Hayward station
E393034
Hayward station is a Bay Area Rapid Transit (BART) station in Hayward, California, serving as a key stop on the system’s East Bay corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hayward station canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T3835792 — 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: Hayward station Context triple: [Berryessa/North San José–Richmond line, connectsStation, Hayward station]
-
A.
Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
-
B.
Riverside station
Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
-
C.
San Mateo station
San Mateo station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit point for Peninsula rail passengers between San Francisco and San Jose.
-
D.
Palo Alto station
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.
-
E.
Stadium Station
Stadium Station is a light rail station in Seattle’s SoDo neighborhood that primarily serves the nearby sports stadiums and industrial area.
- 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: Hayward station Target entity description: Hayward station is a Bay Area Rapid Transit (BART) station in Hayward, California, serving as a key stop on the system’s East Bay corridor.
-
A.
Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
-
B.
Riverside station
Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
-
C.
San Mateo station
San Mateo station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit point for Peninsula rail passengers between San Francisco and San Jose.
-
D.
Palo Alto station
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.
-
E.
Stadium Station
Stadium Station is a light rail station in Seattle’s SoDo neighborhood that primarily serves the nearby sports stadiums and industrial area.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Bay Area Rapid Transit station
ⓘ
rapid transit station ⓘ |
| connectsTo |
AC Transit bus services
ⓘ
linked to:
AC Transit
|
| hasAccessibility | wheelchair accessible ⓘ |
| hasAdjacentStation |
Bay Fair station
ⓘ
Castro Valley station ⓘ San Leandro station ⓘ South Hayward station ⓘ |
| hasAmenities |
elevators
ⓘ
escalators ⓘ restrooms ⓘ |
| hasBicycleFacilities |
bicycle lockers
ⓘ
bicycle racks ⓘ |
| hasCode | BART station code: HAY ⓘ |
| hasElectrification | third rail ⓘ |
| hasFareControl | faregates ⓘ |
| hasFareZone | BART fare system ⓘ |
| hasNearbyFacility | downtown Hayward ⓘ |
| hasNearbyRoad |
A Street
ⓘ
Mission Boulevard ⓘ |
| hasNumberOfPlatforms | 1 ⓘ |
| hasNumberOfTracks | 2 ⓘ |
| hasParking | park-and-ride lot ⓘ |
| hasPlatformType | island platform ⓘ |
| hasSecurity | BART Police patrols ⓘ |
| hasServicePattern |
all-day service
ⓘ
weekday peak service ⓘ |
| hasStructureType | elevated station ⓘ |
| hasTicketing | BART ticket vending machines ⓘ |
| hasTicketingSystem | Clipper card compatible ⓘ |
| hasTransitMode | heavy rail ⓘ |
| isKeyStopOn |
BART East Bay corridor
ⓘ
linked to:
East Bay BART corridor
|
| isOnCorridor |
BART East Bay main line
ⓘ
linked to:
East Bay BART corridor
|
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
California ⓘ
linked to:
California, United States
Hayward, California ⓘ
linked to:
Hayward
United States ⓘ
linked to:
United States of America
|
| opened | 1972 ⓘ |
| operatedBy |
Bay Area Rapid Transit
ⓘ
linked to:
BART
|
| ownedBy | Bay Area Rapid Transit District ⓘ |
| partOf |
BART Green Line
ⓘ
BART Orange Line ⓘ Bay Area Rapid Transit ⓘ
linked to:
BART
|
| serves | East Bay corridor ⓘ |
| servesCity | Hayward ⓘ |
| servesRegion | San Francisco Bay Area ⓘ |
| usesTrackGauge | broad gauge (5 ft 6 in) ⓘ |
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: Hayward station Description of subject: Hayward station is a Bay Area Rapid Transit (BART) station in Hayward, California, serving as a key stop on the system’s East Bay corridor.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.