Old St. Mary’s Cathedral
E19265
Old St. Mary’s Cathedral is a historic Catholic church in San Francisco known as one of the city’s oldest surviving religious buildings and a prominent landmark in Chinatown.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Old St. Mary’s Cathedral canonical | 2 |
| Old Saint Mary’s Cathedral | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T138200 — 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: Old St. Mary’s Cathedral Context triple: [Chinatown (San Francisco), hasLandmark, Old St. Mary’s Cathedral]
-
A.
St Anne’s Cathedral
St Anne’s Cathedral is a prominent Anglican cathedral in Belfast, Northern Ireland, noted for its Romanesque Revival architecture and role as a major religious and cultural landmark in the city.
-
B.
St. Patrick’s Cathedral
St. Patrick’s Cathedral is a prominent Neo-Gothic Roman Catholic cathedral in Midtown Manhattan, New York City, renowned for its striking architecture and status as a major religious and tourist landmark.
-
C.
St. Pierre Cathedral
St. Pierre Cathedral is a historic Protestant church in Geneva, Switzerland, renowned as the home church of John Calvin and a major symbol of the Reformation.
-
D.
Round Church
Round Church is a distinctive Norman-era, circular stone church in Cambridge, England, and one of the city’s most recognizable historic landmarks.
-
E.
Memorial Church
Memorial Church is a prominent interdenominational Christian church and war memorial at Harvard University, serving as a central site for worship, reflection, and major university ceremonies.
- 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: Old St. Mary’s Cathedral Target entity description: Old St. Mary’s Cathedral is a historic Catholic church in San Francisco known as one of the city’s oldest surviving religious buildings and a prominent landmark in Chinatown.
-
A.
St Anne’s Cathedral
St Anne’s Cathedral is a prominent Anglican cathedral in Belfast, Northern Ireland, noted for its Romanesque Revival architecture and role as a major religious and cultural landmark in the city.
-
B.
St. Patrick’s Cathedral
St. Patrick’s Cathedral is a prominent Neo-Gothic Roman Catholic cathedral in Midtown Manhattan, New York City, renowned for its striking architecture and status as a major religious and tourist landmark.
-
C.
St. Pierre Cathedral
St. Pierre Cathedral is a historic Protestant church in Geneva, Switzerland, renowned as the home church of John Calvin and a major symbol of the Reformation.
-
D.
Round Church
Round Church is a distinctive Norman-era, circular stone church in Cambridge, England, and one of the city’s most recognizable historic landmarks.
-
E.
Memorial Church
Memorial Church is a prominent interdenominational Christian church and war memorial at Harvard University, serving as a central site for worship, reflection, and major university ceremonies.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Catholic church
ⓘ
historic church ⓘ landmark ⓘ |
| architecturalStyle | Gothic Revival ⓘ |
| buildingType |
cathedral
ⓘ
church ⓘ |
| category |
Churches in Chinatown, San Francisco
ⓘ
Landmarks in San Francisco ⓘ Roman Catholic churches in San Francisco ⓘ |
| city | San Francisco ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
USA
United States of America ⓘ
surface form:
United States
|
| denomination | Roman Catholic ⓘ |
| diocese |
Archdiocese of San Francisco
ⓘ
surface form:
Roman Catholic Archdiocese of San Francisco
|
| hasFunction | parish church ⓘ |
| hasSpire | yes ⓘ |
| hasTower | yes ⓘ |
| heritageStatus | historic landmark ⓘ |
| isHistoric | yes ⓘ |
| isLandmark | yes ⓘ |
| isTouristAttraction | yes ⓘ |
| languageOfLiturgy |
Chinese
ⓘ
English ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco Chinatown ⓘ
surface form:
Chinatown, San Francisco
San Francisco ⓘ |
| material |
brick
ⓘ
stone ⓘ |
| namedAfter |
Virgin Mary
ⓘ
surface form:
Mary, mother of Jesus
|
| notableFor |
being a prominent landmark in San Francisco Chinatown
ⓘ
being one of the oldest surviving religious buildings in San Francisco ⓘ |
| openToPublic | yes ⓘ |
| region | West Coast of the United States ⓘ |
| religion | Christianity ⓘ |
| religiousAffiliation |
Roman Catholicism
ⓘ
surface form:
Roman Catholic Church
|
| state |
California, United States
ⓘ
surface form:
California
|
| use |
place of worship
ⓘ
tourist attraction ⓘ |
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: Old St. Mary’s Cathedral Description of subject: Old St. Mary’s Cathedral is a historic Catholic church in San Francisco known as one of the city’s oldest surviving religious buildings and a prominent landmark in Chinatown.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chinatown (San Francisco)
this entity surface form:
Old Saint Mary’s Cathedral