Mason Street Schoolhouse
E257252
Mason Street Schoolhouse is a historic 19th-century school building in Old Town San Diego, recognized as one of the earliest public schools in Southern California.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mason Street Schoolhouse canonical | 3 |
| Mason Street Schoolhouse Museum | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2356457 — 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: Mason Street Schoolhouse Context triple: [Old Town San Diego State Historic Park, hasPart, Mason Street Schoolhouse]
-
A.
Brown’s Schoolhouse
Brown’s Schoolhouse was the small early 19th-century school in rural North Carolina that evolved into what is now Duke University.
-
B.
West Branch Schoolhouse
West Branch Schoolhouse is a preserved historic one-room school building located within the Herbert Hoover National Historic Site in West Branch, Iowa.
-
C.
Griggstown Schoolhouse
Griggstown Schoolhouse is a historic one-room school building in Griggstown, New Jersey, that reflects the area's 19th-century rural educational heritage.
-
D.
E. B. Shelfer House
The E. B. Shelfer House is a historic residence in Quincy, Florida, recognized for its architectural and local heritage significance.
-
E.
Hooper-Lee-Nichols House
The Hooper-Lee-Nichols House is one of the oldest surviving residences in Cambridge, Massachusetts, notable for its early 18th-century architecture and long association with prominent local families.
- 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: Mason Street Schoolhouse Target entity description: Mason Street Schoolhouse is a historic 19th-century school building in Old Town San Diego, recognized as one of the earliest public schools in Southern California.
-
A.
Brown’s Schoolhouse
Brown’s Schoolhouse was the small early 19th-century school in rural North Carolina that evolved into what is now Duke University.
-
B.
West Branch Schoolhouse
West Branch Schoolhouse is a preserved historic one-room school building located within the Herbert Hoover National Historic Site in West Branch, Iowa.
-
C.
Griggstown Schoolhouse
Griggstown Schoolhouse is a historic one-room school building in Griggstown, New Jersey, that reflects the area's 19th-century rural educational heritage.
-
D.
E. B. Shelfer House
The E. B. Shelfer House is a historic residence in Quincy, Florida, recognized for its architectural and local heritage significance.
-
E.
Hooper-Lee-Nichols House
The Hooper-Lee-Nichols House is one of the oldest surviving residences in Cambridge, Massachusetts, notable for its early 18th-century architecture and long association with prominent local families.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
historic school building
ⓘ
museum ⓘ one-room schoolhouse ⓘ |
| architecturalStyle | wood-frame vernacular ⓘ |
| buildingType | schoolhouse ⓘ |
| category |
Education in San Diego
ⓘ
Museums in San Diego ⓘ School buildings on the National Register of Historic Places in California ⓘ |
| city | San Diego ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| era | 19th century ⓘ |
| hasCollection | historic school artifacts ⓘ |
| hasExhibit | 19th-century classroom setting ⓘ |
| hasFunction | education of local children ⓘ |
| hasVisitorInformation | interpretive displays about early education in San Diego ⓘ |
| heritageDesignation | California Historical Landmark ⓘ |
| inception | mid-19th century ⓘ |
| isOneOf | earliest public schools in Southern California ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Old Town San Diego ⓘ
linked to:
Old Town, San Diego
Old Town San Diego State Historic Park ⓘ San Diego ⓘ San Diego County ⓘ United States ⓘ
linked to:
United States of America
|
| material | wood ⓘ |
| notableFor |
being among the earliest public schools in Southern California
ⓘ
preserved 19th-century schoolroom interior ⓘ |
| numberOfRooms | 1 ⓘ |
| openToPublic | yes ⓘ |
| partOf |
Old Town San Diego historic district
ⓘ
linked to:
Old Town San Diego State Historic Park
|
| significantPeriod | 19th century ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| street | Mason Street ⓘ |
| touristAttraction | yes ⓘ |
| use |
historic site
ⓘ
museum ⓘ public school ⓘ |
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: Mason Street Schoolhouse Description of subject: Mason Street Schoolhouse is a historic 19th-century school building in Old Town San Diego, recognized as one of the earliest public schools in Southern California.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mason Street Schoolhouse