Angel Island
E6875
Angel Island is a historic island in San Francisco Bay known for its former U.S. immigration station, often called the "Ellis Island of the West."
All labels observed (4)
| Label | Occurrences |
|---|---|
| Angel Island canonical | 22 |
| Angel Island Immigration Station | 5 |
| Ellis Island of the South | 1 |
| Ellis Island of the West | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T70626 — 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: Angel Island Context triple: [San Francisco Bay, hasIsland, Angel Island]
-
A.
L’Enfant
L’Enfant is the surname of Pierre Charles L’Enfant, the French-born American architect and civil engineer best known for designing the basic plan for Washington, D.C.
-
B.
The Crossroads of the World
The Crossroads of the World is a famous nickname for New York City's Times Square, a major commercial and entertainment hub renowned for its bright billboards, Broadway theaters, and bustling pedestrian traffic.
-
C.
Seven Corners
Seven Corners is a densely developed commercial and residential area in Fairfax County, Northern Virginia, known for its major road junction and large shopping centers.
-
D.
Eureka
Eureka is a historic coastal city in Northern California known for its Victorian architecture, maritime heritage, and role as a regional cultural and economic center.
-
E.
Stumptown
Stumptown is a historic nickname for Portland, Oregon, referencing the city’s rapid 19th-century growth that left tree stumps scattered throughout the area.
- 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: Angel Island Target entity description: Angel Island is a historic island in San Francisco Bay known for its former U.S. immigration station, often called the "Ellis Island of the West."
-
A.
L’Enfant
L’Enfant is the surname of Pierre Charles L’Enfant, the French-born American architect and civil engineer best known for designing the basic plan for Washington, D.C.
-
B.
The Crossroads of the World
The Crossroads of the World is a famous nickname for New York City's Times Square, a major commercial and entertainment hub renowned for its bright billboards, Broadway theaters, and bustling pedestrian traffic.
-
C.
Seven Corners
Seven Corners is a densely developed commercial and residential area in Fairfax County, Northern Virginia, known for its major road junction and large shopping centers.
-
D.
Eureka
Eureka is a historic coastal city in Northern California known for its Victorian architecture, maritime heritage, and role as a regional cultural and economic center.
-
E.
Stumptown
Stumptown is a historic nickname for Portland, Oregon, referencing the city’s rapid 19th-century growth that left tree stumps scattered throughout the area.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
immigration station ⓘ island ⓘ |
| accessibleBy | ferry ⓘ |
| accessibleFrom |
San Francisco
ⓘ
Tiburon ⓘ |
| area |
about 1.2 square miles
ⓘ
about 3.1 square kilometers ⓘ |
| closed | 1940 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
United States of America ⓘ
surface form:
United States
|
| county | Marin County ⓘ |
| designatedAs | National Historic Landmark ⓘ |
| elevation |
240 meters
ⓘ
788 feet ⓘ |
| hasFacility |
Angel Island
self-linksurface differs
ⓘ
surface form:
Angel Island Immigration Station
|
| hasHighestPoint | Mount Caroline Livermore ⓘ |
| hasHistoricUse |
U.S. Army post
ⓘ
U.S. Public Health Service quarantine station ⓘ |
| hasViewOf |
Alcatraz Island
ⓘ
Golden Gate Bridge ⓘ San Francisco skyline ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco Bay ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | Angel Island self-linksurface differs ⓘ |
| managedBy | California Department of Parks and Recreation ⓘ |
| militaryUsePeriod |
American Civil War era
ⓘ
World War I ⓘ World War II ⓘ |
| nearestCity |
San Francisco
ⓘ
Tiburon ⓘ |
| nickname |
Angel Island
self-linksurface differs
ⓘ
surface form:
Ellis Island of the West
|
| notableFor |
detaining Chinese immigrants under exclusion laws
ⓘ
processing immigrants from Asia ⓘ |
| offersActivity |
biking
ⓘ
camping ⓘ hiking ⓘ historical tours ⓘ |
| opened | 1910 ⓘ |
| operatedBy | United States government ⓘ |
| partOf |
Angel Island State Park
ⓘ
Angel Island State Park ⓘ Yerba Buena Island ⓘ
surface form:
San Francisco Bay Islands
|
| primaryFunction | U.S. immigration processing center ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| touristAttraction | yes ⓘ |
| usedAs |
immigration station
ⓘ
military post ⓘ prisoner-of-war camp ⓘ quarantine station ⓘ |
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: Angel Island Description of subject: Angel Island is a historic island in San Francisco Bay known for its former U.S. immigration station, often called the "Ellis Island of the West."
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Angel Island Immigration Station
subject surface form:
Angel Island Immigration Station
subject surface form:
Angel Island Immigration Station
this entity surface form:
Ellis Island of the West
this entity surface form:
Angel Island Immigration Station
subject surface form:
U.S. Public Health Service quarantine station at Angel Island
subject surface form:
U.S. Public Health Service quarantine station at Angel Island
this entity surface form:
Angel Island Immigration Station
this entity surface form:
Angel Island Immigration Station
this entity surface form:
Angel Island Immigration Station
subject surface form:
Freedom Tower (Miami)
this entity surface form:
Ellis Island of the South