Alameda Island
E695544
Alameda Island is a populated island in the San Francisco Bay known for the city of Alameda, its historic naval air station, and its Victorian-era residential neighborhoods.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alameda Island canonical | 6 |
| Coast Guard Island, Alameda, California | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7799655 — 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: Alameda Island Context triple: [Alameda, California, locatedOn, Alameda Island]
-
A.
Yerba Buena Island
Yerba Buena Island is a natural island in the middle of San Francisco Bay that connects the eastern and western spans of the San Francisco–Oakland Bay Bridge.
-
B.
Balboa Island
Balboa Island is a small, upscale, man-made island community in Newport Beach, California, known for its waterfront homes, harbor views, and charming village atmosphere.
-
C.
Coronado Island
Coronado Island is a resort city and peninsula in San Diego County, California, known for its historic Hotel del Coronado, scenic beaches, and views of downtown San Diego across the bay.
-
D.
Santa Clara Island
Santa Clara Island is a small Ecuadorian island in the Pacific Ocean known for its rich marine biodiversity and status as a protected wildlife refuge.
-
E.
Santa Clara Island
Santa Clara Island is a small, scenic island located in the bay of Donostia-San Sebastián in northern Spain, known for its beach, lighthouse, and panoramic views of the city and surrounding coastline.
- 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: Alameda Island Target entity description: Alameda Island is a populated island in the San Francisco Bay known for the city of Alameda, its historic naval air station, and its Victorian-era residential neighborhoods.
-
A.
Yerba Buena Island
Yerba Buena Island is a natural island in the middle of San Francisco Bay that connects the eastern and western spans of the San Francisco–Oakland Bay Bridge.
-
B.
Balboa Island
Balboa Island is a small, upscale, man-made island community in Newport Beach, California, known for its waterfront homes, harbor views, and charming village atmosphere.
-
C.
Coronado Island
Coronado Island is a resort city and peninsula in San Diego County, California, known for its historic Hotel del Coronado, scenic beaches, and views of downtown San Diego across the bay.
-
D.
Santa Clara Island
Santa Clara Island is a small, uninhabited island in Chile’s Pacific Juan Fernández archipelago, known for its rugged terrain and unique, protected ecosystems.
-
E.
Santa Clara Island
Santa Clara Island is a small Ecuadorian island in the Pacific Ocean known for its rich marine biodiversity and status as a protected wildlife refuge.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
island
ⓘ
populated place ⓘ |
| adjacentTo |
Bay Farm Island
ⓘ
San Francisco ⓘ |
| borderedBy |
Oakland Estuary
ⓘ
San Francisco Bay ⓘ |
| climate | Mediterranean climate ⓘ |
| connectedBy |
bridges
ⓘ
tubes ⓘ |
| connectedTo | Oakland ⓘ |
| contains |
Alameda Naval Air Station
ⓘ
linked to:
Naval Air Station Alameda
Alameda, California ⓘ Naval Air Station Alameda ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Alameda County ⓘ |
| governedBy |
City of Alameda government
ⓘ
linked to:
City of Alameda
|
| hasAccess |
bus services
ⓘ
ferries ⓘ |
| hasFeature |
Victorian houses
ⓘ
beaches ⓘ historic architecture ⓘ marinas ⓘ waterfront parks ⓘ |
| hasHistoricalUse |
U.S. Navy air station
ⓘ
linked to:
U.S. Naval Air Station
|
| hasLandUse |
commercial areas
ⓘ
former military facilities ⓘ residential neighborhoods ⓘ |
| hasMajorSettlement | City of Alameda ⓘ |
| hasNeighborhoodType | Victorian-era residential district ⓘ |
| hasRedevelopment | former Naval Air Station Alameda ⓘ |
| hasTransportation |
Fruitvale Bridge
ⓘ
High Street Bridge ⓘ Park Street Bridge ⓘ Posey Tube ⓘ Webster Street Tube ⓘ |
| hasUrbanForm | street grid ⓘ |
| knownFor |
Victorian-era residential neighborhoods
ⓘ
historic naval air station ⓘ tree-lined residential streets ⓘ |
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
California ⓘ
linked to:
California, United States
San Francisco Bay ⓘ United States ⓘ
linked to:
United States of America
|
| partOf | East Bay ⓘ |
| separatedFrom |
City of Oakland
ⓘ
linked to:
Oakland
|
| state |
California
ⓘ
linked to:
California, United States
|
| surroundedBy | saltwater ⓘ |
| timeZone | Pacific Time Zone ⓘ |
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: Alameda Island Description of subject: Alameda Island is a populated island in the San Francisco Bay known for the city of Alameda, its historic naval air station, and its Victorian-era residential neighborhoods.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Coast Guard Pacific Area
→
hasHeadquarters
→
Coast Guard Island, Alameda, California
ⓘ
linked to: Alameda Island