Aqua Traiana
E423494
Aqua Traiana was an ancient Roman aqueduct built under Emperor Trajan to supply fresh water to the city of Rome from springs near Lake Bracciano.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Aqua Traiana canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4238452 — 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: Aqua Traiana Context triple: [Aqua Paola aqueduct, followsCourseOf, Aqua Traiana]
-
A.
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.
-
B.
Aqua Appia
Aqua Appia was one of ancient Rome’s earliest aqueducts, constructed in the 4th century BCE to supply the city with fresh water.
-
C.
Aqua Anio Vetus
Aqua Anio Vetus was one of ancient Rome’s earliest major aqueducts, channeling water from the Aniene River to supply the growing city.
-
D.
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.
-
E.
Etruscan Well
The Etruscan Well is an ancient underground water cistern in Perugia, Italy, notable for its impressive Etruscan engineering and stone construction dating back to the 3rd–4th century BCE.
- 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: Aqua Traiana Target entity description: Aqua Traiana was an ancient Roman aqueduct built under Emperor Trajan to supply fresh water to the city of Rome from springs near Lake Bracciano.
-
A.
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.
-
B.
Aqua Appia
Aqua Appia was one of ancient Rome’s earliest aqueducts, constructed in the 4th century BCE to supply the city with fresh water.
-
C.
Aqua Anio Vetus
Aqua Anio Vetus was one of ancient Rome’s earliest major aqueducts, channeling water from the Aniene River to supply the growing city.
-
D.
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.
-
E.
Etruscan Well
The Etruscan Well is an ancient underground water cistern in Perugia, Italy, notable for its impressive Etruscan engineering and stone construction dating back to the 3rd–4th century BCE.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | ancient Roman aqueduct ⓘ |
| associatedWithStructure | Fontanone dell’Acqua Paola NERFINISHED ⓘ |
| builder | Emperor Trajan NERFINISHED ⓘ |
| commissionedBy | Emperor Trajan NERFINISHED ⓘ |
| constructionPeriod | reign of Trajan ⓘ |
| country | Ancient Rome NERFINISHED ⓘ |
| documentedIn |
Corpus Agrimensorum Romanorum
NERFINISHED
ⓘ
medieval sources ⓘ |
| endPoint | Rome NERFINISHED ⓘ |
| followedBy | Aqua Alexandrina NERFINISHED ⓘ |
| follows | northwest route into Rome ⓘ |
| hasComponent |
arcades
ⓘ
bridges ⓘ tunnels ⓘ underground channels ⓘ |
| historicalPeriod | Imperial Roman period NERFINISHED ⓘ |
| inaugurated | 109 AD ⓘ |
| influenced | Pope Paul V’s Acqua Paola NERFINISHED ⓘ |
| languageOfName | Latin NERFINISHED ⓘ |
| LatinName | Aqua Traiana NERFINISHED ⓘ |
| length | approximately 57 km ⓘ |
| locatedIn |
Italy
ⓘ
Rome ⓘ |
| modernNameOfRemains | Acqua Traiana NERFINISHED ⓘ |
| namedAfter | Trajan NERFINISHED ⓘ |
| partlyUnderground | true ⓘ |
| passesNear |
Lake Bracciano
NERFINISHED
ⓘ
Lake Martignano NERFINISHED ⓘ |
| precededBy | Aqua Alsietina NERFINISHED ⓘ |
| startConstruction | early 2nd century AD ⓘ |
| startPoint |
Lacus Sabatinus
NERFINISHED
ⓘ
springs near Lake Bracciano ⓘ |
| status | partially preserved ⓘ |
| supplied |
drinking water
ⓘ
fresh water ⓘ |
| suppliedTo |
Janiculum Hill
NERFINISHED
ⓘ
Trastevere NERFINISHED ⓘ Vatican area NERFINISHED ⓘ city of Rome NERFINISHED ⓘ |
| terminus |
Janiculum Hill
NERFINISHED
ⓘ
Trastevere district NERFINISHED ⓘ |
| usedFor |
baths
ⓘ
mills on the Janiculum ⓘ public fountains ⓘ |
| waterReusedBy | Acqua Paola NERFINISHED ⓘ |
| waterSourceRegion | Monti Sabatini NERFINISHED ⓘ |
| waterSourceType | springs ⓘ |
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: Aqua Traiana Description of subject: Aqua Traiana was an ancient Roman aqueduct built under Emperor Trajan to supply fresh water to the city of Rome from springs near Lake Bracciano.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.