Manaca Iznaga tower
E339196
The Manaca Iznaga tower is a historic 19th-century bell tower in Cuba’s Valley de los Ingenios, built by a sugar plantation owner and now a prominent symbol of the region’s colonial sugar industry and slave history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Manaca Iznaga tower canonical | 2 |
| Iznaga Tower | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3232002 — 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: Manaca Iznaga tower Context triple: [Trinidad and the Valley de los Ingenios, notableStructure, Manaca Iznaga tower]
-
A.
Daliborka Tower
Daliborka Tower is a late Gothic defensive tower and former prison located within Prague Castle in Prague, Czech Republic.
-
B.
Santa Marija Tower
Santa Marija Tower is a 17th-century coastal watchtower on the Maltese island of Comino, historically used for coastal defense and maritime surveillance.
-
C.
Clock Tower of Podgorica
The Clock Tower of Podgorica is an iconic 17th-century Ottoman-era tower and one of the most recognizable historical symbols of Montenegro’s capital city.
-
D.
Torreão
Torreão is a neighborhood in the Brazilian coastal city of Recife, known for its urban residential character and proximity to the city’s central areas.
-
E.
Gorizia Castle
Gorizia Castle is a medieval fortress in the Italian town of Gorizia, notable for its hilltop position, well-preserved defensive structures, and role in the region’s historical conflicts.
- 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: Manaca Iznaga tower Target entity description: The Manaca Iznaga tower is a historic 19th-century bell tower in Cuba’s Valley de los Ingenios, built by a sugar plantation owner and now a prominent symbol of the region’s colonial sugar industry and slave history.
-
A.
Daliborka Tower
Daliborka Tower is a late Gothic defensive tower and former prison located within Prague Castle in Prague, Czech Republic.
-
B.
Santa Marija Tower
Santa Marija Tower is a 17th-century coastal watchtower on the Maltese island of Comino, historically used for coastal defense and maritime surveillance.
-
C.
Clock Tower of Podgorica
The Clock Tower of Podgorica is an iconic 17th-century Ottoman-era tower and one of the most recognizable historical symbols of Montenegro’s capital city.
-
D.
Torreão
Torreão is a neighborhood in the Brazilian coastal city of Recife, known for its urban residential character and proximity to the city’s central areas.
-
E.
Gorizia Castle
Gorizia Castle is a medieval fortress in the Italian town of Gorizia, notable for its hilltop position, well-preserved defensive structures, and role in the region’s historical conflicts.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
bell tower
ⓘ
historic monument ⓘ tourist attraction ⓘ |
| access | internal staircase for visitors ⓘ |
| architecturalStyle | colonial ⓘ |
| associatedWith |
colonial history of Cuba
ⓘ
slave labor ⓘ sugar industry ⓘ |
| builtFor | sugar plantation ⓘ |
| constructionStartTime | 19th century ⓘ |
| country | Cuba ⓘ |
| culturalSignificance | reminder of slavery in Cuban sugar plantations ⓘ |
| currentUse |
historical monument
ⓘ
tourist viewpoint ⓘ |
| era | Spanish colonial period in Cuba ⓘ |
| functionInPast |
to monitor enslaved workers
ⓘ
to oversee sugar cane fields ⓘ |
| hasPart |
bells
ⓘ
observation platform ⓘ staircase ⓘ |
| height | approximately 45 meters ⓘ |
| heritageContext |
Valle de los Ingenios
ⓘ
linked to:
Trinidad and the Valley de los Ingenios
|
| inception | 19th century ⓘ |
| locatedIn |
Cuba
ⓘ
Sancti Spíritus Province ⓘ
linked to:
Sancti Spíritus
Valle de los Ingenios ⓘ
linked to:
Trinidad and the Valley de los Ingenios
|
| materialUsed | masonry ⓘ |
| namedAfter | Pedro Iznaga ⓘ |
| near |
Trinidad, Cuba
ⓘ
linked to:
Trinidad
|
| numberOfLevels | multiple stories ⓘ |
| ownerInPast | Iznaga family ⓘ |
| partOf |
Manaca Iznaga estate
ⓘ
UNESCO World Heritage Site "Trinidad and the Valley de los Ingenios" ⓘ
linked to:
Trinidad and the Valley de los Ingenios
|
| region | central Cuba ⓘ |
| symbolOf |
Cuba’s colonial sugar industry
ⓘ
Valle de los Ingenios ⓘ
linked to:
Trinidad and the Valley de los Ingenios
history of slavery in Cuba ⓘ |
| tourism | popular destination in central Cuba ⓘ |
| UNESCOInscriptionYear | 1988 ⓘ |
| UNESCOWorldHeritageStatus | within inscribed area ⓘ |
| use |
bell tower
ⓘ
observation tower ⓘ watchtower ⓘ |
| viewOver |
Valle de los Ingenios sugar plantations
ⓘ
linked to:
Trinidad and the Valley de los Ingenios
|
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: Manaca Iznaga tower Description of subject: The Manaca Iznaga tower is a historic 19th-century bell tower in Cuba’s Valley de los Ingenios, built by a sugar plantation owner and now a prominent symbol of the region’s colonial sugar industry and slave history.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Manaca Iznaga tower