Stefano Magaddino
E497676
Stefano Magaddino was a powerful mid-20th-century American Mafia boss who led the Buffalo crime family and sat on the national Mafia Commission.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stefano Magaddino canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T5145182 — 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: Stefano Magaddino Context triple: [Commission (American Mafia), notableBossParticipant, Stefano Magaddino]
-
A.
Salvatore Lucania
Salvatore Lucania, better known as Lucky Luciano, was a pivotal Italian-American mobster who helped create the modern American Mafia and organized crime syndicate structure in the United States.
-
B.
Luciano De Feo
Luciano De Feo was an Italian film producer and cultural figure best known for establishing the prestigious Venice Film Festival, one of the world’s oldest and most influential film festivals.
-
C.
Roberto Ruffo di Calabria
Roberto Ruffo di Calabria is a member of the Italian noble Ruffo di Calabria family, descended from the World War I flying ace and aristocrat Fulco Ruffo di Calabria.
-
D.
Salvatore Fiume
Salvatore Fiume was an Italian painter, sculptor, architect, and writer known for his vibrant figurative works and contributions to mid-20th-century European art.
-
E.
Ignazio Marino
Ignazio Marino is an Italian surgeon and politician who served as the Mayor of Rome from 2013 to 2015.
- 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: Stefano Magaddino Target entity description: Stefano Magaddino was a powerful mid-20th-century American Mafia boss who led the Buffalo crime family and sat on the national Mafia Commission.
-
A.
Salvatore Lucania
Salvatore Lucania, better known as Lucky Luciano, was a pivotal Italian-American mobster who helped create the modern American Mafia and organized crime syndicate structure in the United States.
-
B.
Luciano De Feo
Luciano De Feo was an Italian film producer and cultural figure best known for establishing the prestigious Venice Film Festival, one of the world’s oldest and most influential film festivals.
-
C.
Roberto Ruffo di Calabria
Roberto Ruffo di Calabria is a member of the Italian noble Ruffo di Calabria family, descended from the World War I flying ace and aristocrat Fulco Ruffo di Calabria.
-
D.
Salvatore Fiume
Salvatore Fiume was an Italian painter, sculptor, architect, and writer known for his vibrant figurative works and contributions to mid-20th-century European art.
-
E.
Ignazio Marino
Ignazio Marino is an Italian surgeon and politician who served as the Mayor of Rome from 2013 to 2015.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
American of Italian descent
ⓘ
Italian-American ⓘ Mafia boss ⓘ human ⓘ mobster ⓘ organized crime figure ⓘ |
| activity |
gambling operations
ⓘ
labor racketeering ⓘ loan sharking ⓘ narcotics trafficking ⓘ organized crime ⓘ |
| areaOfInfluence |
Buffalo, New York
ⓘ
linked to:
Buffalo
Niagara Falls region ⓘ Ontario, Canada ⓘ
linked to:
Ontario
Western New York ⓘ |
| birthName | Stefano Magaddino ⓘ |
| bossOf | Buffalo crime family ⓘ |
| citizenship | United States of America ⓘ |
| countryOfActivity |
Canada
ⓘ
United States of America ⓘ |
| countryOfOrigin | Italy ⓘ |
| criminalOrganization |
American Mafia
ⓘ
linked to:
La Cosa Nostra
Buffalo crime family ⓘ |
| criminalStatus | organized crime leader ⓘ |
| ethnicity | Sicilian ⓘ |
| leaderOf | Buffalo crime family ⓘ |
| memberOf |
American Mafia
ⓘ
linked to:
La Cosa Nostra
Buffalo crime family ⓘ Mafia Commission ⓘ
linked to:
Mafia Commission Trial
|
| name | Stefano Magaddino ⓘ |
| nickname | The Undertaker ⓘ |
| notableFor |
being a powerful mid-20th-century American Mafia boss
ⓘ
leading the Buffalo crime family ⓘ |
| occupation |
Mafia boss
ⓘ
bootlegger ⓘ racketeer ⓘ |
| positionHeld |
head of the Buffalo crime family
ⓘ
member of the national Mafia Commission ⓘ |
| powerStatus | powerful Mafia boss ⓘ |
| role |
Commission member
ⓘ
senior Mafia leader ⓘ |
| timePeriod | mid-20th century ⓘ |
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: Stefano Magaddino Description of subject: Stefano Magaddino was a powerful mid-20th-century American Mafia boss who led the Buffalo crime family and sat on the national Mafia Commission.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.