San Pablo Dam Road
E839316
San Pablo Dam Road is a major thoroughfare in Contra Costa County, California, connecting communities such as El Sobrante with the San Pablo Reservoir and surrounding regional parks.
All labels observed (2)
| Label | Occurrences |
|---|---|
| San Pablo Dam Road canonical | 2 |
| San Pablo Dam Road commercial corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10077024 — 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: San Pablo Dam Road Context triple: [El Sobrante, California, traversedBy, San Pablo Dam Road]
-
A.
La Farola highway
La Farola highway is a famous mountain road in eastern Cuba known for its dramatic engineering and scenic route linking the coastal city of Baracoa with the rest of the island.
-
B.
Puerto Rico Highway 60
Puerto Rico Highway 60 is a regional roadway in Puerto Rico that serves as a connector route within the island’s highway network, linking local traffic to larger arterial roads.
-
C.
Camino Cielo Road
Camino Cielo Road is a scenic mountain roadway in Southern California that follows the ridgeline of the Santa Ynez Mountains, offering expansive views of the Pacific Ocean and inland valleys.
-
D.
South Trunk Road
South Trunk Road is a major roadway in southern Trinidad that serves as a key access route to the city of San Fernando and surrounding areas.
-
E.
Puerto Rico Highway 53
Puerto Rico Highway 53 is a major toll expressway on Puerto Rico’s eastern coast that forms part of the island’s circumferential highway system, linking key coastal municipalities and improving regional connectivity.
- 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: San Pablo Dam Road Target entity description: San Pablo Dam Road is a major thoroughfare in Contra Costa County, California, connecting communities such as El Sobrante with the San Pablo Reservoir and surrounding regional parks.
-
A.
La Farola highway
La Farola highway is a famous mountain road in eastern Cuba known for its dramatic engineering and scenic route linking the coastal city of Baracoa with the rest of the island.
-
B.
Puerto Rico Highway 60
Puerto Rico Highway 60 is a regional roadway in Puerto Rico that serves as a connector route within the island’s highway network, linking local traffic to larger arterial roads.
-
C.
Camino Cielo Road
Camino Cielo Road is a scenic mountain roadway in Southern California that follows the ridgeline of the Santa Ynez Mountains, offering expansive views of the Pacific Ocean and inland valleys.
-
D.
South Trunk Road
South Trunk Road is a major roadway in southern Trinidad that serves as a key access route to the city of San Fernando and surrounding areas.
-
E.
Puerto Rico Highway 53
Puerto Rico Highway 53 is a major toll expressway on Puerto Rico’s eastern coast that forms part of the island’s circumferential highway system, linking key coastal municipalities and improving regional connectivity.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
road
ⓘ
thoroughfare ⓘ |
| category |
Roads in Contra Costa County, California
ⓘ
Transportation in the San Francisco Bay Area ⓘ
linked to:
San Francisco Bay Area transit network
|
| connects |
El Sobrante, California
ⓘ
San Pablo Reservoir ⓘ communities in western Contra Costa County ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county |
Contra Costa County, California
ⓘ
linked to:
Contra Costa County
|
| environment | adjacent to watershed and open space lands ⓘ |
| hasFunction |
connects residential areas to regional parks
ⓘ
provides access to San Pablo Reservoir ⓘ |
| hasHazard |
curvy segments near reservoir
ⓘ
limited shoulders in some stretches ⓘ |
| hasLanes |
multi-lane segments near developed areas
ⓘ
two-lane segments ⓘ |
| hasNameOrigin |
San Pablo Creek watershed
ⓘ
San Pablo Dam ⓘ |
| isPartOf | local road network of the San Francisco Bay Area ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Contra Costa County, California ⓘ
linked to:
Contra Costa County
United States ⓘ
linked to:
United States of America
|
| maintainedBy |
Contra Costa County (primarily)
ⓘ
linked to:
Contra Costa County
|
| near |
Briones Reservoir area
ⓘ
linked to:
Briones Reservoir
Kennedy Grove Regional Recreation Area ⓘ Orinda, California (regional context) ⓘ
linked to:
Orinda, California
Richmond, California (regional context) ⓘ
linked to:
Richmond, California
San Pablo Dam ⓘ San Pablo Reservoir Recreation Area ⓘ
linked to:
San Pablo Reservoir
Wildcat Canyon Regional Park ⓘ |
| parallelTo | San Pablo Creek (in portions) ⓘ |
| passesThrough | hilly terrain around San Pablo Reservoir ⓘ |
| providesAccessTo |
San Pablo Reservoir boat launch and picnic areas
ⓘ
trailheads for nearby regional parks ⓘ |
| regionServed | West Contra Costa County ⓘ |
| roadType | arterial road ⓘ |
| scenic | yes ⓘ |
| speedLimitCategory |
rural arterial (in reservoir area)
ⓘ
urban/suburban arterial (near communities) ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| traverses |
El Sobrante, California
ⓘ
unincorporated areas of Contra Costa County ⓘ |
| usedBy |
bicycles
ⓘ
local transit buses ⓘ private vehicles ⓘ |
| usedFor |
commuter traffic
ⓘ
recreational access ⓘ |
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: San Pablo Dam Road Description of subject: San Pablo Dam Road is a major thoroughfare in Contra Costa County, California, connecting communities such as El Sobrante with the San Pablo Reservoir and surrounding regional parks.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: San Pablo Dam Road