Presa de Proserpina
E900960
Presa de Proserpina is an ancient Roman dam and reservoir near Mérida, Spain, notable for its well-preserved engineering and role in supplying water to the historic city of Emerita Augusta.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Presa de Proserpina canonical | 1 |
| Proserpina Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11042477 — 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: Presa de Proserpina Context triple: [Mérida, Spain, hasStructure, Presa de Proserpina]
-
A.
Presa di Roma
Presa di Roma is the Italian name for the 1870 Capture of Rome, the military action that ended the Papal States and completed the unification of Italy.
-
B.
Bassano Dam
Bassano Dam is a major irrigation and water-control structure on the Bow River in Alberta, Canada, supporting regional agriculture and water management.
-
C.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
-
D.
Stratos Dam
Stratos Dam is a major hydroelectric dam in western Greece that harnesses the Acheloos River for power generation and water management.
-
E.
Alcántara Dam
Alcántara Dam is a large hydroelectric dam on the Tagus River in western Spain, known for its significant role in power generation and water management.
- 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: Presa de Proserpina Target entity description: Presa de Proserpina is an ancient Roman dam and reservoir near Mérida, Spain, notable for its well-preserved engineering and role in supplying water to the historic city of Emerita Augusta.
-
A.
Presa di Roma
Presa di Roma is the Italian name for the 1870 Capture of Rome, the military action that ended the Papal States and completed the unification of Italy.
-
B.
Bassano Dam
Bassano Dam is a major irrigation and water-control structure on the Bow River in Alberta, Canada, supporting regional agriculture and water management.
-
C.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
-
D.
Stratos Dam
Stratos Dam is a major hydroelectric dam in western Greece that harnesses the Acheloos River for power generation and water management.
-
E.
Alcántara Dam
Alcántara Dam is a large hydroelectric dam on the Tagus River in western Spain, known for its significant role in power generation and water management.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ancient Roman dam
ⓘ
reservoir ⓘ |
| basinCountry | Spain ⓘ |
| builder | ancient Romans ⓘ |
| connectsTo |
Roman aqueducts of Mérida
ⓘ
linked to:
Roman aqueduct system of Emerita Augusta
|
| constructionStart | 1st century AD ⓘ |
| coordinateLocation | approximately 38.95°N 6.35°W ⓘ |
| country | Spain ⓘ |
| creates |
Proserpina reservoir
ⓘ
linked to:
Proserpina Reservoir
|
| currentUse |
cultural heritage site
ⓘ
recreational reservoir ⓘ tourist attraction ⓘ |
| hasPart |
earthen embankment
ⓘ
masonry retaining wall ⓘ outlet works ⓘ spillway ⓘ |
| heritageDesignation |
Bien de Interés Cultural
ⓘ
UNESCO World Heritage Site component ⓘ |
| heritageStatusCountry | Spain ⓘ |
| inception | Roman Imperial period ⓘ |
| length | approximately 425 m ⓘ |
| locatedIn |
Extremadura
ⓘ
Iberian Peninsula ⓘ Mérida ⓘ autonomous community of Extremadura ⓘ province of Badajoz ⓘ
linked to:
Province of Badajoz
|
| locatedInProtectedArea |
Archaeological Ensemble of Mérida World Heritage Site
ⓘ
linked to:
Archaeological Ensemble of Mérida
|
| locatedNear |
Mérida
ⓘ
Roman city of Emerita Augusta ⓘ |
| locatedOn |
Proserpina reservoir
ⓘ
linked to:
Proserpina Reservoir
|
| materialUsed |
ashlar masonry
ⓘ
concrete ⓘ rubble masonry ⓘ |
| maximumHeight | approximately 21 m ⓘ |
| notableFor |
Roman hydraulic engineering
ⓘ
longevity of operation ⓘ state of preservation ⓘ |
| partOf | Archaeological Ensemble of Mérida ⓘ |
| reservoirCapacity | approximately 5 million cubic metres ⓘ |
| significantPeriod |
Roman Empire
ⓘ
modern era ⓘ |
| supplied |
Emerita Augusta
ⓘ
linked to:
Augusta Emerita
|
| tourismType |
cultural tourism
ⓘ
heritage tourism ⓘ |
| usedFor |
irrigation
ⓘ
urban water supply of Emerita Augusta ⓘ water supply ⓘ |
| watercourse | Rivilla stream basin ⓘ |
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: Presa de Proserpina Description of subject: Presa de Proserpina is an ancient Roman dam and reservoir near Mérida, Spain, notable for its well-preserved engineering and role in supplying water to the historic city of Emerita Augusta.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Presa de Proserpina