Tagus–Segura Water Transfer
E545006
The Tagus–Segura Water Transfer is a major Spanish hydraulic engineering project that diverts water from the Tagus River basin to the more arid Segura basin for irrigation, urban supply, and regional development.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tagus–Segura Water Transfer canonical | 1 |
| Tajo-Segura water transfer | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5774165 — 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: Tagus–Segura Water Transfer Context triple: [Tagus Basin, hasInfrastructure, Tagus–Segura Water Transfer]
-
A.
Acequia de Mestalla
Acequia de Mestalla is a historic irrigation canal in Valencia, Spain, whose name was adopted by the city’s Mestalla football stadium.
-
B.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
-
C.
Canal de Miramontes
Canal de Miramontes is a major avenue and former canal in southern Mexico City that serves as a key thoroughfare and reference point in the Villa Coapa area.
-
D.
Segovia Aqueduct
The Segovia Aqueduct is an ancient Roman stone aqueduct in the Spanish city of Segovia, renowned for its remarkably well-preserved arches and engineering.
-
E.
Puente de Arganda
Puente de Arganda is a bridge spanning the Jarama River in the Madrid region of Spain, serving as a key local crossing and transport link.
- 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: Tagus–Segura Water Transfer Target entity description: The Tagus–Segura Water Transfer is a major Spanish hydraulic engineering project that diverts water from the Tagus River basin to the more arid Segura basin for irrigation, urban supply, and regional development.
-
A.
Acequia de Mestalla
Acequia de Mestalla is a historic irrigation canal in Valencia, Spain, whose name was adopted by the city’s Mestalla football stadium.
-
B.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
-
C.
Canal de Miramontes
Canal de Miramontes is a major avenue and former canal in southern Mexico City that serves as a key thoroughfare and reference point in the Villa Coapa area.
-
D.
Segovia Aqueduct
The Segovia Aqueduct is an ancient Roman stone aqueduct in the Spanish city of Segovia, renowned for its remarkably well-preserved arches and engineering.
-
E.
Puente de Arganda
Puente de Arganda is a bridge spanning the Jarama River in the Madrid region of Spain, serving as a key local crossing and transport link.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
hydraulic engineering project
ⓘ
water transfer scheme ⓘ |
| affects | Tagus River ecological flow ⓘ |
| beneficiaryRegion |
Alicante
NERFINISHED
ⓘ
Almería NERFINISHED ⓘ Murcia NERFINISHED ⓘ |
| constructionStartYear | 1960s ⓘ |
| controversy |
environmental impact on Tagus River
ⓘ
inter-basin water transfer disputes ⓘ regional political conflict between donor and recipient basins ⓘ |
| country | Spain ⓘ |
| designedForMaximumAnnualTransfer | 600 hm³ ⓘ |
| destinationRiverBasin | Segura River basin NERFINISHED ⓘ |
| endPoint |
Segura basin distribution network
NERFINISHED
ⓘ
Talave Reservoir NERFINISHED ⓘ |
| engineeringType | inter-basin water transfer ⓘ |
| hasComponent |
Bolarque intake works
NERFINISHED
ⓘ
Tajo–Segura aqueduct NERFINISHED ⓘ Talave Reservoir connection NERFINISHED ⓘ canals ⓘ pumping stations ⓘ tunnels ⓘ |
| inaugurationYear | 1979 ⓘ |
| legalFramework |
Spanish Water Law
NERFINISHED
ⓘ
specific transfer operating rules ⓘ |
| locatedIn | Iberian Peninsula ⓘ |
| locatedInAdministrativeTerritory |
Andalusia
NERFINISHED
ⓘ
Castile-La Mancha NERFINISHED ⓘ Region of Murcia NERFINISHED ⓘ Valencian Community NERFINISHED ⓘ |
| mainUseSector |
agriculture
ⓘ
tourism-related urban supply ⓘ |
| managingAuthority |
Confederación Hidrográfica del Segura
NERFINISHED
ⓘ
Confederación Hidrográfica del Tajo NERFINISHED ⓘ |
| passesThrough |
Albacete province
NERFINISHED
ⓘ
La Mancha NERFINISHED ⓘ |
| purpose |
irrigation
ⓘ
regional development ⓘ urban water supply ⓘ |
| regulatingAuthority |
Government of Spain
NERFINISHED
ⓘ
Spanish Ministry for the Ecological Transition NERFINISHED ⓘ |
| sourceRiverBasin | Tagus River basin NERFINISHED ⓘ |
| startPoint | Bolarque Reservoir NERFINISHED ⓘ |
| status | operational ⓘ |
| supports |
intensive irrigated agriculture in Segura basin
ⓘ
urban and tourist development on the Mediterranean coast ⓘ |
| typicalTransferredVolumeRange | 0–600 hm³ per year ⓘ |
| waterDiversionDirection | from Tagus River to Segura River ⓘ |
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: Tagus–Segura Water Transfer Description of subject: The Tagus–Segura Water Transfer is a major Spanish hydraulic engineering project that diverts water from the Tagus River basin to the more arid Segura basin for irrigation, urban supply, and regional development.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tajo-Segura water transfer