Placer Union High School District
E358013
Placer Union High School District is a public school district in Placer County, California, that operates several high schools serving communities in the Sierra foothills region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Placer Union High School District canonical | 3 |
| Roseville Joint Union High School District | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3424325 — 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: Placer Union High School District Context triple: [Colfax, California, schoolDistrict, Placer Union High School District]
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A.
Fremont Union High School District
Fremont Union High School District is a public school district in California’s Silicon Valley that oversees several high-performing high schools, including Homestead High School.
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B.
Chaffey Joint Union High School District
Chaffey Joint Union High School District is a large public high school district serving multiple communities in the Inland Empire region of Southern California.
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C.
Centinela Valley Union High School District
Centinela Valley Union High School District is a public secondary school district serving high school students in the Hawthorne area of Los Angeles County, California.
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D.
Mount Diablo Unified School District
Mount Diablo Unified School District is a public school district serving students in Concord and surrounding communities in the East Bay region of California.
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E.
San Mateo Union High School District
San Mateo Union High School District is a public high school district serving multiple communities in San Mateo County, California, providing secondary education through several comprehensive and specialized high schools.
- 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: Placer Union High School District Target entity description: Placer Union High School District is a public school district in Placer County, California, that operates several high schools serving communities in the Sierra foothills region.
-
A.
Fremont Union High School District
Fremont Union High School District is a public school district in California’s Silicon Valley that oversees several high-performing high schools, including Homestead High School.
-
B.
Chaffey Joint Union High School District
Chaffey Joint Union High School District is a large public high school district serving multiple communities in the Inland Empire region of Southern California.
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C.
Centinela Valley Union High School District
Centinela Valley Union High School District is a public secondary school district serving high school students in the Hawthorne area of Los Angeles County, California.
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D.
Mount Diablo Unified School District
Mount Diablo Unified School District is a public school district serving students in Concord and surrounding communities in the East Bay region of California.
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E.
San Mateo Union High School District
San Mateo Union High School District is a public high school district serving multiple communities in San Mateo County, California, providing secondary education through several comprehensive and specialized high schools.
- F. None of above. chosen
Statements (32)
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: Placer Union High School District Description of subject: Placer Union High School District is a public school district in Placer County, California, that operates several high schools serving communities in the Sierra foothills region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.