Appian Aqueduct
E746658
The Appian Aqueduct, or Aqua Appia, was ancient Rome’s earliest major aqueduct, built in the 4th century BCE to supply the city with fresh water.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Appian Aqueduct canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8621341 — 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: Appian Aqueduct Context triple: [Aqua Appia, alsoKnownAs, Appian Aqueduct]
-
A.
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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B.
Buc aqueduct
The Buc aqueduct is a historic 17th-century French aqueduct near Versailles, built under Louis XIV to supply water to the palace’s elaborate fountains and gardens.
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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.
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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.
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E.
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.
- 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: Appian Aqueduct Target entity description: The Appian Aqueduct, or Aqua Appia, was ancient Rome’s earliest major aqueduct, built in the 4th century BCE to supply the city with fresh water.
-
A.
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.
-
B.
Buc aqueduct
The Buc aqueduct is a historic 17th-century French aqueduct near Versailles, built under Louis XIV to supply water to the palace’s elaborate fountains and gardens.
-
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.
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.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | ancient Roman aqueduct ⓘ |
| approximateLength |
about 11 miles
ⓘ
about 16.5 km ⓘ |
| builtDuring | Roman Republic period NERFINISHED ⓘ |
| builtFor | urban population of Rome ⓘ |
| commissionedBy | Appius Claudius Caecus NERFINISHED ⓘ |
| constructionMaterial |
concrete
ⓘ
masonry ⓘ stone ⓘ |
| country | Roman Republic ⓘ |
| endConstruction | 312 BCE ⓘ |
| engineeringType | gravity-fed aqueduct ⓘ |
| entersCityAt | Porta Maggiore area of Rome NERFINISHED ⓘ |
| epoch | 4th century BCE ⓘ |
| fed |
public fountains in Rome
ⓘ
some baths in Rome ⓘ |
| followedBy | Anio Vetus aqueduct NERFINISHED ⓘ |
| hasAlias |
Appian Aqueduct
NERFINISHED
ⓘ
Aqua Appia NERFINISHED ⓘ |
| hasRemains |
sections near Porta San Sebastiano
ⓘ
subterranean channels in Rome ⓘ |
| hasType | subterranean aqueduct ⓘ |
| heritage | Roman engineering heritage ⓘ |
| historicalSignificance |
first aqueduct built by the Romans for Rome
ⓘ
marked beginning of large-scale engineered water supply in Rome ⓘ |
| inception | 312 BCE ⓘ |
| isEarliestMajorAqueductOf | Rome NERFINISHED ⓘ |
| jurisdiction | ancient city of Rome ⓘ |
| languageOfName | Latin ⓘ |
| LatinNameMeaning | Appian water ⓘ |
| locatedIn |
Italy
ⓘ
Rome ⓘ |
| managedBy | curator aquarum (water commissioner) ⓘ |
| namedAfter | Appius Claudius Caecus NERFINISHED ⓘ |
| partOf | ancient Roman water supply system ⓘ |
| percentageUnderground | almost 100% ⓘ |
| positionHeldByCommissioner | censor of Rome ⓘ |
| precededBy | none (earliest major aqueduct of Rome) ⓘ |
| purpose | supply fresh water to Rome ⓘ |
| routeCharacteristic | mostly underground ⓘ |
| startConstruction | 312 BCE ⓘ |
| status | partially preserved ⓘ |
| terminus | Forum Boarium area of Rome NERFINISHED ⓘ |
| uses | continuous gradient for water flow ⓘ |
| waterSource |
springs near the Via Collatina
ⓘ
springs near the Via Praenestina ⓘ |
| waterType | fresh water ⓘ |
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: Appian Aqueduct Description of subject: The Appian Aqueduct, or Aqua Appia, was ancient Rome’s earliest major aqueduct, built in the 4th century BCE to supply the city with fresh water.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.