Muda Tower (Torre della Muda / Torre dei Gualandi)
E669705
Muda Tower, also known as Torre della Muda or Torre dei Gualandi, is a historic medieval tower in Pisa, Italy, infamous as the site where Count Ugolino della Gherardesca and his family were imprisoned and starved to death, an episode immortalized by Dante in the Divine Comedy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Muda Tower (Torre della Muda / Torre dei Gualandi) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7527262 — 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: Muda Tower (Torre della Muda / Torre dei Gualandi) Context triple: [Piazza dei Cavalieri, notableBuilding, Muda Tower (Torre della Muda / Torre dei Gualandi)]
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A.
Filarete Tower
Filarete Tower is the prominent central tower and main entrance feature of Milan’s historic Sforza Castle, originally designed by the Renaissance architect Filarete.
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B.
Ghirlandina Tower
Ghirlandina Tower is the iconic medieval bell tower of Modena’s cathedral in Italy, renowned for its Romanesque architecture and UNESCO World Heritage status.
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C.
Donat Tower
Donat Tower is a historic tower and notable architectural landmark located in the Saxon mining town of Freiberg, Germany.
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D.
Montale Tower
Montale Tower is one of the three historic defensive towers of San Marino, perched on Mount Titano and forming part of the UNESCO-listed historic centre.
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E.
Porta Torre
Porta Torre is a massive medieval stone gate and defensive tower that once formed part of the ancient city walls of Como, Italy.
- 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: Muda Tower (Torre della Muda / Torre dei Gualandi) Target entity description: Muda Tower, also known as Torre della Muda or Torre dei Gualandi, is a historic medieval tower in Pisa, Italy, infamous as the site where Count Ugolino della Gherardesca and his family were imprisoned and starved to death, an episode immortalized by Dante in the Divine Comedy.
-
A.
Filarete Tower
Filarete Tower is the prominent central tower and main entrance feature of Milan’s historic Sforza Castle, originally designed by the Renaissance architect Filarete.
-
B.
Ghirlandina Tower
Ghirlandina Tower is the iconic medieval bell tower of Modena’s cathedral in Italy, renowned for its Romanesque architecture and UNESCO World Heritage status.
-
C.
Donat Tower
Donat Tower is a historic tower and notable architectural landmark located in the Saxon mining town of Freiberg, Germany.
-
D.
Montale Tower
Montale Tower is one of the three historic defensive towers of San Marino, perched on Mount Titano and forming part of the UNESCO-listed historic centre.
-
E.
Porta Torre
Porta Torre is a massive medieval stone gate and defensive tower that once formed part of the ancient city walls of Como, Italy.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
historic building
ⓘ
medieval tower ⓘ tourist attraction ⓘ |
| alsoKnownAs |
Torre dei Gualandi
ⓘ
Torre della Muda ⓘ |
| architecturalStyle | medieval architecture ⓘ |
| associatedFamily | Gualandi family ⓘ |
| associatedWith |
Dante Alighieri
ⓘ
Ugolino della Gherardesca ⓘ
linked to:
Count Ugolino
|
| city | Pisa ⓘ |
| coordinateLocation | approximate coordinates 43.718°N 10.399°E ⓘ |
| country | Italy ⓘ |
| hasFunctionInHistory |
prison
ⓘ
tower of a noble family ⓘ |
| hasNameOrigin | Gualandi family ⓘ |
| hasTheme | betrayal and political conflict in medieval Pisa ⓘ |
| heritage | Italian cultural heritage ⓘ |
| historicalPeriod | Middle Ages ⓘ |
| languageOfName | Italian ⓘ |
| literarySignificance | setting of Count Ugolino episode in Dante's Inferno ⓘ |
| locatedIn |
Piazza dei Cavalieri
ⓘ
Pisa ⓘ Tuscany ⓘ |
| mentionedIn |
Divine Comedy
ⓘ
Inferno (Divine Comedy) ⓘ |
| notableEvent | imprisonment and death of Count Ugolino della Gherardesca and his family ⓘ |
| notableFor | site of Count Ugolino’s starvation ⓘ |
| partOf | historic center of Pisa ⓘ |
| region | Tuscany ⓘ |
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: Muda Tower (Torre della Muda / Torre dei Gualandi) Description of subject: Muda Tower, also known as Torre della Muda or Torre dei Gualandi, is a historic medieval tower in Pisa, Italy, infamous as the site where Count Ugolino della Gherardesca and his family were imprisoned and starved to death, an episode immortalized by Dante in the Divine Comedy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.