San Diego Union Building

E257260

commercial building historic building

The San Diego Union Building is a historic structure in Old Town San Diego where the city’s first newspaper, the San Diego Union, was originally printed and published.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (1)

Label	Occurrences
San Diego Union Building canonical	2

Statements (30)

Predicate	Object
instanceOf	commercial building ⓘ historic building ⓘ
associatedWith	The San Diego Union ⓘ
city	San Diego ⓘ
country	United States of America ⓘ surface form: United States
culturalSignificance	represents early press and communication in San Diego ⓘ
era	19th century ⓘ
function	site where the city’s first newspaper was printed ⓘ site where the city’s first newspaper was published ⓘ
hasExhibit	displays about the San Diego Union newspaper ⓘ historic printing equipment ⓘ
heritageStatus	historic structure ⓘ
locatedIn	California, United States ⓘ surface form: California Old Town, San Diego ⓘ surface form: Old Town San Diego San Diego ⓘ San Diego County ⓘ United States of America ⓘ surface form: United States
namedAfter	The San Diego Union ⓘ
neighborhood	Old Town, San Diego ⓘ surface form: Old Town San Diego
openToPublic	yes ⓘ
originalUse	newspaper office ⓘ printing office ⓘ publishing house ⓘ
partOf	Old Town San Diego State Historic Park ⓘ
significance	associated with the origins of journalism in San Diego ⓘ location of the original printing of the San Diego Union newspaper ⓘ
state	California, United States ⓘ surface form: California
tourism	historic attraction ⓘ
usedFor	printing newspapers ⓘ publishing newspapers ⓘ

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 Diego Union Building
Description of subject: The San Diego Union Building is a historic structure in Old Town San Diego where the city’s first newspaper, the San Diego Union, was originally printed and published.

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Old Town San Diego State Historic Park → hasPart → San Diego Union Building ⓘ

Old Town State Historic Park → hasPart → San Diego Union Building ⓘ