San Francisco Bar Pilots
E1005916
The San Francisco Bar Pilots are a professional association of maritime pilots responsible for safely guiding large commercial vessels through the challenging waters leading to and from the San Francisco Bay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Francisco Bar Pilots canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12877030 — 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 Bar Pilots Context triple: [Board of Pilot Commissioners for the Bays of San Francisco, San Pablo and Suisun, governs, San Francisco Bar Pilots]
-
A.
Old San Francisco
Old San Francisco is a 1927 silent drama film set in pre-earthquake San Francisco, known for its themes of racial tension and its depiction of the 1906 earthquake.
-
B.
The City by the Bay
The City by the Bay is a popular nickname for San Francisco, a major Northern California city famed for its steep hills, iconic Golden Gate Bridge, and scenic waterfront on the San Francisco Bay.
-
C.
The City by the Bay
The City by the Bay is a historic waterfront city in New Jersey known for its role in early American colonial history and its location along Raritan Bay.
-
D.
Board of Pilot Commissioners for the Bays of San Francisco, San Pablo and Suisun
The Board of Pilot Commissioners for the Bays of San Francisco, San Pablo and Suisun is a California regulatory body responsible for licensing, regulating, and overseeing maritime pilots who guide commercial vessels through these bays and their connected waterways.
-
E.
Fog City
Fog City is a popular nickname for San Francisco, highlighting the city's famously frequent fog.
- 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 Bar Pilots Target entity description: The San Francisco Bar Pilots are a professional association of maritime pilots responsible for safely guiding large commercial vessels through the challenging waters leading to and from the San Francisco Bay.
-
A.
Old San Francisco
Old San Francisco is a 1927 silent drama film set in pre-earthquake San Francisco, known for its themes of racial tension and its depiction of the 1906 earthquake.
-
B.
The City by the Bay
The City by the Bay is a popular nickname for San Francisco, a major Northern California city famed for its steep hills, iconic Golden Gate Bridge, and scenic waterfront on the San Francisco Bay.
-
C.
The City by the Bay
The City by the Bay is a historic waterfront city in New Jersey known for its role in early American colonial history and its location along Raritan Bay.
-
D.
Board of Pilot Commissioners for the Bays of San Francisco, San Pablo and Suisun
The Board of Pilot Commissioners for the Bays of San Francisco, San Pablo and Suisun is a California regulatory body responsible for licensing, regulating, and overseeing maritime pilots who guide commercial vessels through these bays and their connected waterways.
-
E.
Fog City
Fog City is a popular nickname for San Francisco, highlighting the city's famously frequent fog.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
maritime pilot organization
ⓘ
professional association ⓘ |
| areaServed |
Port of Oakland
ⓘ
Port of San Francisco ⓘ other deep-water terminals on San Francisco Bay ⓘ ports of San Francisco Bay ⓘ |
| associatedWith |
commercial shipping
ⓘ
maritime trade in Northern California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| foundedFor | providing compulsory pilotage for large vessels entering and leaving San Francisco Bay ⓘ |
| goal |
prevention of maritime accidents
ⓘ
safe and efficient movement of vessel traffic in San Francisco Bay ⓘ |
| hasMember |
bar pilots
ⓘ
state-licensed maritime pilots ⓘ |
| hasRole |
enhancing navigational safety in San Francisco Bay
ⓘ
protecting marine environment through safe ship handling ⓘ |
| industry |
marine pilotage
ⓘ
maritime transportation ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Francisco Bay ⓘ West Coast of the United States ⓘ |
| operatesIn |
Golden Gate
ⓘ
San Francisco Bay ⓘ San Pablo Bay ⓘ Suisun Bay ⓘ approaches to San Francisco Bay from the Pacific Ocean ⓘ |
| regulates | pilotage standards for member pilots ⓘ |
| requires |
extensive local knowledge of tides and currents
ⓘ
specialized pilot licensing ⓘ |
| responsibleFor |
navigating vessels through hazardous coastal and bay waters
ⓘ
safely guiding large commercial vessels to and from San Francisco Bay ⓘ |
| serviceProvided |
bar crossing pilotage
ⓘ
navigation assistance for large commercial vessels ⓘ pilotage ⓘ ship handling in confined waters ⓘ |
| subjectOf |
maritime safety regulations in California
ⓘ
pilotage fee regulations ⓘ |
| uses |
electronic navigation systems
ⓘ
navigation charts ⓘ pilot boats ⓘ radar and communication equipment ⓘ |
| worksWith |
United States Coast Guard
ⓘ
port authorities ⓘ shipping companies ⓘ state maritime regulators ⓘ |
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 Bar Pilots Description of subject: The San Francisco Bar Pilots are a professional association of maritime pilots responsible for safely guiding large commercial vessels through the challenging waters leading to and from the San Francisco Bay.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Board of Pilot Commissioners for the Bays of San Francisco, San Pablo and Suisun
→
governs
→
San Francisco Bar Pilots
ⓘ