San Gabriel Valley plain
E1289772
UNEXPLORED
The San Gabriel Valley plain is a broad, urbanized alluvial valley in Los Angeles County, California, known for its dense suburban communities and diverse population east of downtown Los Angeles.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Gabriel Valley plain canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T17800776 — 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 Gabriel Valley plain Context triple: [South El Monte, California, locatedOn, San Gabriel Valley plain]
-
A.
Los Ángeles Basin
Los Ángeles Basin is a geographic depression in south-central Chile known for its agricultural lands and role in the region’s settlement and economic activity.
-
B.
San Bernardino Valley
San Bernardino Valley is a broad inland valley in Southern California known for its urban centers, transportation corridors, and position between the San Bernardino Mountains and surrounding desert regions.
-
C.
Los Angeles Basin
The Los Angeles Basin is a large coastal lowland region in Southern California that encompasses the city of Los Angeles and its surrounding urban area, bordered by mountains and the Pacific Ocean.
-
D.
Cucamonga Valley
Cucamonga Valley is a historic wine-producing region and urbanized valley in Southern California’s Inland Empire, situated at the base of the San Gabriel Mountains.
-
E.
Santa Ana River valley
The Santa Ana River valley is a geographic region in Southern California shaped by the Santa Ana River, encompassing urban and agricultural communities across parts of Riverside, San Bernardino, and Orange counties.
- 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 Gabriel Valley plain Target entity description: The San Gabriel Valley plain is a broad, urbanized alluvial valley in Los Angeles County, California, known for its dense suburban communities and diverse population east of downtown Los Angeles.
-
A.
Los Ángeles Basin
Los Ángeles Basin is a geographic depression in south-central Chile known for its agricultural lands and role in the region’s settlement and economic activity.
-
B.
San Bernardino Valley
San Bernardino Valley is a broad inland valley in Southern California known for its urban centers, transportation corridors, and position between the San Bernardino Mountains and surrounding desert regions.
-
C.
Los Angeles Basin
The Los Angeles Basin is a large coastal lowland region in Southern California that encompasses the city of Los Angeles and its surrounding urban area, bordered by mountains and the Pacific Ocean.
-
D.
Cucamonga Valley
Cucamonga Valley is a historic wine-producing region and urbanized valley in Southern California’s Inland Empire, situated at the base of the San Gabriel Mountains.
-
E.
Santa Ana River valley
The Santa Ana River valley is a geographic region in Southern California shaped by the Santa Ana River, encompassing urban and agricultural communities across parts of Riverside, San Bernardino, and Orange counties.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.