Port of Hayward
E112961
Port of Hayward is a small industrial and recreational harbor facility serving maritime activities in the city of Hayward, California, on the eastern shore of San Francisco Bay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Port of Hayward canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T909974 — 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: Port of Hayward Context triple: [Hayward, hasPort, Port of Hayward]
-
A.
Port of Oakland
The Port of Oakland is a major deep-water seaport in Northern California and one of the primary container shipping hubs on the U.S. West Coast.
-
B.
Port of San Francisco
The Port of San Francisco is a major maritime facility and waterfront district on the city’s eastern shoreline, serving as a hub for cargo, ferries, cruise ships, and commercial development.
-
C.
Port of Tacoma
The Port of Tacoma is a major deep-water seaport in Washington State that serves as a key hub for international container shipping and trade in the Pacific Northwest.
-
D.
Port of Seattle
The Port of Seattle is a major Pacific Northwest seaport and aviation hub that manages cargo and cruise terminals as well as Seattle–Tacoma International Airport.
-
E.
Portland International Marine Terminal
Portland International Marine Terminal is a major cargo and container shipping facility in Portland, Maine, serving as a key hub for regional and international maritime trade.
- 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: Port of Hayward Target entity description: Port of Hayward is a small industrial and recreational harbor facility serving maritime activities in the city of Hayward, California, on the eastern shore of San Francisco Bay.
-
A.
Port of Oakland
The Port of Oakland is a major deep-water seaport in Northern California and one of the primary container shipping hubs on the U.S. West Coast.
-
B.
Port of San Francisco
The Port of San Francisco is a major maritime facility and waterfront district on the city’s eastern shoreline, serving as a hub for cargo, ferries, cruise ships, and commercial development.
-
C.
Port of Tacoma
The Port of Tacoma is a major deep-water seaport in Washington State that serves as a key hub for international container shipping and trade in the Pacific Northwest.
-
D.
Port of Seattle
The Port of Seattle is a major Pacific Northwest seaport and aviation hub that manages cargo and cruise terminals as well as Seattle–Tacoma International Airport.
-
E.
Portland International Marine Terminal
Portland International Marine Terminal is a major cargo and container shipping facility in Portland, Maine, serving as a key hub for regional and international maritime trade.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
harbor
ⓘ
marina ⓘ port ⓘ |
| adjacentTo |
Hayward shoreline
ⓘ
linked to:
Hayward Shoreline Interpretive Center
|
| category |
Ports and harbors of California
ⓘ
Ports and harbors of the San Francisco Bay ⓘ Transportation in Hayward, California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasFunction |
harbor facility
ⓘ
industrial marine access ⓘ recreational boating ⓘ small craft harbor ⓘ |
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
California ⓘ
linked to:
California, United States
Hayward, California ⓘ
linked to:
Hayward
|
| locatedNear |
Hayward Regional Shoreline
ⓘ
linked to:
Hayward Shoreline Interpretive Center
|
| locatedOn | San Francisco Bay ⓘ |
| partOf | San Francisco Bay Area maritime infrastructure ⓘ |
| region | East Bay ⓘ |
| serves | city of Hayward, California ⓘ |
| shore | eastern shore of San Francisco Bay ⓘ |
| supportsActivity |
boating
ⓘ
fishing ⓘ small commercial marine operations ⓘ |
| transportMode | maritime transport ⓘ |
| use |
industrial
ⓘ
maritime activities ⓘ recreational ⓘ |
| waterbody | San Francisco Bay ⓘ |
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: Port of Hayward Description of subject: Port of Hayward is a small industrial and recreational harbor facility serving maritime activities in the city of Hayward, California, on the eastern shore of San Francisco Bay.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.