Pier 41, San Francisco
E354336
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pier 41, San Francisco canonical | 3 |
| San Francisco Ferry Terminal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3369424 — 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 41, San Francisco Context triple: [San Francisco Bay Ferry, connects, Pier 41, San Francisco]
-
A.
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.
-
B.
Pier 45, Fisherman’s Wharf, San Francisco
Pier 45 at Fisherman’s Wharf in San Francisco is a historic waterfront pier known for its preserved World War II-era ships, maritime attractions, and proximity to popular tourist destinations.
-
C.
Pier 39
Pier 39 is a popular waterfront shopping, dining, and entertainment complex in San Francisco best known for its sea lions, bay views, and tourist attractions.
-
D.
Pier 46
Pier 46 is a recreational pier along Manhattan’s Hudson River waterfront, featuring open green space, seating, and river views as part of the larger Hudson River Park.
-
E.
Pier 84
Pier 84 is a waterfront facility within the Port of Philadelphia used for maritime and cargo-related operations.
- 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 41, San Francisco Target entity description: 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.
-
A.
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.
-
B.
Pier 45, Fisherman’s Wharf, San Francisco
Pier 45 at Fisherman’s Wharf in San Francisco is a historic waterfront pier known for its preserved World War II-era ships, maritime attractions, and proximity to popular tourist destinations.
-
C.
Pier 39
Pier 39 is a popular waterfront shopping, dining, and entertainment complex in San Francisco best known for its sea lions, bay views, and tourist attractions.
-
D.
Pier 46
Pier 46 is a recreational pier along Manhattan’s Hudson River waterfront, featuring open green space, seating, and river views as part of the larger Hudson River Park.
-
E.
Pier 84
Pier 84 is a waterfront facility within the Port of Philadelphia used for maritime and cargo-related operations.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
ferry terminal
ⓘ
pier ⓘ tourist attraction ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function |
bay cruise departure point
ⓘ
ferry departure terminal ⓘ tourist hub ⓘ |
| hasFacility |
ferry docks
ⓘ
restaurants ⓘ retail shops ⓘ ticket offices ⓘ |
| hasNearbyAttraction |
Alcatraz Island
ⓘ
Fisherman’s Wharf, San Francisco ⓘ
linked to:
Fisherman’s Wharf
Pier 39, San Francisco ⓘ
linked to:
Pier 39
San Francisco Maritime National Historical Park ⓘ |
| hasNearbyLandmark |
Aquatic Park, San Francisco
ⓘ
linked to:
Aquatic Park
Ghirardelli Square ⓘ |
| hasParking | nearby parking lots ⓘ |
| hasViewOf |
Alcatraz Island
ⓘ
Golden Gate Bridge ⓘ San Francisco skyline ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Fisherman’s Wharf, San Francisco ⓘ
linked to:
Fisherman’s Wharf
San Francisco ⓘ |
| locatedOnBodyOfWater | San Francisco Bay ⓘ |
| near | Embarcadero roadway ⓘ |
| neighboringPlace |
Fisherman’s Wharf, San Francisco
ⓘ
linked to:
Fisherman’s Wharf
Pier 39, San Francisco ⓘ
linked to:
Pier 39
|
| operator | Blue & Gold Fleet ⓘ |
| partOf |
San Francisco waterfront
ⓘ
linked to:
San Francisco Embarcadero waterfront
|
| publicTransitConnection |
San Francisco Muni bus services
ⓘ
historic F-line streetcar (nearby) ⓘ |
| region |
Bay Area
ⓘ
linked to:
San Francisco Bay Area
|
| servesRoute |
San Francisco Bay sightseeing cruises
ⓘ
San Francisco–Angel Island ferry route ⓘ
linked to:
San Francisco Bay Ferry
San Francisco–Sausalito ferry route ⓘ
linked to:
San Francisco Bay Ferry
San Francisco–Tiburon ferry route ⓘ
linked to:
San Francisco Bay Ferry
|
| tourismCategory |
cruise departure point
ⓘ
waterfront attraction ⓘ |
| transportationMode |
passenger ferry
ⓘ
tour boat ⓘ |
| usedFor |
commuter travel across San Francisco Bay
ⓘ
recreational cruises ⓘ tourist excursions ⓘ |
| waterway |
San Francisco Bay Ferry network
ⓘ
linked to:
San Francisco Bay Ferry
|
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 41, San Francisco Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pier 41, San Francisco