Roman aqueduct
E317436
A Roman aqueduct is an ancient engineering structure designed to transport water over long distances using gravity-fed channels, bridges, and tunnels.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Roman aqueduct canonical | 1 |
| Roman hydraulic system of the Alban Hills | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2992502 — 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 aqueduct Context triple: [Tarragona, hasNotableFeature, Roman aqueduct]
-
A.
Aqua Virgo aqueduct
The Aqua Virgo aqueduct is an ancient Roman waterway, completed in 19 BCE under Augustus, that has long supplied water to central Rome, including the Trevi Fountain.
-
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.
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.
-
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.
Aqua Augusta (Serino aqueduct)
Aqua Augusta (Serino aqueduct) was a major Roman aqueduct system in southern Italy that supplied water to multiple cities and naval bases in the Bay of Naples region.
- 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 aqueduct Target entity description: A Roman aqueduct is an ancient engineering structure designed to transport water over long distances using gravity-fed channels, bridges, and tunnels.
-
A.
Aqua Virgo aqueduct
The Aqua Virgo aqueduct is an ancient Roman waterway, completed in 19 BCE under Augustus, that has long supplied water to central Rome, including the Trevi Fountain.
-
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.
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.
-
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.
Aqua Augusta (Serino aqueduct)
Aqua Augusta (Serino aqueduct) was a major Roman aqueduct system in southern Italy that supplied water to multiple cities and naval bases in the Bay of Naples region.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
ancient engineering structure
ⓘ
aqueduct ⓘ water supply infrastructure ⓘ |
| component |
arcade bridges
ⓘ
distribution tanks ⓘ settling tanks ⓘ surface channels ⓘ tunnels ⓘ underground channels ⓘ |
| designedToSupply |
cities
ⓘ
fountains ⓘ industrial sites ⓘ military camps ⓘ private houses ⓘ public baths ⓘ towns ⓘ |
| developedIn |
Roman Antiquity
ⓘ
surface form:
ancient Rome
|
| enabled |
large-scale public baths
ⓘ
pressurized water distribution in some sections ⓘ public fountains ⓘ urban population growth in Roman cities ⓘ |
| firstBuiltAround | 4th century BC ⓘ |
| influenced |
later European water supply systems
ⓘ
modern aqueduct design ⓘ |
| maintainedBy |
Roman state
ⓘ
curator aquarum (water commissioner) ⓘ |
| notableExample |
Aqua Appia
ⓘ
Aqua Claudia ⓘ Aqua Marcia ⓘ Aqua Virgo ⓘ Pont du Gard ⓘ Segovia Aqueduct ⓘ
surface form:
Segovia aqueduct
|
| oftenCrosses |
rivers
ⓘ
uneven terrain ⓘ valleys ⓘ |
| poweredBy | gravity ⓘ |
| primaryFunction | transporting water over long distances ⓘ |
| requires | constant downward gradient ⓘ |
| transportMethod | gravity-fed flow ⓘ |
| typicallyConstructedFrom |
brick
ⓘ
concrete ⓘ stone ⓘ |
| typicallyTerminatedIn | castellum divisorium (distribution tank) ⓘ |
| usedBy | ancient Romans ⓘ |
| usesEngineeringFeature |
arches
ⓘ
inverted siphons ⓘ specus (water channel) ⓘ waterproof mortar ⓘ |
| waterSource |
rivers
ⓘ
springs ⓘ upland catchment areas ⓘ |
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 aqueduct Description of subject: A Roman aqueduct is an ancient engineering structure designed to transport water over long distances using gravity-fed channels, bridges, and tunnels.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Roman hydraulic system of the Alban Hills