Walnut Creek station
E301379
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Walnut Creek station canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2795920 — 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: Walnut Creek station Context triple: [Walnut Creek, California, BARTStation, Walnut Creek station]
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A.
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.
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B.
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.
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C.
Redwood City Station
Redwood City Station is a major Caltrain commuter rail stop in Redwood City, California, serving as a key transit hub along the San Francisco Peninsula.
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D.
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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E.
Sunnyvale Station
Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
- 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: Walnut Creek station Target entity description: 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.
-
A.
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.
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B.
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.
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C.
Redwood City Station
Redwood City Station is a major Caltrain commuter rail stop in Redwood City, California, serving as a key transit hub along the San Francisco Peninsula.
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D.
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.
-
E.
Sunnyvale Station
Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
- F. None of above. chosen
Statements (45)
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: Walnut Creek station Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.