Segovia Aqueduct
E503964
The Segovia Aqueduct is an ancient Roman stone aqueduct in the Spanish city of Segovia, renowned for its remarkably well-preserved arches and engineering.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Segovia Aqueduct canonical | 2 |
| Aqueduct of Segovia | 1 |
| Segovia aqueduct | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5216160 — 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: Segovia Aqueduct Context triple: [Segovia Province, contains, Segovia Aqueduct]
-
A.
Espada Aqueduct
Espada Aqueduct is a historic 18th-century stone irrigation structure in San Antonio, Texas, built by Spanish missionaries to supply water to Mission Espada and its surrounding farmlands.
-
B.
Valens Aqueduct
The Valens Aqueduct is a late Roman-era aqueduct in Istanbul, Turkey, that once formed a key part of the city’s water supply system and remains a prominent historic landmark.
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C.
Lune Aqueduct
Lune Aqueduct is a historic 18th-century stone aqueduct in Lancaster, England, renowned for carrying the canal high over the River Lune with a series of impressive arches.
-
D.
Cacor aqueduct
The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
-
E.
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.
- 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: Segovia Aqueduct Target entity description: The Segovia Aqueduct is an ancient Roman stone aqueduct in the Spanish city of Segovia, renowned for its remarkably well-preserved arches and engineering.
-
A.
Espada Aqueduct
Espada Aqueduct is a historic 18th-century stone irrigation structure in San Antonio, Texas, built by Spanish missionaries to supply water to Mission Espada and its surrounding farmlands.
-
B.
Valens Aqueduct
The Valens Aqueduct is a late Roman-era aqueduct in Istanbul, Turkey, that once formed a key part of the city’s water supply system and remains a prominent historic landmark.
-
C.
Lune Aqueduct
Lune Aqueduct is a historic 18th-century stone aqueduct in Lancaster, England, renowned for carrying the canal high over the River Lune with a series of impressive arches.
-
D.
Cacor aqueduct
The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
ancient Roman aqueduct
ⓘ
architectural structure ⓘ stone aqueduct ⓘ tourist attraction ⓘ |
| architecturalStyle | Roman engineering ⓘ |
| constructionMethod | dry stone masonry ⓘ |
| country | Spain ⓘ |
| crosses | Plaza del Azoguejo NERFINISHED ⓘ |
| estimatedConstructionEndCentury | 2nd century AD ⓘ |
| estimatedConstructionStartCentury | 1st century AD ⓘ |
| hasInscription | Latin inscription (now lost, reconstructed) ⓘ |
| hasLowerArcade | yes ⓘ |
| hasUpperArcade | yes ⓘ |
| heritageDesignation | UNESCO World Heritage Site ⓘ |
| heritageDesignationDate | 1985 ⓘ |
| length | approximately 15 km ⓘ |
| lengthInCitySection | about 813 m ⓘ |
| locatedIn | Castile and León ⓘ |
| location | Segovia NERFINISHED ⓘ |
| maintainedBy | municipality of Segovia ⓘ |
| materialUsed |
granite
ⓘ
stone ⓘ |
| maximumHeight | about 28.5 m ⓘ |
| notableFor |
Roman engineering
ⓘ
remarkably well-preserved arches ⓘ |
| numberOfArches |
about 167
ⓘ
over 160 ⓘ |
| numberOfLevelsOfArches | 2 ⓘ |
| oftenAttributedToReignOf | Emperor Domitian NERFINISHED ⓘ |
| partOf | Old Town of Segovia and its Aqueduct NERFINISHED ⓘ |
| purpose | water supply ⓘ |
| recognizedAs |
one of the best-preserved Roman aqueducts
ⓘ
symbol of Segovia ⓘ |
| runsFrom | Sierra de Guadarrama NERFINISHED ⓘ |
| runsTo | Segovia NERFINISHED ⓘ |
| serves | city of Segovia NERFINISHED ⓘ |
| sometimesDatedToReignOf |
Emperor Hadrian
NERFINISHED
ⓘ
Emperor Trajan NERFINISHED ⓘ |
| status | well preserved ⓘ |
| underwentRestoration |
15th century
ⓘ
16th century ⓘ 19th century ⓘ 20th century ⓘ |
| UNESCOCriteria | cultural ⓘ |
| UNESCORegion | Europe and North America NERFINISHED ⓘ |
| usesMortar | no ⓘ |
| visitorAccess | public ⓘ |
| waterSource |
Frío River
NERFINISHED
ⓘ
Sierra de Guadarrama NERFINISHED ⓘ |
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: Segovia Aqueduct Description of subject: The Segovia Aqueduct is an ancient Roman stone aqueduct in the Spanish city of Segovia, renowned for its remarkably well-preserved arches and engineering.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Aqueduct of Segovia
this entity surface form:
Segovia aqueduct