Roman dam of Proserpina
E782202
The Roman dam of Proserpina is an ancient Roman gravity dam near Mérida, Spain, renowned for its well-preserved masonry and continued use as part of the region’s water supply system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roman dam of Proserpina canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9178804 — 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: Roman dam of Proserpina Context triple: [Archaeological Ensemble of Mérida, hasPart, Roman dam of Proserpina]
-
A.
Aqua Traiana aqueduct
The Aqua Traiana aqueduct was an ancient Roman water supply system built under Emperor Trajan to bring water from sources near Lake Bracciano to the city of Rome.
-
B.
Aqua Paola aqueduct
The Aqua Paola aqueduct is a 17th-century Roman aqueduct and monumental fountain system that restored an ancient water supply to the city, culminating in the grand Fontana dell’Acqua Paola on the Janiculum Hill.
-
C.
Bridge of Vulci
The Bridge of Vulci is an ancient Etruscan-Roman stone bridge near the archaeological site of Vulci in central Italy, notable for its impressive arches spanning a deep river gorge.
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D.
Aqueduct of Pitigliano
The Aqueduct of Pitigliano is a historic Renaissance-era aqueduct in the Tuscan hill town of Pitigliano, Italy, notable for its striking arches integrated into the town’s dramatic tufa cliffs.
-
E.
Roman bridge of Canosa
The Roman bridge of Canosa is an ancient stone bridge in Canosa di Puglia, Italy, notable for its Roman engineering and historical significance as part of the region’s early transportation network.
- 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: Roman dam of Proserpina Target entity description: The Roman dam of Proserpina is an ancient Roman gravity dam near Mérida, Spain, renowned for its well-preserved masonry and continued use as part of the region’s water supply system.
-
A.
Aqua Traiana aqueduct
The Aqua Traiana aqueduct was an ancient Roman water supply system built under Emperor Trajan to bring water from sources near Lake Bracciano to the city of Rome.
-
B.
Aqua Paola aqueduct
The Aqua Paola aqueduct is a 17th-century Roman aqueduct and monumental fountain system that restored an ancient water supply to the city, culminating in the grand Fontana dell’Acqua Paola on the Janiculum Hill.
-
C.
Bridge of Vulci
The Bridge of Vulci is an ancient Etruscan-Roman stone bridge near the archaeological site of Vulci in central Italy, notable for its impressive arches spanning a deep river gorge.
-
D.
Aqueduct of Pitigliano
The Aqueduct of Pitigliano is a historic Renaissance-era aqueduct in the Tuscan hill town of Pitigliano, Italy, notable for its striking arches integrated into the town’s dramatic tufa cliffs.
-
E.
Roman bridge of Canosa
The Roman bridge of Canosa is an ancient stone bridge in Canosa di Puglia, Italy, notable for its Roman engineering and historical significance as part of the region’s early transportation network.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ancient Roman dam
ⓘ
gravity dam ⓘ masonry dam ⓘ |
| architecturalStyle | Roman civil engineering ⓘ |
| builtBy | ancient Romans ⓘ |
| builtFor |
Roman colony of Emerita Augusta
ⓘ
linked to:
ancient city of Augusta Emerita
|
| constructionMaterial |
concrete core
ⓘ
stone masonry ⓘ |
| coordinateLocation | approximate coordinates 38.95°N 6.35°W ⓘ |
| country | Spain ⓘ |
| hasCondition | well preserved ⓘ |
| hasCulturalSignificance | example of Roman dam technology ⓘ |
| hasCurrentUse | reservoir for regional water supply ⓘ |
| hasEngineeringSignificance | one of the oldest functioning dams in Spain ⓘ |
| hasLegalProtectionStatus | protected historic monument ⓘ |
| hasNearbyFeature | Proserpina Reservoir recreational area ⓘ |
| hasPart |
earthen embankments
ⓘ
outlet works ⓘ spillway ⓘ |
| hasType | ancient infrastructure ⓘ |
| hasUse | recreation at reservoir ⓘ |
| heritageDesignation |
Bien de Interés Cultural
ⓘ
Monument (Spain) ⓘ UNESCO World Heritage Site component ⓘ |
| inception | 1st century AD ⓘ |
| locatedIn |
Extremadura
ⓘ
Iberian Peninsula ⓘ Mérida ⓘ Spain ⓘ autonomous community of Extremadura ⓘ
linked to:
Extremadura
province of Badajoz ⓘ
linked to:
Province of Badajoz
|
| locatedNear |
city of Mérida
ⓘ
linked to:
Mérida
|
| locatedOn | Albarregas River basin ⓘ |
| maintainedBy | local authorities of Mérida region ⓘ |
| namedAfter |
Proserpina
ⓘ
linked to:
Persephone
|
| notableFor |
Roman engineering
ⓘ
continued use in modern water supply ⓘ state of preservation ⓘ |
| partOf |
Archaeological Ensemble of Mérida
ⓘ
Roman aqueduct system of Emerita Augusta ⓘ Roman hydraulic works in Hispania ⓘ
linked to:
Roman engineering heritage in Spain
Roman infrastructure of Lusitania province ⓘ |
| supplied |
Emerita Augusta
ⓘ
linked to:
Augusta Emerita
|
| touristAttraction | yes ⓘ |
| usedFor |
irrigation
ⓘ
urban water supply of Mérida region ⓘ water supply ⓘ |
| waterBodyCreated | Proserpina Reservoir ⓘ |
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: Roman dam of Proserpina Description of subject: The Roman dam of Proserpina is an ancient Roman gravity dam near Mérida, Spain, renowned for its well-preserved masonry and continued use as part of the region’s water supply system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
ancient city of Augusta Emerita