Spanish land grant area Rancho San Leandro
E762342
Spanish land grant area Rancho San Leandro was a 19th-century Mexican-era land grant in present-day Alameda County, California, that later became the site of the modern city of San Leandro.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Spanish land grant area Rancho San Leandro canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8864414 — 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: Spanish land grant area Rancho San Leandro Context triple: [San Leandro, foundedAs, Spanish land grant area Rancho San Leandro]
-
A.
Feliz family land grant Rancho Los Feliz
The Feliz family land grant Rancho Los Feliz was a large Mexican-era land grant in what is now Los Angeles, California, that formed the historical basis for the modern Los Feliz neighborhood.
-
B.
Alviso area of San Jose
The Alviso area of San Jose is a historic, low-lying waterfront district at the southern end of San Francisco Bay known for its wetlands, salt ponds, and vulnerability to flooding.
-
C.
Ranchos
Ranchos is a southwestern-themed lodging area within Disney's Coronado Springs Resort, featuring desert-style landscaping and rustic, pueblo-inspired architecture.
-
D.
Rancho San Antonio County Park and Open Space Preserve
Rancho San Antonio County Park and Open Space Preserve is a popular Santa Clara County recreational area featuring extensive hiking trails, open space, and scenic foothill landscapes.
-
E.
Irvine Ranch land holdings
Irvine Ranch land holdings comprise the extensive master-planned residential, commercial, and open-space properties in Orange County, California, historically developed and managed by The Irvine Company.
- 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: Spanish land grant area Rancho San Leandro Target entity description: Spanish land grant area Rancho San Leandro was a 19th-century Mexican-era land grant in present-day Alameda County, California, that later became the site of the modern city of San Leandro.
-
A.
Feliz family land grant Rancho Los Feliz
The Feliz family land grant Rancho Los Feliz was a large Mexican-era land grant in what is now Los Angeles, California, that formed the historical basis for the modern Los Feliz neighborhood.
-
B.
Alviso area of San Jose
The Alviso area of San Jose is a historic, low-lying waterfront district at the southern end of San Francisco Bay known for its wetlands, salt ponds, and vulnerability to flooding.
-
C.
Ranchos
Ranchos is a southwestern-themed lodging area within Disney's Coronado Springs Resort, featuring desert-style landscaping and rustic, pueblo-inspired architecture.
-
D.
Rancho San Antonio County Park and Open Space Preserve
Rancho San Antonio County Park and Open Space Preserve is a popular Santa Clara County recreational area featuring extensive hiking trails, open space, and scenic foothill landscapes.
-
E.
Irvine Ranch land holdings
Irvine Ranch land holdings comprise the extensive master-planned residential, commercial, and open-space properties in Orange County, California, historically developed and managed by The Irvine Company.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
Mexican land grant
ⓘ
rancho ⓘ |
| country | Mexico ⓘ |
| era | Mexican era in California ⓘ |
| formsTheBasisOf | San Leandro, California NERFINISHED ⓘ |
| grantType |
Mexican land grant
ⓘ
Spanish land grant ⓘ |
| historicalSignificance | early landholding that shaped the development of San Leandro ⓘ |
| jurisdictionAtTimeOfGrant | Mexican California NERFINISHED ⓘ |
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
California, United States ⓘ
surface form:
California
San Francisco Bay Area ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear | San Francisco Bay NERFINISHED ⓘ |
| nowPartOf |
Alameda County, California
NERFINISHED
ⓘ
San Leandro, California NERFINISHED ⓘ |
| partOf | Alta California NERFINISHED ⓘ |
| region | Northern California ⓘ |
| subsequentJurisdiction | U.S. state of California NERFINISHED ⓘ |
| timePeriod | 19th century ⓘ |
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: Spanish land grant area Rancho San Leandro Description of subject: Spanish land grant area Rancho San Leandro was a 19th-century Mexican-era land grant in present-day Alameda County, California, that later became the site of the modern city of San Leandro.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.