Saint Isaac's Cathedral
E9870
Saint Isaac's Cathedral is a monumental 19th-century Russian Orthodox church in St. Petersburg, renowned for its massive gilded dome and richly decorated interior.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Saint Isaac's Cathedral canonical | 25 |
| Saint Isaac’s Cathedral | 2 |
| St Isaac’s Cathedral | 1 |
| State Museum of Saint Isaac's Cathedral | 1 |
| Исаакиевский собор | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T46769 — 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: Saint Isaac's Cathedral Context triple: [St. Petersburg, hasLandmark, Saint Isaac's Cathedral]
-
A.
Church of the Savior on Spilled Blood
The Church of the Savior on Spilled Blood is a richly decorated Russian Orthodox church in St. Petersburg, famed for its colorful onion domes and elaborate mosaics commemorating the site of Tsar Alexander II’s assassination.
-
B.
Kremlin
The Kremlin is a historic fortified complex in the heart of Moscow that serves as the official residence of the Russian president and a symbol of Russian political power.
-
C.
Mariinsky Theatre
The Mariinsky Theatre is a historic opera and ballet house in Saint Petersburg, Russia, renowned as one of the world’s leading centers for classical music and performing arts.
-
D.
Kremlin Wall Necropolis
The Kremlin Wall Necropolis is a prestigious burial site in Moscow’s Red Square where many prominent Soviet leaders and figures are interred.
-
E.
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.
- 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: Saint Isaac's Cathedral Target entity description: Saint Isaac's Cathedral is a monumental 19th-century Russian Orthodox church in St. Petersburg, renowned for its massive gilded dome and richly decorated interior.
-
A.
Church of the Savior on Spilled Blood
The Church of the Savior on Spilled Blood is a richly decorated Russian Orthodox church in St. Petersburg, famed for its colorful onion domes and elaborate mosaics commemorating the site of Tsar Alexander II’s assassination.
-
B.
Kremlin
The Kremlin is a historic fortified complex in the heart of Moscow that serves as the official residence of the Russian president and a symbol of Russian political power.
-
C.
Mariinsky Theatre
The Mariinsky Theatre is a historic opera and ballet house in Saint Petersburg, Russia, renowned as one of the world’s leading centers for classical music and performing arts.
-
D.
Kremlin Wall Necropolis
The Kremlin Wall Necropolis is a prestigious burial site in Moscow’s Red Square where many prominent Soviet leaders and figures are interred.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Russian Orthodox church
ⓘ
cathedral ⓘ landmark ⓘ |
| architect | Auguste de Montferrand ⓘ |
| architecturalStyle |
Empire style
ⓘ
Neoclassical architecture ⓘ |
| commissionedBy |
Alexander I of Russia
ⓘ
surface form:
Emperor Alexander I of Russia
|
| completionDate | 1858 ⓘ |
| constructionDuration | 40 years ⓘ |
| country | Russia ⓘ |
| dedicatedTo | Saint Isaac of Dalmatia ⓘ |
| domeDiameter | about 25.8 metres ⓘ |
| floorPlanType | Greek cross plan ⓘ |
| function |
museum
ⓘ
place of worship ⓘ |
| groundbreakingDate | 1818 ⓘ |
| hasArtworkBy |
Fyodor Bruni
ⓘ
Karl Bryullov ⓘ Pyotr Basin ⓘ |
| hasBells | bell tower in main dome ⓘ |
| hasDome | gilded main dome ⓘ |
| hasFeature |
bronze doors with reliefs
ⓘ
iconostasis ⓘ massive granite columns ⓘ mosaics ⓘ observation colonnade ⓘ painted ceilings ⓘ richly decorated interior ⓘ sculptural groups on pediments ⓘ |
| hasMainDome | central gilded dome ⓘ |
| hasSecondaryDome | four smaller corner domes ⓘ |
| height | about 101.5 metres ⓘ |
| heritageStatus | cultural heritage monument of federal significance in Russia ⓘ |
| locatedIn |
Saint Isaac's Square
ⓘ
St. Petersburg ⓘ
surface form:
Saint Petersburg
|
| material |
bronze
ⓘ
granite ⓘ iron ⓘ marble ⓘ |
| namedAfter | Saint Isaac of Dalmatia ⓘ |
| notableFor |
massive gilded dome
ⓘ
panoramic views of Saint Petersburg ⓘ |
| numberOfDomes | 5 ⓘ |
| owner |
St. Petersburg
ⓘ
surface form:
City of Saint Petersburg
|
| precededBy |
earlier wooden church of Saint Isaac
ⓘ
stone church of Saint Isaac ⓘ |
| religion | Russian Orthodox Church ⓘ |
| reopenedForWorship | late 20th century ⓘ |
| touristAttraction | major tourist attraction in Saint Petersburg ⓘ |
| usedAs | Museum of the History of Religion and Atheism during Soviet era ⓘ |
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: Saint Isaac's Cathedral Description of subject: Saint Isaac's Cathedral is a monumental 19th-century Russian Orthodox church in St. Petersburg, renowned for its massive gilded dome and richly decorated interior.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
Historic Centre of Saint Petersburg and Related Groups of Monuments
→
hasPart
→
Saint Isaac's Cathedral
ⓘ
this entity surface form:
St Isaac’s Cathedral
Museum of the History of Religion and Atheism during Soviet era
→
housedIn
→
Saint Isaac's Cathedral
ⓘ
subject surface form:
Museum of the History of Religion and Atheism
Museum of the History of Religion and Atheism during Soviet era
→
buildingName
→
Saint Isaac's Cathedral
ⓘ
subject surface form:
Museum of the History of Religion and Atheism
this entity surface form:
Saint Isaac’s Cathedral
this entity surface form:
Saint Isaac’s Cathedral
this entity surface form:
Исаакиевский собор
this entity surface form:
State Museum of Saint Isaac's Cathedral
subject surface form:
Auguste de Montferrand