Dumbarton Point
E1013362
Dumbarton Point is a prominent headland on the southwestern shore of San Francisco Bay in California, known as a geographic landmark near the city of Newark.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dumbarton Point canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12761420 — 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: Dumbarton Point Context triple: [Dumbarton Bridge (State Route 84), namedAfter, Dumbarton Point]
-
A.
Gerrin Point
Gerrin Point is a coastal headland and lookout within Bouddi National Park on the New South Wales Central Coast, known for its ocean views and walking tracks.
-
B.
Baird Point
Baird Point is a prominent lakeside amphitheater and gathering spot located on the North Campus of the University at Buffalo.
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C.
Pindi Point
Pindi Point is a popular scenic viewpoint in Murree, Pakistan, known for its panoramic views of the surrounding hills and distant city landscapes.
-
D.
Boreen Point
Boreen Point is a small lakeside village in Queensland, Australia, known for its relaxed atmosphere and access to Lake Cootharaba and the Noosa Everglades.
-
E.
Millerton Point
Millerton Point is a coastal area and trailhead in Marin County, California, known for its scenic views, shoreline access, and wildlife along Tomales Bay.
- 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: Dumbarton Point Target entity description: Dumbarton Point is a prominent headland on the southwestern shore of San Francisco Bay in California, known as a geographic landmark near the city of Newark.
-
A.
Gerrin Point
Gerrin Point is a coastal headland and lookout within Bouddi National Park on the New South Wales Central Coast, known for its ocean views and walking tracks.
-
B.
Baird Point
Baird Point is a prominent lakeside amphitheater and gathering spot located on the North Campus of the University at Buffalo.
-
C.
Pindi Point
Pindi Point is a popular scenic viewpoint in Murree, Pakistan, known for its panoramic views of the surrounding hills and distant city landscapes.
-
D.
Boreen Point
Boreen Point is a small lakeside village in Queensland, Australia, known for its relaxed atmosphere and access to Lake Cootharaba and the Noosa Everglades.
-
E.
Millerton Point
Millerton Point is a coastal area and trailhead in Marin County, California, known for its scenic views, shoreline access, and wildlife along Tomales Bay.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
geographic feature
ⓘ
headland ⓘ landform ⓘ |
| adjacentTo |
San Francisco Bay wetlands
NERFINISHED
ⓘ
marshlands of southern San Francisco Bay ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Alameda County NERFINISHED ⓘ |
| featureOf | San Francisco Bay estuary NERFINISHED ⓘ |
| geologicalType | alluvial headland ⓘ |
| hasClimate | Mediterranean climate ⓘ |
| hasCoordinateSystem | WGS84 ⓘ |
| hasEnvironment |
coastal marsh
ⓘ
tidal wetlands ⓘ |
| hasNearbyInfrastructure | Dumbarton rail corridor NERFINISHED ⓘ |
| hasNearbyProtectedArea | Don Edwards San Francisco Bay National Wildlife Refuge NERFINISHED ⓘ |
| hasNearbyWaterBody | San Francisco Bay NERFINISHED ⓘ |
| hasTypicalVegetation |
coastal scrub
ⓘ
salt marsh vegetation ⓘ |
| hasViewOf |
Dumbarton Bridge
NERFINISHED
ⓘ
southern San Francisco Bay ⓘ |
| isNorthOf | Dumbarton Bridge NERFINISHED ⓘ |
| isPartOf | Pacific Coast of the United States NERFINISHED ⓘ |
| isSouthOf | San Francisco Bay main channel NERFINISHED ⓘ |
| isWestOf | Newark, California NERFINISHED ⓘ |
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
California, United States ⓘ
surface form:
California
San Francisco Bay NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedNear |
Dumbarton Bridge
NERFINISHED
ⓘ
Newark, California NERFINISHED ⓘ |
| locatedOn | southwestern shore of San Francisco Bay ⓘ |
| nearbyCity |
Fremont, California
NERFINISHED
ⓘ
Newark, California NERFINISHED ⓘ Palo Alto, California NERFINISHED ⓘ |
| partOf |
San Francisco Bay shoreline
NERFINISHED
ⓘ
South Bay region of the San Francisco Bay Area NERFINISHED ⓘ |
| region | San Francisco Bay Area ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| usedFor | navigation landmark ⓘ |
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: Dumbarton Point Description of subject: Dumbarton Point is a prominent headland on the southwestern shore of San Francisco Bay in California, known as a geographic landmark near the city of Newark.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.