Concord BART station
E724974
Concord BART station is a Bay Area Rapid Transit station in Concord, California, serving as a key transit hub for commuters in the eastern San Francisco Bay Area.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Concord BART station canonical | 3 |
| BART Concord station | 2 |
| BART Concord Station | 1 |
| BART North Concord/Martinez station | 1 |
| North Concord/Martinez BART station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8297021 — 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: Concord BART station Context triple: [Clayton, California, nearestBARTStation, Concord BART station]
-
A.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
B.
Fremont station (BART)
Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
-
C.
Lake Merritt BART station
Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
-
D.
Bay Point BART station
Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
-
E.
Antioch station (BART)
Antioch station (BART) is the eastern terminus of Bay Area Rapid Transit's Yellow Line, providing regional rail service to the city of Antioch, California.
- 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: Concord BART station Target entity description: Concord BART station is a Bay Area Rapid Transit station in Concord, California, serving as a key transit hub for commuters in the eastern San Francisco Bay Area.
-
A.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
B.
Fremont station (BART)
Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
-
C.
Lake Merritt BART station
Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
-
D.
Bay Point BART station
Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
-
E.
Antioch station (BART)
Antioch station (BART) is the eastern terminus of Bay Area Rapid Transit's Yellow Line, providing regional rail service to the city of Antioch, California.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
rapid transit station
ⓘ
transportation hub ⓘ |
| accessible | yes ⓘ |
| bicycleFacilities | yes ⓘ |
| category |
BART stations in Contra Costa County, California
ⓘ
Railway stations in the United States opened in 1973 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareZone | 3 ⓘ |
| formerTerminusOf | Pittsburg/Bay Point line ⓘ |
| hasAdjacentStation |
North Concord/Martinez BART station
ⓘ
linked to:
Concord BART station
Pleasant Hill/Contra Costa Centre BART station ⓘ
linked to:
Pleasant Hill/Contra Costa Centre station
|
| hasConnection | bus services ⓘ |
| isKeyTransitHubFor | eastern San Francisco Bay Area ⓘ |
| line |
Antioch–SFO+Millbrae line
ⓘ
linked to:
BART Antioch–SFO+Millbrae line
|
| locatedIn |
California
ⓘ
linked to:
California, United States
Concord, California ⓘ
linked to:
Concord, California, United States
Contra Costa County, California ⓘ
linked to:
Contra Costa County
United States ⓘ
linked to:
United States of America
|
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1973-05-21 ⓘ |
| operator |
Bay Area Rapid Transit
ⓘ
linked to:
BART
|
| owner | Bay Area Rapid Transit District ⓘ |
| parkingAvailable | yes ⓘ |
| platformType | island platform ⓘ |
| serves |
Concord, California
ⓘ
linked to:
Concord, California, United States
eastern San Francisco Bay Area commuters ⓘ |
| structureType | elevated ⓘ |
| system |
Bay Area Rapid Transit
ⓘ
linked to:
BART
|
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: Concord BART station Description of subject: Concord BART station is a Bay Area Rapid Transit station in Concord, California, serving as a key transit hub for commuters in the eastern San Francisco Bay Area.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Concord BART station
subject linked to:
County Connection bus system
linked to: Concord BART station
linked to: Concord BART station
linked to: Concord BART station
linked to: Concord BART station