Pier 40 (San Francisco)
E730911
Pier 40 (San Francisco) is a bayside pier and marina facility near Oracle Park that serves as a hub for recreational boating, parking, and waterfront access along San Francisco’s Embarcadero.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pier 40 (San Francisco) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8392482 — 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: Pier 40 (San Francisco) Context triple: [South Beach (San Francisco), hasLandmark, Pier 40 (San Francisco)]
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A.
Pier 40
Pier 40 is a large multi-use pier complex on Manhattan’s west side known for its athletic fields, parking facilities, and role as a key recreational hub within Hudson River Park.
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B.
Pier 4
Pier 4 is a waterfront pier and recreational area within Brooklyn Bridge Park in Brooklyn, New York City.
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C.
Pier 41, San Francisco
Pier 41 in San Francisco is a busy waterfront terminal and tourist hub near Fisherman’s Wharf, serving as a key departure point for ferries and bay cruises.
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D.
Pier 48
Pier 48 is a historic waterfront pier in San Francisco’s Mission Bay area, known for its industrial maritime architecture and redevelopment plans as part of the city’s evolving shoreline.
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E.
Pier 45
Pier 45 is a popular recreational pier in Manhattan’s Greenwich Village, known for its lawns, waterfront views, and role as a gathering spot along the Hudson River.
- 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: Pier 40 (San Francisco) Target entity description: Pier 40 (San Francisco) is a bayside pier and marina facility near Oracle Park that serves as a hub for recreational boating, parking, and waterfront access along San Francisco’s Embarcadero.
-
A.
Pier 40
Pier 40 is a large multi-use pier complex on Manhattan’s west side known for its athletic fields, parking facilities, and role as a key recreational hub within Hudson River Park.
-
B.
Pier 4
Pier 4 is a waterfront pier and recreational area within Brooklyn Bridge Park in Brooklyn, New York City.
-
C.
Pier 41, San Francisco
Pier 41 in San Francisco is a busy waterfront terminal and tourist hub near Fisherman’s Wharf, serving as a key departure point for ferries and bay cruises.
-
D.
Pier 48
Pier 48 is a historic waterfront pier in San Francisco’s Mission Bay area, known for its industrial maritime architecture and redevelopment plans as part of the city’s evolving shoreline.
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E.
Pier 45
Pier 45 is a popular recreational pier in Manhattan’s Greenwich Village, known for its lawns, waterfront views, and role as a gathering spot along the Hudson River.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
marina
ⓘ
parking facility ⓘ pier ⓘ waterfront facility ⓘ |
| adjacentTo |
China Basin
NERFINISHED
ⓘ
San Francisco Bay Trail NERFINISHED ⓘ |
| country | United States of America ⓘ |
| function | support access to Oracle Park events ⓘ |
| hasAccess |
public waterfront access
ⓘ
small craft launch points ⓘ |
| hasFacility |
boat slips
ⓘ
docks ⓘ marina office ⓘ public access promenade ⓘ restrooms ⓘ surface parking lot ⓘ |
| hasUse |
ferry and excursion boarding area
ⓘ
kayak and small-craft access ⓘ marina berthing ⓘ recreational boating ⓘ vehicle parking ⓘ waterfront access ⓘ |
| hasViewOf |
San Francisco skyline
NERFINISHED
ⓘ
San Francisco–Oakland Bay Bridge NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ |
| locatedInNeighborhood | South Beach, San Francisco NERFINISHED ⓘ |
| locatedNear |
Oracle Park
NERFINISHED
ⓘ
South Beach Harbor NERFINISHED ⓘ |
| locatedOnStreet | The Embarcadero NERFINISHED ⓘ |
| locatedOnWaterbody | San Francisco Bay NERFINISHED ⓘ |
| managedBy | Port of San Francisco NERFINISHED ⓘ |
| nearTo |
2nd Street
ⓘ
King Street NERFINISHED ⓘ |
| ownedBy | Port of San Francisco NERFINISHED ⓘ |
| partOf |
San Francisco Embarcadero piers
NERFINISHED
ⓘ
San Francisco waterfront NERFINISHED ⓘ |
| transportConnection |
Muni light rail stops near Oracle Park
ⓘ
nearby bus routes along The Embarcadero ⓘ |
| usedFor |
charter boat departures
ⓘ
fishing access ⓘ game-day parking for San Francisco Giants games ⓘ sailing activities ⓘ special event parking ⓘ |
| waterfrontType | bayside pier ⓘ |
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: Pier 40 (San Francisco) Description of subject: Pier 40 (San Francisco) is a bayside pier and marina facility near Oracle Park that serves as a hub for recreational boating, parking, and waterfront access along San Francisco’s Embarcadero.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
South Beach (San Francisco)