Espada Aqueduct
E401076
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Espada Aqueduct canonical | 2 |
| Acequia de Espada Aqueduct | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3941277 — 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: Espada Aqueduct Context triple: [Mission Espada, hasPart, Espada 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.
-
B.
Agen aqueduct
The Agen aqueduct is a 19th-century stone canal bridge in southwestern France that carries the Canal de Garonne high above the Garonne River near the town of Agen.
-
C.
Cacor aqueduct
The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
-
D.
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.
-
E.
Acqua Felice aqueduct
The Acqua Felice aqueduct is a late 16th-century Roman aqueduct restored under Pope Sixtus V to bring fresh water back into the city, feeding several monumental fountains.
- 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: Espada Aqueduct Target entity description: 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.
-
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.
Agen aqueduct
The Agen aqueduct is a 19th-century stone canal bridge in southwestern France that carries the Canal de Garonne high above the Garonne River near the town of Agen.
-
C.
Cacor aqueduct
The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
-
D.
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.
-
E.
Acqua Felice aqueduct
The Acqua Felice aqueduct is a late 16th-century Roman aqueduct restored under Pope Sixtus V to bring fresh water back into the city, feeding several monumental fountains.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
aqueduct
ⓘ
historic structure ⓘ irrigation structure ⓘ stone arch bridge ⓘ |
| alsoKnownAs |
Acequia de Espada Aqueduct
ⓘ
linked to:
Espada Aqueduct
|
| architecturalStyle | Spanish Colonial ⓘ |
| associatedWith | Mission San Francisco de la Espada ⓘ |
| builtBy |
Franciscan missionaries
ⓘ
linked to:
Franciscan missions
Spanish missionaries ⓘ |
| builtFor | Mission Espada ⓘ |
| category |
Aqueducts in the United States
ⓘ
Buildings and structures in San Antonio, Texas ⓘ Irrigation in the United States ⓘ National Historic Landmarks in Texas ⓘ Spanish Colonial architecture in Texas ⓘ |
| city | San Antonio ⓘ |
| constructionMaterial |
limestone
ⓘ
stone ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Piedras Creek ⓘ |
| followsWatercourse | San Antonio River ⓘ |
| hasFunction | to carry acequia water across Piedras Creek ⓘ |
| hasNumberOfArches | multiple stone arches ⓘ |
| hasOwner |
United States federal government
ⓘ
linked to:
United States government
|
| heritageDesignation |
National Historic Landmark
ⓘ
National Register of Historic Places listing ⓘ
linked to:
National Register of Historic Places
part of San Antonio Missions UNESCO World Heritage Site ⓘ |
| locatedIn |
Bexar County, Texas
ⓘ
linked to:
Bexar County
San Antonio, Texas ⓘ Texas ⓘ United States ⓘ
linked to:
United States of America
|
| maintainedBy |
U.S. National Park Service
ⓘ
linked to:
National Park Service
|
| near |
Mission San Juan Capistrano (San Antonio)
ⓘ
linked to:
Mission San Juan Capistrano (Texas)
|
| openToPublic | true ⓘ |
| partOf |
Espada acequia system
ⓘ
San Antonio Missions National Historical Park ⓘ |
| significantFor |
early Spanish irrigation engineering in North America
ⓘ
preservation of Spanish Colonial waterworks ⓘ |
| significantPeriod | Spanish colonial era ⓘ |
| startDate |
1740s
ⓘ
18th century ⓘ |
| state | Texas ⓘ |
| stillInUse | partially ⓘ |
| touristAttraction | true ⓘ |
| UNESCOWorldHeritageSite | San Antonio Missions ⓘ |
| usedFor |
irrigation
ⓘ
water supply ⓘ |
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: Espada Aqueduct Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Espada Aqueduct