San Francisco 3rd and Townsend Street station
E133995
San Francisco 3rd and Townsend Street station was a former Caltrain commuter rail terminal in San Francisco that served as the line’s city terminus before operations moved to the nearby 4th and King Street station.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Francisco 3rd and Townsend Street station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1036280 — 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: San Francisco 3rd and Townsend Street station Context triple: [San Francisco 4th and King Street station, replaced, San Francisco 3rd and Townsend Street station]
-
A.
San Francisco 4th and King Street station
San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
-
B.
Union Square/Market Street station
Union Square/Market Street station is an underground San Francisco Muni Metro station serving the Central Subway near the Union Square and Market Street area.
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C.
Montgomery Street station
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
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D.
Yerba Buena/Moscone station
Yerba Buena/Moscone station is an underground San Francisco Muni Metro stop serving the SoMa area and the nearby Moscone Center convention complex.
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E.
Downtown Berkeley station
Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, 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: San Francisco 3rd and Townsend Street station Target entity description: San Francisco 3rd and Townsend Street station was a former Caltrain commuter rail terminal in San Francisco that served as the line’s city terminus before operations moved to the nearby 4th and King Street station.
-
A.
San Francisco 4th and King Street station
San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
-
B.
Union Square/Market Street station
Union Square/Market Street station is an underground San Francisco Muni Metro station serving the Central Subway near the Union Square and Market Street area.
-
C.
Montgomery Street station
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
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D.
Yerba Buena/Moscone station
Yerba Buena/Moscone station is an underground San Francisco Muni Metro stop serving the SoMa area and the nearby Moscone Center convention complex.
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E.
Downtown Berkeley station
Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
former Caltrain station
ⓘ
former railway station ⓘ railway terminus ⓘ |
| category |
Former Caltrain stations
ⓘ
Former railway stations in San Francisco ⓘ |
| city | San Francisco ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function | commuter rail terminal ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Francisco ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| namedAfter | intersection of 3rd Street and Townsend Street ⓘ |
| near | San Francisco 4th and King Street station ⓘ |
| operator | Caltrain ⓘ |
| partOf |
San Francisco rail network
ⓘ
linked to:
San Francisco Muni
|
| railwayLine |
Caltrain commuter rail line
ⓘ
linked to:
Caltrain
|
| region |
Bay Area
ⓘ
linked to:
San Francisco Bay Area
|
| replacedBy | San Francisco 4th and King Street station ⓘ |
| role | city terminus of Caltrain ⓘ |
| servedBy | Caltrain ⓘ |
| serviceType | commuter rail ⓘ |
| status |
closed
ⓘ
disused ⓘ |
| streetAddress | 3rd Street and Townsend Street ⓘ |
| terminusFor |
Caltrain main line
ⓘ
linked to:
Caltrain
|
| transportMode | rail ⓘ |
| usedFor |
commuter rail service
ⓘ
passenger service ⓘ |
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: San Francisco 3rd and Townsend Street station Description of subject: San Francisco 3rd and Townsend Street station was a former Caltrain commuter rail terminal in San Francisco that served as the line’s city terminus before operations moved to the nearby 4th and King Street station.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
San Francisco 4th and King Street station
→
replaced
→
San Francisco 3rd and Townsend Street station
ⓘ