Segre basin
E788916
The Segre basin is the river basin in northeastern Spain drained by the Segre River, a major tributary of the Ebro, encompassing parts of the Pyrenees and surrounding regions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Segre basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9258052 — 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: Segre basin Context triple: [Noguera Pallaresa, drainageBasin, Segre basin]
-
A.
Ceresio basin
The Ceresio basin is the hydrological catchment area associated with Lake Lugano (also known as Ceresio) in the southern Alps between Switzerland and Italy.
-
B.
Marsili Basin
Marsili Basin is a deep submarine basin in the southern Tyrrhenian Sea associated with active volcanic and tectonic processes.
-
C.
Arachthos basin
The Arachthos basin is a river drainage area in northwestern Greece centered around the Arachthos River and its tributaries.
-
D.
Suhre basin
The Suhre basin is a river catchment area in Switzerland drained by the Suhre River, a tributary of the Aare, encompassing its surrounding landscape and hydrological system.
-
E.
El Elegante crater
El Elegante crater is a large, nearly circular maar volcanic crater in the Pinacate volcanic field of northwestern Mexico, noted for its dramatic rim and desert landscape.
- 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: Segre basin Target entity description: The Segre basin is the river basin in northeastern Spain drained by the Segre River, a major tributary of the Ebro, encompassing parts of the Pyrenees and surrounding regions.
-
A.
Ceresio basin
The Ceresio basin is the hydrological catchment area associated with Lake Lugano (also known as Ceresio) in the southern Alps between Switzerland and Italy.
-
B.
Marsili Basin
Marsili Basin is a deep submarine basin in the southern Tyrrhenian Sea associated with active volcanic and tectonic processes.
-
C.
Arachthos basin
The Arachthos basin is a river drainage area in northwestern Greece centered around the Arachthos River and its tributaries.
-
D.
Suhre basin
The Suhre basin is a river catchment area in Switzerland drained by the Suhre River, a tributary of the Aare, encompassing its surrounding landscape and hydrological system.
-
E.
El Elegante crater
El Elegante crater is a large, nearly circular maar volcanic crater in the Pinacate volcanic field of northwestern Mexico, noted for its dramatic rim and desert landscape.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | river basin ⓘ |
| borderedBy |
Ebro main stem basin to the south
ⓘ
Garonne basin across the Pyrenean divide ⓘ |
| climate | Mediterranean climate with continental and mountain influences ⓘ |
| containsReservoir |
Canelles Reservoir
NERFINISHED
ⓘ
Mequinenza Reservoir NERFINISHED ⓘ Oliana Reservoir NERFINISHED ⓘ Rialb Reservoir NERFINISHED ⓘ Santa Anna Reservoir NERFINISHED ⓘ |
| containsRiver |
Cinca River
NERFINISHED
ⓘ
Noguera Pallaresa NERFINISHED ⓘ Noguera Ribagorçana NERFINISHED ⓘ Segre River NERFINISHED ⓘ Valira River NERFINISHED ⓘ |
| country | Spain ⓘ |
| drainageBasinOf | Segre River system NERFINISHED ⓘ |
| drainagePattern | dendritic ⓘ |
| drainedBy | Segre River NERFINISHED ⓘ |
| extendsInto |
Pre-Pyrenees
NERFINISHED
ⓘ
Pyrenees NERFINISHED ⓘ |
| flowsInto | Ebro River NERFINISHED ⓘ |
| hasEconomicActivity |
cereal cultivation
ⓘ
fruit cultivation ⓘ hydroelectric power generation ⓘ intensive irrigation ⓘ |
| hasEnvironmentalIssue |
agricultural diffuse pollution
ⓘ
flow regulation by dams ⓘ water scarcity in dry seasons ⓘ |
| hasFeature |
high-mountain headwaters in the Pyrenees
ⓘ
semi-arid lowland plains ⓘ |
| hasLandUse |
forestry
ⓘ
hydropower production ⓘ irrigated agriculture ⓘ livestock farming ⓘ tourism ⓘ |
| hydrologicalRegionOf | Ebro Hydrographic Confederation NERFINISHED ⓘ |
| locatedIn | northeastern Spain ⓘ |
| locatedInRegion |
Aragon
NERFINISHED
ⓘ
Catalonia NERFINISHED ⓘ |
| majorCityInBasin |
Balaguer
NERFINISHED
ⓘ
La Seu d'Urgell NERFINISHED ⓘ Lleida NERFINISHED ⓘ |
| mouthLocation | confluence of Segre and Ebro near Mequinenza ⓘ |
| partlyLocatedIn |
Province of Huesca
NERFINISHED
ⓘ
Province of Lleida NERFINISHED ⓘ Province of Zaragoza NERFINISHED ⓘ |
| partOf | Ebro river basin NERFINISHED ⓘ |
| tributaryOf | Ebro basin NERFINISHED ⓘ |
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: Segre basin Description of subject: The Segre basin is the river basin in northeastern Spain drained by the Segre River, a major tributary of the Ebro, encompassing parts of the Pyrenees and surrounding regions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.