Maxi Trial of Palermo
E921331
The Maxi Trial of Palermo was a landmark 1986–1992 Italian criminal proceeding in which hundreds of Sicilian Mafia members were prosecuted, fundamentally exposing and challenging Cosa Nostra’s power.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Maxi Trial against the Sicilian Mafia | 1 |
| Maxi Trial of Palermo canonical | 1 |
| Maxiprocesso di Palermo | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11361070 — 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 of Palermo Context triple: [Giovanni Falcone, participantIn, Maxi Trial of Palermo]
-
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.
Verona trial
The Verona trial was a 1944 Fascist show trial in the Italian Social Republic that prosecuted former Fascist leaders, including Emilio De Bono, for their role in deposing Benito Mussolini.
-
C.
Trial of the Seventeen
Trial of the Seventeen is a fantasy novel in the Spellmonger series by Terry Mancour, continuing the epic tale of mage Minalan and his allies as they confront escalating magical and political threats.
-
D.
Trial of the Seventeen
Trial of the Seventeen was a 1937 Soviet show trial in Moscow in which several prominent Old Bolsheviks and officials were prosecuted on fabricated charges during Stalin’s Great Purge.
-
E.
Homma trial
The Homma trial was a post–World War II U.S. military tribunal that prosecuted Japanese General Masaharu Homma for war crimes committed by his forces against American and Filipino prisoners in the Philippines.
- 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 of Palermo Target entity description: The Maxi Trial of Palermo was a landmark 1986–1992 Italian criminal proceeding in which hundreds of Sicilian Mafia members were prosecuted, fundamentally exposing and challenging Cosa Nostra’s power.
-
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.
Verona trial
The Verona trial was a 1944 Fascist show trial in the Italian Social Republic that prosecuted former Fascist leaders, including Emilio De Bono, for their role in deposing Benito Mussolini.
-
C.
Trial of the Seventeen
Trial of the Seventeen is a fantasy novel in the Spellmonger series by Terry Mancour, continuing the epic tale of mage Minalan and his allies as they confront escalating magical and political threats.
-
D.
Trial of the Seventeen
Trial of the Seventeen was a 1937 Soviet show trial in Moscow in which several prominent Old Bolsheviks and officials were prosecuted on fabricated charges during Stalin’s Great Purge.
-
E.
Homma trial
The Homma trial was a post–World War II U.S. military tribunal that prosecuted Japanese General Masaharu Homma for war crimes committed by his forces against American and Filipino prisoners in the Philippines.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
criminal trial
ⓘ
judicial proceeding ⓘ maxi trial ⓘ |
| aim | to dismantle the leadership structure of Cosa Nostra ⓘ |
| alsoKnownAs |
Maxi Trial against the Sicilian Mafia
ⓘ
linked to:
Maxi Trial of Palermo
Maxiprocesso di Palermo ⓘ
linked to:
Maxi Trial of Palermo
|
| appealCourt |
Corte d’Assise d’Appello of Palermo
ⓘ
linked to:
Court of Palermo
|
| basedOn |
testimony of Salvatore Contorno
ⓘ
testimony of Tommaso Buscetta ⓘ |
| charges |
criminal association
ⓘ
drug trafficking ⓘ extortion ⓘ mafia-type association ⓘ murder ⓘ |
| country | Italy ⓘ |
| court |
Corte d’Assise of Palermo
ⓘ
linked to:
Court of Palermo
|
| endDate | 1992-01-30 ⓘ |
| evidenceType |
documentary evidence
ⓘ
pentito (state witness) testimonies ⓘ wiretaps ⓘ |
| finalAppealCourt |
Corte di Cassazione
ⓘ
linked to:
Supreme Court of Cassation of Italy
|
| finalJudgmentYear | 1992 ⓘ |
| historicalSignificance |
landmark in the Italian state’s fight against organized crime
ⓘ
one of the largest anti-mafia trials in history ⓘ |
| impact |
established judicial recognition of Cosa Nostra as a unified criminal organization
ⓘ
significant weakening of Cosa Nostra’s power ⓘ strengthened use of pentiti in Italian anti-mafia prosecutions ⓘ |
| judge | Alfonso Giordano NERFINISHED ⓘ |
| jurisdiction | Italian Republic ⓘ |
| legalInnovation | application of the crime of mafia-type association (article 416-bis of the Italian Penal Code) ⓘ |
| legalSystem | Italian criminal law ⓘ |
| location | Palermo ⓘ |
| mainSubject |
Cosa Nostra
ⓘ
linked to:
La Cosa Nostra
|
| numberOfAcquittals | over 100 ⓘ |
| numberOfConvictions | over 300 ⓘ |
| numberOfDefendants | over 450 ⓘ |
| numberOfIndictedMafiosi | hundreds ⓘ |
| numberOfLifeSentences | dozens ⓘ |
| presidingJudge | Alfonso Giordano NERFINISHED ⓘ |
| prosecutor |
Antonino Caponnetto
NERFINISHED
ⓘ
Giovanni Falcone ⓘ Paolo Borsellino ⓘ Roberto Scarpinato NERFINISHED ⓘ |
| region | Sicily ⓘ |
| relatedEvent | Second Mafia War ⓘ |
| relatedLaw |
Italian Penal Code article 416-bis
ⓘ
linked to:
Italian Criminal Code
|
| relatedOrganization |
Antimafia Pool
ⓘ
linked to:
Falcone-Borsellino anti-Mafia pool
|
| result | confirmation of most convictions on appeal and in Cassation ⓘ |
| securityLevel | high security ⓘ |
| startDate | 1986-02-10 ⓘ |
| venue | bunker courtroom of the Ucciardone prison ⓘ |
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 of Palermo Description of subject: The Maxi Trial of Palermo was a landmark 1986–1992 Italian criminal proceeding in which hundreds of Sicilian Mafia members were prosecuted, fundamentally exposing and challenging Cosa Nostra’s power.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Maxi Trial of Palermo
linked to: Maxi Trial of Palermo