority light rail
ⓘ
linked to: Santa Clara Valley Transportation Authority
Downtown San Jose stations
→
partOf
→
Santa Clara Valley Transportation Authority light rail system
ⓘ
linked to: Santa Clara Valley Transportation Authority
linked to: Santa Clara Valley Transportation Authority
San Jose–Sunnyvale–Santa Clara metropolitan area
→
transportationSystem
→
Santa Clara Valley Transportation Authority
ⓘ
subject linked to:
San Jose-Sunnyvale-Santa Clara metropolitan area