Pleasant Hill/Contra Costa Centre station
E681410
Pleasant Hill/Contra Costa Centre station is a Bay Area Rapid Transit (BART) station in Contra Costa County, California, serving the Pleasant Hill and Contra Costa Centre communities along the Pittsburg/Bay Point–SFO/Millbrae line.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Pleasant Hill/Contra Costa Centre station canonical | 2 |
| BART Pleasant Hill/Contra Costa Centre station | 1 |
| Pleasant Hill/Contra Costa Centre BART station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7678856 — 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: Pleasant Hill/Contra Costa Centre station Context triple: [Pleasant Hill, California, nearestBARTStation, Pleasant Hill/Contra Costa Centre station]
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A.
Emeryville station
Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
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B.
Castro Valley station
Castro Valley station is a Bay Area Rapid Transit (BART) station in Castro Valley, California, serving as a regional commuter rail stop in the East Bay.
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C.
Walnut Creek station
Walnut Creek station is a Bay Area Rapid Transit (BART) station in Walnut Creek, California, serving as a key transit hub for commuters in the East Bay region.
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D.
Alameda station
Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
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E.
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.
- 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: Pleasant Hill/Contra Costa Centre station Target entity description: Pleasant Hill/Contra Costa Centre station is a Bay Area Rapid Transit (BART) station in Contra Costa County, California, serving the Pleasant Hill and Contra Costa Centre communities along the Pittsburg/Bay Point–SFO/Millbrae line.
-
A.
Emeryville station
Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
-
B.
Castro Valley station
Castro Valley station is a Bay Area Rapid Transit (BART) station in Castro Valley, California, serving as a regional commuter rail stop in the East Bay.
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C.
Walnut Creek station
Walnut Creek station is a Bay Area Rapid Transit (BART) station in Walnut Creek, California, serving as a key transit hub for commuters in the East Bay region.
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D.
Alameda station
Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
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E.
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.
- F. None of above. chosen
Statements (47)
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: Pleasant Hill/Contra Costa Centre station Description of subject: Pleasant Hill/Contra Costa Centre station is a Bay Area Rapid Transit (BART) station in Contra Costa County, California, serving the Pleasant Hill and Contra Costa Centre communities along the Pittsburg/Bay Point–SFO/Millbrae line.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pleasant Hill/Contra Costa Centre station
linked to: Pleasant Hill/Contra Costa Centre station