Edward R. Roybal Federal Building and U.S. Courthouse
E254416
The Edward R. Roybal Federal Building and U.S. Courthouse is a major federal office and judicial complex in downtown Los Angeles that houses federal courts and government agencies.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T2306161 — 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: Edward R. Roybal Federal Building and U.S. Courthouse Context triple: [Civic Center, Downtown Los Angeles, contains, Edward R. Roybal Federal Building and U.S. Courthouse]
-
A.
Ronald V. Dellums Federal Building
The Ronald V. Dellums Federal Building is a prominent federal office and courthouse complex in Oakland, California, named after former congressman and Oakland mayor Ronald V. Dellums.
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B.
Ronald Reagan Federal Building and United States Courthouse
The Ronald Reagan Federal Building and United States Courthouse is a major federal government complex in Santa Ana, California, housing federal courtrooms and offices for various U.S. agencies.
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C.
William K. Nakamura United States Courthouse
The William K. Nakamura United States Courthouse is a federal judicial building in Seattle, Washington, named in honor of World War II Medal of Honor recipient William Kenzo Nakamura.
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D.
James R. Browning United States Courthouse
The James R. Browning United States Courthouse is a historic federal courthouse in San Francisco, California, renowned for its Beaux-Arts architecture and role as the headquarters of the Ninth Circuit.
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E.
Stanley Mosk Courthouse
The Stanley Mosk Courthouse is a major downtown Los Angeles judicial complex that serves as one of the primary trial court facilities for Los Angeles County.
- 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: Edward R. Roybal Federal Building and U.S. Courthouse Target entity description: The Edward R. Roybal Federal Building and U.S. Courthouse is a major federal office and judicial complex in downtown Los Angeles that houses federal courts and government agencies.
-
A.
Ronald V. Dellums Federal Building
The Ronald V. Dellums Federal Building is a prominent federal office and courthouse complex in Oakland, California, named after former congressman and Oakland mayor Ronald V. Dellums.
-
B.
Ronald Reagan Federal Building and United States Courthouse
The Ronald Reagan Federal Building and United States Courthouse is a major federal government complex in Santa Ana, California, housing federal courtrooms and offices for various U.S. agencies.
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C.
William K. Nakamura United States Courthouse
The William K. Nakamura United States Courthouse is a federal judicial building in Seattle, Washington, named in honor of World War II Medal of Honor recipient William Kenzo Nakamura.
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D.
James R. Browning United States Courthouse
The James R. Browning United States Courthouse is a historic federal courthouse in San Francisco, California, renowned for its Beaux-Arts architecture and role as the headquarters of the Ninth Circuit.
-
E.
Stanley Mosk Courthouse
The Stanley Mosk Courthouse is a major downtown Los Angeles judicial complex that serves as one of the primary trial court facilities for Los Angeles County.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
courthouse
ⓘ
federal building ⓘ office building ⓘ |
| category |
Federal courthouses in California
ⓘ
Government buildings in Los Angeles ⓘ United States federal office buildings ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function |
houses federal courts
ⓘ
houses federal government offices ⓘ |
| governmentLevel | federal ⓘ |
| hasName | Edward R. Roybal Federal Building and U.S. Courthouse ⓘ |
| heritageDesignation | named in honor of U.S. Representative Edward R. Roybal ⓘ |
| jurisdiction | federal jurisdiction of the United States ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Los Angeles ⓘ downtown Los Angeles ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| namedAfter |
Edward R. Roybal
ⓘ
linked to:
Edward Roybal
|
| occupant |
federal courts of the United States
ⓘ
federal government agencies ⓘ |
| partOf |
United States federal judiciary facilities in Los Angeles
ⓘ
federal office complex in downtown Los Angeles ⓘ |
| use |
administrative
ⓘ
judicial ⓘ office ⓘ |
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: Edward R. Roybal Federal Building and U.S. Courthouse Description of subject: The Edward R. Roybal Federal Building and U.S. Courthouse is a major federal office and judicial complex in downtown Los Angeles that houses federal courts and government agencies.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
Civic Center, Downtown Los Angeles
→
contains
→
Edward R. Roybal Federal Building and U.S. Courthouse
ⓘ
Central District of California
→
hasCourthouse
→
Edward R. Roybal Federal Building and U.S. Courthouse
ⓘ
Edward R. Roybal Federal Building and U.S. Courthouse
→
hasName
→
Edward R. Roybal Federal Building and U.S. Courthouse
ⓘ
Julian Dixon
→
honoredIn
→
Julian C. Dixon Courtroom at the Edward R. Roybal Federal Building and U.S. Courthouse
ⓘ
subject linked to:
Julian Dixon (former U.S. Representative)
linked to: Edward R. Roybal Federal Building and U.S. Courthouse
Los Angeles Civic Center
→
contains
→
Edward R. Roybal Federal Building and United States Courthouse
ⓘ
linked to: Edward R. Roybal Federal Building and U.S. Courthouse
linked to: Edward R. Roybal Federal Building and U.S. Courthouse
subject linked to:
Civic Center