CA 4
E477678
CA 4 is a state highway in California that runs east–west from the San Francisco Bay Area across the Central Valley into the Sierra Nevada.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CA 4 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4889147 — 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: CA 4 Context triple: [California State Route 4, abbreviation, CA 4]
-
A.
CA 41
CA 41 is a major California state highway that runs from the Central Coast near Morro Bay through the San Joaquin Valley to Yosemite National Park.
-
B.
CA 60
CA 60 is a major east–west freeway in Southern California that connects Los Angeles to the Inland Empire and serves as a key commuter and freight corridor.
-
C.
CAL
CAL is the station code for California station on the Green Line transit system.
-
D.
CAL
CAL is the ICAO airline designator used to identify China Airlines in international aviation operations.
-
E.
CAL
CAL was the stock ticker symbol for Continental Airlines, a major U.S. airline that later merged with United Airlines.
- 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: CA 4 Target entity description: CA 4 is a state highway in California that runs east–west from the San Francisco Bay Area across the Central Valley into the Sierra Nevada.
-
A.
CA 41
CA 41 is a major California state highway that runs from the Central Coast near Morro Bay through the San Joaquin Valley to Yosemite National Park.
-
B.
CA 60
CA 60 is a major east–west freeway in Southern California that connects Los Angeles to the Inland Empire and serves as a key commuter and freight corridor.
-
C.
CAL
CAL is the ICAO airline designator used to identify China Airlines in international aviation operations.
-
D.
CAL
CAL is the station code for California station on the Green Line transit system.
-
E.
CAL
CAL was the stock ticker symbol for Continental Airlines, a major U.S. airline that later merged with United Airlines.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| abbreviation |
CA 4
NERFINISHED
ⓘ
SR 4 NERFINISHED ⓘ |
| connectsRegion |
Central Valley
NERFINISHED
ⓘ
San Francisco Bay Area NERFINISHED ⓘ Sierra Nevada NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Sacramento–San Joaquin River Delta
NERFINISHED
ⓘ
San Joaquin River NERFINISHED ⓘ |
| easternTerminus | Nevada state line at Ebbetts Pass area ⓘ |
| freewaySection | Hercules to Antioch corridor ⓘ |
| hasSection |
California Delta Highway
NERFINISHED
ⓘ
Ebbetts Pass Scenic Byway NERFINISHED ⓘ John Muir Parkway NERFINISHED ⓘ |
| highwayNumber | 4 ⓘ |
| isScenicByway | yes ⓘ |
| locatedIn |
Central Valley
NERFINISHED
ⓘ
San Francisco Bay Area ⓘ Sierra Nevada NERFINISHED ⓘ |
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
|
| mountainPass | Ebbetts Pass NERFINISHED ⓘ |
| mountainRange | Sierra Nevada NERFINISHED ⓘ |
| orientation | east–west ⓘ |
| partOf |
California Freeway and Expressway System
NERFINISHED
ⓘ
National Highway System (urban freeway segments) NERFINISHED ⓘ |
| passesThrough |
Angels Camp, California
NERFINISHED
ⓘ
Antioch, California NERFINISHED ⓘ Arnold, California NERFINISHED ⓘ Bear Valley, California NERFINISHED ⓘ Brentwood, California NERFINISHED ⓘ Concord, California NERFINISHED ⓘ Copperopolis, California NERFINISHED ⓘ Farmington, California NERFINISHED ⓘ Hercules, California NERFINISHED ⓘ Martinez, California NERFINISHED ⓘ Murphys, California NERFINISHED ⓘ Oakley, California NERFINISHED ⓘ Pittsburg, California NERFINISHED ⓘ Stockton, California NERFINISHED ⓘ |
| roadTypeInSierraNevada | two-lane mountain road ⓘ |
| routeType | state route ⓘ |
| seasonalClosure | Ebbetts Pass area in winter ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| traverses |
Alpine County, California
NERFINISHED
ⓘ
Calaveras County, California NERFINISHED ⓘ Contra Costa County, California NERFINISHED ⓘ San Joaquin County, California NERFINISHED ⓘ |
| westernTerminus | Interstate 80 in Hercules, California NERFINISHED ⓘ |
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: CA 4 Description of subject: CA 4 is a state highway in California that runs east–west from the San Francisco Bay Area across the Central Valley into the Sierra Nevada.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
State Route 4 (California)