San Ysidro
E812480
San Ysidro is a community in the southernmost part of San Diego, California, best known for hosting one of the world’s busiest land border crossings between the United States and Mexico.
All labels observed (4)
| Label | Occurrences |
|---|---|
| San Ysidro canonical | 5 |
| San Ysidro Community Plan Area | 1 |
| San Ysidro community | 1 |
| San Ysidro, San Diego, California | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9615471 — 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 Ysidro Context triple: [Otay Mesa West, border, San Ysidro]
-
A.
San Quintín
San Quintín is a coastal town in Baja California, Mexico, known for its agricultural production, volcanic landscapes, and growing tourism along the Pacific coast.
-
B.
Rosarito
Rosarito is a coastal resort city in northern Baja California, Mexico, known for its beaches, tourism, and proximity to the U.S. border.
-
C.
Santa Mesa
Santa Mesa is a historic district in Manila, Philippines, known for its role as a key battleground during the early stages of the Philippine–American War.
-
D.
San Ysidro Ranch
San Ysidro Ranch is a historic luxury resort in Montecito, California, renowned for its secluded cottages, lush gardens, and celebrity clientele.
-
E.
Calipatria
Calipatria is a small city in Southern California’s Imperial Valley known for its agricultural economy and notably low elevation below sea level.
- 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 Ysidro Target entity description: San Ysidro is a community in the southernmost part of San Diego, California, best known for hosting one of the world’s busiest land border crossings between the United States and Mexico.
-
A.
San Quintín
San Quintín is a coastal town in Baja California, Mexico, known for its agricultural production, volcanic landscapes, and growing tourism along the Pacific coast.
-
B.
Rosarito
Rosarito is a coastal resort city in northern Baja California, Mexico, known for its beaches, tourism, and proximity to the U.S. border.
-
C.
Santa Mesa
Santa Mesa is a historic district in Manila, Philippines, known for its role as a key battleground during the early stages of the Philippine–American War.
-
D.
San Ysidro Ranch
San Ysidro Ranch is a historic luxury resort in Montecito, California, renowned for its secluded cottages, lush gardens, and celebrity clientele.
-
E.
Calipatria
Calipatria is a small city in Southern California’s Imperial Valley known for its agricultural economy and notably low elevation below sea level.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
community
ⓘ
neighborhood ⓘ |
| adjacentTo |
Nestor
NERFINISHED
ⓘ
Otay Mesa NERFINISHED ⓘ Tijuana River Valley NERFINISHED ⓘ |
| borderCrossingName | San Ysidro Port of Entry NERFINISHED ⓘ |
| borderCrossingSuperlative | one of the busiest land border crossings in the world ⓘ |
| borderCrossingType | land border crossing ⓘ |
| borderRegion | US–Mexico border NERFINISHED ⓘ |
| borderWith |
Mexico
NERFINISHED
ⓘ
Tijuana NERFINISHED ⓘ |
| city | San Diego ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision | State of California NERFINISHED ⓘ |
| county | San Diego County NERFINISHED ⓘ |
| demographicFeature | predominantly Latino population ⓘ |
| directionFromSanDiegoDowntown | south ⓘ |
| economicActivity |
retail
ⓘ
services ⓘ |
| governingBody | San Diego City Council NERFINISHED ⓘ |
| hasBorderCrossing | San Ysidro Port of Entry NERFINISHED ⓘ |
| hasCharacteristic |
high volume of daily cross-border traffic
ⓘ
major port of entry for cross-border commuters ⓘ |
| hasFacility |
pedestrian border crossing
ⓘ
vehicular border crossing ⓘ |
| knownFor |
San Ysidro Port of Entry
NERFINISHED
ⓘ
one of the world’s busiest land border crossings ⓘ |
| languageMajority | Spanish and English ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Diego NERFINISHED ⓘ San Diego County ⓘ San Diego metropolitan area NERFINISHED ⓘ Southern California ⓘ |
| partOf | City of San Diego NERFINISHED ⓘ |
| positionWithinSanDiego | southernmost community ⓘ |
| postalCodeType | ZIP Code ⓘ |
| region | US–Mexico borderlands NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| timeZone | Pacific Time Zone ⓘ |
| transportation |
Interstate 5
NERFINISHED
ⓘ
Interstate 805 NERFINISHED ⓘ San Diego Trolley Blue Line NERFINISHED ⓘ |
| utcOffsetDST | UTC−7 ⓘ |
| utcOffsetStandard | UTC−8 ⓘ |
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 Ysidro Description of subject: San Ysidro is a community in the southernmost part of San Diego, California, best known for hosting one of the world’s busiest land border crossings between the United States and Mexico.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
San Ysidro, San Diego, California
this entity surface form:
San Ysidro community
this entity surface form:
San Ysidro Community Plan Area