Maria Anna Cecilia Sofia Kalogeropoulos
E444210
Maria Anna Cecilia Sofia Kalogeropoulos, better known as Maria Callas, was a renowned 20th-century Greek-American soprano celebrated for her dramatic intensity, vocal range, and transformative impact on opera performance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Maria Anna Cecilia Sofia Kalogeropoulos canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4471437 — 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: Maria Anna Cecilia Sofia Kalogeropoulos Context triple: [Maria Callas, birthName, Maria Anna Cecilia Sofia Kalogeropoulos]
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A.
Princess Theodora of Greece and Denmark
Princess Theodora of Greece and Denmark is a member of the former Greek royal family and the Danish royal house, known as the daughter of King Constantine II of Greece and Queen Anne-Marie of Denmark.
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B.
Princess Theodora of Greece and Denmark
Princess Theodora of Greece and Denmark was a Greek and Danish royal princess of the early 20th century, known as the daughter of Prince Andrew of Greece and Denmark and the mother of Princess Margarita of Baden.
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C.
Polyxena of Hesse-Rotenburg
Polyxena of Hesse-Rotenburg was a German princess who became Queen consort of Sardinia through her marriage to King Charles Emmanuel III.
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D.
Maria Laskarina
Maria Laskarina was a 13th-century Byzantine princess and Hungarian queen consort, daughter of Emperor Theodore I Laskaris and wife of King Béla IV of Hungary.
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E.
Katherine of Greece and Denmark
Katherine of Greece and Denmark was a Greek princess, the youngest daughter of King Constantine I of Greece and Queen Sophia, who later became Lady Katherine Brandram after marrying into the British aristocracy.
- 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: Maria Anna Cecilia Sofia Kalogeropoulos Target entity description: Maria Anna Cecilia Sofia Kalogeropoulos, better known as Maria Callas, was a renowned 20th-century Greek-American soprano celebrated for her dramatic intensity, vocal range, and transformative impact on opera performance.
-
A.
Princess Theodora of Greece and Denmark
Princess Theodora of Greece and Denmark is a member of the former Greek royal family and the Danish royal house, known as the daughter of King Constantine II of Greece and Queen Anne-Marie of Denmark.
-
B.
Princess Theodora of Greece and Denmark
Princess Theodora of Greece and Denmark was a Greek and Danish royal princess of the early 20th century, known as the daughter of Prince Andrew of Greece and Denmark and the mother of Princess Margarita of Baden.
-
C.
Polyxena of Hesse-Rotenburg
Polyxena of Hesse-Rotenburg was a German princess who became Queen consort of Sardinia through her marriage to King Charles Emmanuel III.
-
D.
Maria Laskarina
Maria Laskarina was a 13th-century Byzantine princess and Hungarian queen consort, daughter of Emperor Theodore I Laskaris and wife of King Béla IV of Hungary.
-
E.
Katherine of Greece and Denmark
Katherine of Greece and Denmark was a Greek princess, the youngest daughter of King Constantine I of Greece and Queen Sophia, who later became Lady Katherine Brandram after marrying into the British aristocracy.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
20th-century singer
ⓘ
Greek-American person ⓘ classical musician ⓘ human ⓘ opera singer ⓘ operatic soprano ⓘ |
| activePeriod | mid-20th century ⓘ |
| alsoKnownAs |
La Callas
NERFINISHED
ⓘ
Maria Callas NERFINISHED ⓘ Maria Meneghini Callas NERFINISHED ⓘ |
| associatedWith |
La Scala
NERFINISHED
ⓘ
Metropolitan Opera NERFINISHED ⓘ Royal Opera House NERFINISHED ⓘ |
| birthName | Maria Anna Cecilia Sofia Kalogeropoulos NERFINISHED ⓘ |
| causeOfDeath | heart attack ⓘ |
| citizenship |
Greece
NERFINISHED
ⓘ
United States of America ⓘ |
| countryOfActivity |
France
NERFINISHED
ⓘ
Greece NERFINISHED ⓘ Italy NERFINISHED ⓘ United States of America NERFINISHED ⓘ |
| dateOfBirth | 1923-12-02 ⓘ |
| dateOfDeath | 1977-09-16 ⓘ |
| ethnicGroup | Greek ⓘ |
| familyName | Kalogeropoulos NERFINISHED ⓘ |
| gender | female ⓘ |
| genre | opera ⓘ |
| givenName | Maria NERFINISHED ⓘ |
| influenced |
interpretation of bel canto repertoire
ⓘ
later generations of opera singers ⓘ |
| movement | bel canto revival ⓘ |
| notableFor |
dramatic intensity in performance
ⓘ
transformative impact on opera performance ⓘ wide vocal range ⓘ |
| notableWork |
Anna Bolena
NERFINISHED
ⓘ
I puritani NERFINISHED ⓘ Il trovatore NERFINISHED ⓘ La traviata NERFINISHED ⓘ Lucia di Lammermoor NERFINISHED ⓘ Medea NERFINISHED ⓘ Norma NERFINISHED ⓘ Tosca NERFINISHED ⓘ |
| occupation |
opera singer
ⓘ
soprano ⓘ |
| placeOfBirth |
New York City
ⓘ
United States of America ⓘ |
| placeOfDeath |
France
ⓘ
Paris ⓘ |
| spouse | Giovanni Battista Meneghini NERFINISHED ⓘ |
| voiceType | soprano ⓘ |
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: Maria Anna Cecilia Sofia Kalogeropoulos Description of subject: Maria Anna Cecilia Sofia Kalogeropoulos, better known as Maria Callas, was a renowned 20th-century Greek-American soprano celebrated for her dramatic intensity, vocal range, and transformative impact on opera performance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.