Monrovia, California
E427065
Monrovia, California is a suburban city in Los Angeles County known for its historic Old Town, foothill setting beneath the San Gabriel Mountains, and role as a filming and technology hub.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Monrovia, California canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T4240314 — 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: Monrovia, California Context triple: [San Gabriel Valley, contains, Monrovia, California]
-
A.
Pomona, California
Pomona, California is a city in eastern Los Angeles County known for its diverse community, historic downtown, and role as a regional center for education and culture in the Pomona Valley.
-
B.
Newark, California
Newark, California is a suburban city in the San Francisco Bay Area’s East Bay region, known for its proximity to major tech hubs and its role as a residential and commercial community within Alameda County.
-
C.
Fillmore, California
Fillmore, California is a small agricultural city in Ventura County known for its historic downtown, citrus and avocado groves, and scenic setting in the Santa Clara River Valley.
-
D.
Stateline, California
Stateline, California is a small unincorporated community on the California–Nevada border near Primm, known primarily as a roadside stop along Interstate 15 in the Mojave Desert.
-
E.
Lafayette, California
Lafayette, California is a suburban city in Contra Costa County known for its affluent residential character, highly rated schools, and proximity to the San Francisco Bay Area.
- 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: Monrovia, California Target entity description: Monrovia, California is a suburban city in Los Angeles County known for its historic Old Town, foothill setting beneath the San Gabriel Mountains, and role as a filming and technology hub.
-
A.
Pomona, California
Pomona, California is a city in eastern Los Angeles County known for its diverse community, historic downtown, and role as a regional center for education and culture in the Pomona Valley.
-
B.
Newark, California
Newark, California is a suburban city in the San Francisco Bay Area’s East Bay region, known for its proximity to major tech hubs and its role as a residential and commercial community within Alameda County.
-
C.
Fillmore, California
Fillmore, California is a small agricultural city in Ventura County known for its historic downtown, citrus and avocado groves, and scenic setting in the Santa Clara River Valley.
-
D.
Stateline, California
Stateline, California is a small unincorporated community on the California–Nevada border near Primm, known primarily as a roadside stop along Interstate 15 in the Mojave Desert.
-
E.
Lafayette, California
Lafayette, California is a suburban city in Contra Costa County known for its affluent residential character, highly rated schools, and proximity to the San Francisco Bay Area.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| areaCode | 626 ⓘ |
| borderedBy |
Arcadia, California
NERFINISHED
ⓘ
Azusa, California NERFINISHED ⓘ Bradbury, California NERFINISHED ⓘ Duarte, California NERFINISHED ⓘ Irwindale, California NERFINISHED ⓘ unincorporated Los Angeles County ⓘ |
| climate | Mediterranean climate ⓘ |
| country | United States of America ⓘ |
| county | Los Angeles County ⓘ |
| elevationInFeet | 571 ⓘ |
| elevationInMeters | 174 ⓘ |
| FIPSCode | 06-48618 ⓘ |
| GNISFeatureID | 1652740 ⓘ |
| governmentType | council–manager government ⓘ |
| hasHighSchool | Monrovia High School NERFINISHED ⓘ |
| hasHistoricDistrict | Old Town Monrovia NERFINISHED ⓘ |
| hasHistoricRoute | former U.S. Route 66 NERFINISHED ⓘ |
| hasLandmark |
Monrovia Canyon Park
NERFINISHED
ⓘ
Monrovia City Hall NERFINISHED ⓘ Monrovia Depot NERFINISHED ⓘ Monrovia Public Library NERFINISHED ⓘ |
| hasPark |
Library Park
NERFINISHED
ⓘ
Recreation Park NERFINISHED ⓘ |
| hasRailStation | Monrovia station NERFINISHED ⓘ |
| hasSchoolDistrict | Monrovia Unified School District NERFINISHED ⓘ |
| hasSisterCity |
Lorca, Spain
NERFINISHED
ⓘ
Yoshinaga, Japan NERFINISHED ⓘ |
| hasTransportation | Metro A Line NERFINISHED ⓘ |
| incorporatedAsCityOn | 1887-12-15 ⓘ |
| knownFor |
film production locations
ⓘ
foothill setting ⓘ historic Old Town ⓘ technology companies ⓘ |
| locatedAtFoothillsOf | San Gabriel Mountains NERFINISHED ⓘ |
| locatedIn | San Gabriel Valley NERFINISHED ⓘ |
| locatedInTimeZone |
Pacific Time Zone
ⓘ
UTC−07:00 ⓘ UTC−08:00 ⓘ |
| locatedNear | Angeles National Forest NERFINISHED ⓘ |
| namedAfter | William N. Monroe NERFINISHED ⓘ |
| officialWebsite | https://www.cityofmonrovia.org/ ⓘ |
| partOf | Greater Los Angeles Area ⓘ |
| partOfMetropolitanArea | Los Angeles metropolitan area NERFINISHED ⓘ |
| postalCode |
91016
ⓘ
91017 ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
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: Monrovia, California Description of subject: Monrovia, California is a suburban city in Los Angeles County known for its historic Old Town, foothill setting beneath the San Gabriel Mountains, and role as a filming and technology hub.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Duarte, California
subject surface form:
Arcadia, California
subject surface form:
Arcadia, California
subject surface form:
State Route 210 (California)