St. John’s Co-Cathedral
E253079
St. John’s Co-Cathedral is a richly decorated 16th-century Baroque Roman Catholic church in Valletta, Malta, renowned for its ornate interior and its collection of artworks including Caravaggio’s masterpieces.
All labels observed (4)
| Label | Occurrences |
|---|---|
| St. John’s Co-Cathedral canonical | 2 |
| St John’s Co-Cathedral in Valletta | 1 |
| St. John's Co-Cathedral, Valletta, Malta | 1 |
| St. John’s Co-Cathedral Foundation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2288240 — 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: St. John’s Co-Cathedral Context triple: [Valletta, hasLandmark, St. John’s Co-Cathedral]
-
A.
Cathedral Basilica of St. John the Apostle and Evangelist
The Cathedral Basilica of St. John the Apostle and Evangelist is the principal Roman Catholic cathedral of Lima, Peru, renowned for its historic architecture and role as the seat of the city's archbishop.
-
B.
Dili Cathedral
Dili Cathedral is the main Roman Catholic cathedral and one of the most prominent religious and cultural landmarks in the capital city of Timor-Leste.
-
C.
St. John’s Cathedral
St. John’s Cathedral is a historic Anglican church in Belize City, renowned as one of the oldest surviving colonial-era churches in Central America.
-
D.
Cathedral of Saint Mary of the See
The Cathedral of Saint Mary of the See is a vast Gothic cathedral in Seville, Spain, renowned as one of the largest churches in the world and a UNESCO World Heritage Site.
-
E.
Sameba Cathedral
Sameba Cathedral is a monumental Georgian Orthodox cathedral in Tbilisi and one of the largest religious buildings in the Caucasus.
- 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: St. John’s Co-Cathedral Target entity description: St. John’s Co-Cathedral is a richly decorated 16th-century Baroque Roman Catholic church in Valletta, Malta, renowned for its ornate interior and its collection of artworks including Caravaggio’s masterpieces.
-
A.
Cathedral Basilica of St. John the Apostle and Evangelist
The Cathedral Basilica of St. John the Apostle and Evangelist is the principal Roman Catholic cathedral of Lima, Peru, renowned for its historic architecture and role as the seat of the city's archbishop.
-
B.
Dili Cathedral
Dili Cathedral is the main Roman Catholic cathedral and one of the most prominent religious and cultural landmarks in the capital city of Timor-Leste.
-
C.
St. John’s Cathedral
St. John’s Cathedral is a historic Anglican church in Belize City, renowned as one of the oldest surviving colonial-era churches in Central America.
-
D.
Cathedral of Saint Mary of the See
The Cathedral of Saint Mary of the See is a vast Gothic cathedral in Seville, Spain, renowned as one of the largest churches in the world and a UNESCO World Heritage Site.
-
E.
Sameba Cathedral
Sameba Cathedral is a monumental Georgian Orthodox cathedral in Tbilisi and one of the largest religious buildings in the Caucasus.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Baroque church
ⓘ
Roman Catholic co-cathedral ⓘ cultural heritage monument ⓘ tourist attraction ⓘ |
| architect | Girolamo Cassar ⓘ |
| architecturalStyle |
Baroque architecture
ⓘ
linked to:
Baroque
|
| belongsToOrderTradition |
Order of Malta
ⓘ
linked to:
Order of Saint John
|
| coCathedralOf | Archdiocese of Malta ⓘ |
| constructionEnd | 1577 ⓘ |
| constructionStart | 1572 ⓘ |
| country | Malta ⓘ |
| dedicatedTo |
Saint John the Baptist
ⓘ
linked to:
John the Baptist
|
| denomination | Latin Church ⓘ |
| floorPlanType | basilica plan ⓘ |
| foundedBy | Grand Master Jean de la Cassière ⓘ |
| function |
concert venue
ⓘ
place of worship ⓘ tourist attraction ⓘ |
| governingBody |
St. John’s Co-Cathedral Foundation
ⓘ
linked to:
St. John’s Co-Cathedral
|
| hasArtworkBy |
Caravaggio
ⓘ
Fra Filippo Paladini ⓘ Mattia Preti ⓘ |
| hasFeature |
crypt containing tombs of Grand Masters
ⓘ
large dome ⓘ marble inlaid tombstones on the floor ⓘ organ ⓘ ornate gilded stone carvings ⓘ painted vaulted ceiling ⓘ richly decorated interior ⓘ side chapels for different langues of the Order ⓘ |
| heritageDesignation | Grade 1 national monument of Malta ⓘ |
| interiorStyle | High Baroque ⓘ |
| locatedIn | Republic Street, Valletta ⓘ |
| locatedInCity | Valletta ⓘ |
| locatedInHistoricArea |
Valletta UNESCO World Heritage Site
ⓘ
linked to:
Valletta
|
| material | limestone ⓘ |
| notableFor |
Caravaggio masterpieces
ⓘ
collection of Baroque art ⓘ elaborate Baroque interior decoration ⓘ ornate marble floor ⓘ |
| notableWorkContained |
Saint Jerome Writing
ⓘ
The Beheading of Saint John the Baptist ⓘ
linked to:
Beheading of John the Baptist
ceiling paintings by Mattia Preti ⓘ |
| numberOfBellTowers | 2 ⓘ |
| originallyBuiltFor |
Knights Hospitaller
ⓘ
Order of St. John ⓘ
linked to:
Order of Saint John
|
| region | Mediterranean ⓘ |
| religiousAffiliation |
Roman Catholic Church
ⓘ
linked to:
Roman Catholicism
|
| rite | Roman Rite ⓘ |
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: St. John’s Co-Cathedral Description of subject: St. John’s Co-Cathedral is a richly decorated 16th-century Baroque Roman Catholic church in Valletta, Malta, renowned for its ornate interior and its collection of artworks including Caravaggio’s masterpieces.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: St. John’s Co-Cathedral
linked to: St. John’s Co-Cathedral
linked to: St. John’s Co-Cathedral