Maxi Trial against Cosa Nostra
E921330
The Maxi Trial against Cosa Nostra was a landmark 1986–1992 Italian criminal proceeding in Palermo that, largely thanks to the work of anti-mafia magistrates like Giovanni Falcone, led to hundreds of convictions and dealt an unprecedented blow to the Sicilian Mafia.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Maxi Trial against Cosa Nostra canonical | 1 |
| Maxi Trial against the Sicilian Mafia | 1 |
| Maxi Trial investigations | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11361059 — 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: Maxi Trial against Cosa Nostra Context triple: [Giovanni Falcone, notableFor, Maxi Trial against Cosa Nostra]
-
A.
Mafia Commission Trial
The Mafia Commission Trial was a landmark 1980s U.S. federal prosecution that targeted the leadership of New York’s Five Families, severely weakening the American Mafia’s governing body.
-
B.
La Cosa Nostra
La Cosa Nostra is a notorious Italian-American organized crime syndicate known for its hierarchical structure, code of silence, and involvement in activities such as extortion, racketeering, and illegal gambling.
-
C.
American Cosa Nostra
American Cosa Nostra is the nationwide organized crime network of Italian-American Mafia families in the United States, involved in activities such as racketeering, extortion, and illegal gambling.
-
D.
Le Clan des Siciliens
Le Clan des Siciliens is a classic 1969 French crime film, directed by Henri Verneuil, that follows a Sicilian mafia family's elaborate jewel heist and is renowned for its star trio Jean Gabin, Alain Delon, and Lino Ventura.
-
E.
La Mafia
La Mafia is a Grammy-winning American band from Houston, Texas, widely recognized for modernizing and popularizing Tejano music with a polished, pop-influenced sound.
- 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: Maxi Trial against Cosa Nostra Target entity description: The Maxi Trial against Cosa Nostra was a landmark 1986–1992 Italian criminal proceeding in Palermo that, largely thanks to the work of anti-mafia magistrates like Giovanni Falcone, led to hundreds of convictions and dealt an unprecedented blow to the Sicilian Mafia.
-
A.
Mafia Commission Trial
The Mafia Commission Trial was a landmark 1980s U.S. federal prosecution that targeted the leadership of New York’s Five Families, severely weakening the American Mafia’s governing body.
-
B.
La Cosa Nostra
La Cosa Nostra is a notorious Italian-American organized crime syndicate known for its hierarchical structure, code of silence, and involvement in activities such as extortion, racketeering, and illegal gambling.
-
C.
American Cosa Nostra
American Cosa Nostra is the nationwide organized crime network of Italian-American Mafia families in the United States, involved in activities such as racketeering, extortion, and illegal gambling.
-
D.
Le Clan des Siciliens
Le Clan des Siciliens is a classic 1969 French crime film, directed by Henri Verneuil, that follows a Sicilian mafia family's elaborate jewel heist and is renowned for its star trio Jean Gabin, Alain Delon, and Lino Ventura.
-
E.
La Mafia
La Mafia is a Grammy-winning American band from Houston, Texas, widely recognized for modernizing and popularizing Tejano music with a polished, pop-influenced sound.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Italian judicial proceeding
ⓘ
anti-mafia trial ⓘ criminal trial ⓘ |
| aim | to dismantle the leadership structure of Cosa Nostra ⓘ |
| alsoKnownAs |
Maxi Trial
NERFINISHED
ⓘ
Maxiprocesso NERFINISHED ⓘ |
| appealCourt | Corte d'Assise d'Appello of Palermo NERFINISHED ⓘ |
| charges |
criminal association
ⓘ
drug trafficking ⓘ extortion ⓘ multiple murders ⓘ |
| country | Italy ⓘ |
| court | Corte d'Assise of Palermo NERFINISHED ⓘ |
| defendant |
Bernardo Brusca
NERFINISHED
ⓘ
Giuseppe Lucchese NERFINISHED ⓘ Michele Greco NERFINISHED ⓘ Pippo Calò NERFINISHED ⓘ Salvatore Riina NERFINISHED ⓘ |
| endDate | 1992 ⓘ |
| evidenceSource | testimony of pentiti (mafia turncoats) ⓘ |
| finalAppealCourt | Corte di Cassazione NERFINISHED ⓘ |
| finalJudgmentDate | 1992 ⓘ |
| historicalPeriod | 1980s in Italy ⓘ |
| impactOnLaw | strengthening of anti-mafia legislation in Italy ⓘ |
| inspiredBy | work of the Antimafia Commission ⓘ |
| jurisdiction | Italian Republic NERFINISHED ⓘ |
| keyMagistrate |
Antonino Caponnetto
NERFINISHED
ⓘ
Giovanni Falcone NERFINISHED ⓘ Paolo Borsellino NERFINISHED ⓘ |
| languageOfProceeding | Italian ⓘ |
| legalOutcome |
confirmation of the existence of Cosa Nostra as a unified criminal organization
ⓘ
establishment of the concept of the Mafia as a criminal association (associazione di tipo mafioso) ⓘ |
| legalSystem | Italian criminal law ⓘ |
| location | Palermo NERFINISHED ⓘ |
| mainSubject | Cosa Nostra NERFINISHED ⓘ |
| notableWitness |
Salvatore Contorno
NERFINISHED
ⓘ
Tommaso Buscetta NERFINISHED ⓘ |
| numberOfDefendants | hundreds of alleged Cosa Nostra members ⓘ |
| organizedBy | Antimafia Pool of Palermo NERFINISHED ⓘ |
| presidingJudge | Alfonso Giordano NERFINISHED ⓘ |
| prosecutingAuthority | Palermo Public Prosecutor's Office NERFINISHED ⓘ |
| relatedEvent | Second Mafia War NERFINISHED ⓘ |
| relatedOrganization | Sicilian Mafia NERFINISHED ⓘ |
| result |
hundreds of convictions
ⓘ
unprecedented blow to the Sicilian Mafia ⓘ |
| securityMeasures | purpose-built high-security bunker courtroom in Palermo ⓘ |
| significance |
landmark in the fight against the Sicilian Mafia
ⓘ
model for later anti-mafia prosecutions in Italy ⓘ |
| startDate | 1986 ⓘ |
| typeOfCrimeAddressed | organized crime ⓘ |
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: Maxi Trial against Cosa Nostra Description of subject: The Maxi Trial against Cosa Nostra was a landmark 1986–1992 Italian criminal proceeding in Palermo that, largely thanks to the work of anti-mafia magistrates like Giovanni Falcone, led to hundreds of convictions and dealt an unprecedented blow to the Sicilian Mafia.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Maxi Trial investigations
this entity surface form:
Maxi Trial against the Sicilian Mafia