Perimeter Road
E295846
Perimeter Road is a scenic loop route encircling Angel Island in San Francisco Bay, offering access to park sites and panoramic coastal views.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Perimeter Road canonical | 3 |
| Perimeter Road loop | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1616912 — 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: Perimeter Road Context triple: [Angel Island State Park, hasPart, Perimeter Road]
-
A.
Bremner Boulevard
Bremner Boulevard is a major east–west thoroughfare in downtown Toronto, Ontario, running through the city’s entertainment and waterfront districts.
-
B.
Perimeter Highway
Perimeter Highway is a ring road encircling Winnipeg, Manitoba, that serves as a major route for bypassing city traffic and connecting key regional highways.
-
C.
George Price Highway
The George Price Highway is a major roadway in Belize that serves as a key transportation artery linking Belize City with the country’s western regions and the Guatemalan border.
-
D.
Newell Highway
Newell Highway is a major inland highway in New South Wales, Australia, forming a key north–south freight and transport route through regions including the Riverina.
-
E.
Don Valley Parkway
Don Valley Parkway is a major controlled-access expressway in Toronto, Ontario, running along the Don River and connecting the city's downtown core with its northeastern suburbs.
- 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: Perimeter Road Target entity description: Perimeter Road is a scenic loop route encircling Angel Island in San Francisco Bay, offering access to park sites and panoramic coastal views.
-
A.
Bremner Boulevard
Bremner Boulevard is a major east–west thoroughfare in downtown Toronto, Ontario, running through the city’s entertainment and waterfront districts.
-
B.
Perimeter Highway
Perimeter Highway is a ring road encircling Winnipeg, Manitoba, that serves as a major route for bypassing city traffic and connecting key regional highways.
-
C.
George Price Highway
The George Price Highway is a major roadway in Belize that serves as a key transportation artery linking Belize City with the country’s western regions and the Guatemalan border.
-
D.
Newell Highway
Newell Highway is a major inland highway in New South Wales, Australia, forming a key north–south freight and transport route through regions including the Riverina.
-
E.
Don Valley Parkway
Don Valley Parkway is a major controlled-access expressway in Toronto, Ontario, running along the Don River and connecting the city's downtown core with its northeastern suburbs.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
loop road
ⓘ
recreational trail ⓘ scenic road ⓘ |
| accesses |
coastal viewpoints on Angel Island
ⓘ
historic sites on Angel Island ⓘ park sites on Angel Island ⓘ picnic areas on Angel Island ⓘ |
| encircles | Angel Island ⓘ |
| hasScenicQuality | panoramic coastal views ⓘ |
| hasShape | loop ⓘ |
| hasTransportationMode |
bicycle
ⓘ
park service vehicles ⓘ pedestrian ⓘ |
| isWithinProtectedArea | Angel Island State Park ⓘ |
| locatedIn |
Angel Island
ⓘ
California ⓘ
linked to:
California, United States
Marin County, California ⓘ
linked to:
Marin County
San Francisco Bay ⓘ United States ⓘ
linked to:
United States of America
|
| managedBy | California Department of Parks and Recreation ⓘ |
| offersViewOf |
Alcatraz Island
ⓘ
Bay Bridge ⓘ Golden Gate Bridge ⓘ San Francisco Bay ⓘ San Francisco skyline ⓘ |
| partOf | Angel Island State Park ⓘ |
| surfaceType | paved ⓘ |
| usedFor |
bicycling
ⓘ
hiking ⓘ sightseeing ⓘ walking ⓘ |
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: Perimeter Road Description of subject: Perimeter Road is a scenic loop route encircling Angel Island in San Francisco Bay, offering access to park sites and panoramic coastal views.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.