Angel Island State Park
E34739
Angel Island State Park is a California state park in San Francisco Bay known for its historic immigration station, military sites, and panoramic hiking and biking trails.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Angel Island State Park canonical | 28 |
| Angel Island State Park trail system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T160082 — 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 State Park Context triple: [California Department of Parks and Recreation, operates, Angel Island State Park]
-
A.
F.D. Roosevelt State Park
F.D. Roosevelt State Park is Georgia’s largest state park, known for its extensive hiking trails, scenic overlooks, and historical ties to President Franklin D. Roosevelt.
-
B.
Rockefeller State Park Preserve
Rockefeller State Park Preserve is a scenic public park in New York known for its extensive carriage roads, woodlands, and Hudson River views, popular for hiking, horseback riding, and nature observation.
-
C.
Julia Pfeiffer Burns State Park
Julia Pfeiffer Burns State Park is a scenic California coastal park in Big Sur known for its dramatic cliffs, redwood forests, and the iconic McWay Falls that drops onto the beach.
-
D.
Cape May Point State Park
Cape May Point State Park is a coastal New Jersey state park known for its historic lighthouse, beaches, and exceptional birdwatching along the Atlantic Flyway.
-
E.
Bear Mountain State Park
Bear Mountain State Park is a popular Hudson Valley recreation area in New York known for its hiking trails, scenic mountain and river views, and outdoor activities.
- 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 State Park Target entity description: Angel Island State Park is a California state park in San Francisco Bay known for its historic immigration station, military sites, and panoramic hiking and biking trails.
-
A.
F.D. Roosevelt State Park
F.D. Roosevelt State Park is Georgia’s largest state park, known for its extensive hiking trails, scenic overlooks, and historical ties to President Franklin D. Roosevelt.
-
B.
Rockefeller State Park Preserve
Rockefeller State Park Preserve is a scenic public park in New York known for its extensive carriage roads, woodlands, and Hudson River views, popular for hiking, horseback riding, and nature observation.
-
C.
Julia Pfeiffer Burns State Park
Julia Pfeiffer Burns State Park is a scenic California coastal park in Big Sur known for its dramatic cliffs, redwood forests, and the iconic McWay Falls that drops onto the beach.
-
D.
Cape May Point State Park
Cape May Point State Park is a coastal New Jersey state park known for its historic lighthouse, beaches, and exceptional birdwatching along the Atlantic Flyway.
-
E.
Bear Mountain State Park
Bear Mountain State Park is a popular Hudson Valley recreation area in New York known for its hiking trails, scenic mountain and river views, and outdoor activities.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
California state park
ⓘ
protected area ⓘ tourist attraction ⓘ |
| accessibleBy | ferry ⓘ |
| accessibleFrom |
San Francisco
ⓘ
Tiburon ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevation |
240 meters
ⓘ
788 feet ⓘ |
| hasDesignation |
National Historic Landmark (Angel Island Immigration Station)
ⓘ
linked to:
National Historic Landmark
|
| hasFauna |
black-tailed deer
ⓘ
raccoons ⓘ various seabirds ⓘ |
| hasFlora |
coastal scrub
ⓘ
grasslands ⓘ oak woodlands ⓘ |
| hasPart |
Angel Island Immigration Station
ⓘ
linked to:
Angel Island
Ayala Cove ⓘ Camp Reynolds ⓘ Fort McDowell ⓘ Mount Caroline Livermore ⓘ Perimeter Road ⓘ Quarry Point ⓘ |
| hasViewOf |
Alcatraz Island
ⓘ
East Bay ⓘ Golden Gate Bridge ⓘ Marin Headlands ⓘ San Francisco ⓘ |
| historicalUse |
U.S. Army post
ⓘ
immigration station ⓘ prisoner-of-war camp ⓘ quarantine station ⓘ |
| immigrationStationActiveYears | 1910–1940 ⓘ |
| immigrationStationPrimaryUse | processing immigrants from Asia ⓘ |
| knownFor |
biking trails
ⓘ
hiking trails ⓘ historic immigration station ⓘ military history ⓘ panoramic views of San Francisco Bay ⓘ picnic areas ⓘ wildlife viewing ⓘ |
| locatedIn |
Marin County, California
ⓘ
linked to:
Marin County
San Francisco Bay ⓘ |
| locatedOn | Angel Island ⓘ |
| managedBy | California Department of Parks and Recreation ⓘ |
| offersActivity |
bicycling
ⓘ
camping ⓘ guided tours ⓘ hiking ⓘ picnicking ⓘ |
| partOf | California State Parks system ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
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 State Park Description of subject: Angel Island State Park is a California state park in San Francisco Bay known for its historic immigration station, military sites, and panoramic hiking and biking trails.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Angel Island
subject linked to:
Angel Island (across Raccoon Strait)
linked to: Angel Island State Park