Diama Dam
E366290
Diama Dam is a low-head dam on the lower Senegal River near the Senegal–Mauritania border, built primarily to prevent saltwater intrusion and support irrigation and navigation in the region.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T3354857 — 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: Diama Dam Context triple: [Senegal River, hasDam, Diama Dam]
-
A.
Roseires Dam
Roseires Dam is a major hydroelectric and irrigation dam on the Blue Nile in Sudan, crucial for water storage, power generation, and flood control in the region.
-
B.
Kariba Dam
Kariba Dam is a massive hydroelectric dam on the Zambezi River between Zambia and Zimbabwe, forming one of the world’s largest man-made lakes and serving as a key source of power for the region.
-
C.
Sennar Dam
Sennar Dam is a major early-20th-century irrigation and hydroelectric dam on the Blue Nile in Sudan, crucial for agricultural development in the Gezira region.
-
D.
Kafue Gorge Dam
Kafue Gorge Dam is a major hydroelectric power facility on the Kafue River in Zambia, providing a significant portion of the country’s electricity supply.
-
E.
Batoka Gorge
Batoka Gorge is a steep, rugged chasm carved by the Zambezi River just downstream of Victoria Falls on the border between Zambia and Zimbabwe.
- 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: Diama Dam Target entity description: Diama Dam is a low-head dam on the lower Senegal River near the Senegal–Mauritania border, built primarily to prevent saltwater intrusion and support irrigation and navigation in the region.
-
A.
Roseires Dam
Roseires Dam is a major hydroelectric and irrigation dam on the Blue Nile in Sudan, crucial for water storage, power generation, and flood control in the region.
-
B.
Kariba Dam
Kariba Dam is a massive hydroelectric dam on the Zambezi River between Zambia and Zimbabwe, forming one of the world’s largest man-made lakes and serving as a key source of power for the region.
-
C.
Sennar Dam
Sennar Dam is a major early-20th-century irrigation and hydroelectric dam on the Blue Nile in Sudan, crucial for agricultural development in the Gezira region.
-
D.
Kafue Gorge Dam
Kafue Gorge Dam is a major hydroelectric power facility on the Kafue River in Zambia, providing a significant portion of the country’s electricity supply.
-
E.
Batoka Gorge
Batoka Gorge is a steep, rugged chasm carved by the Zambezi River just downstream of Victoria Falls on the border between Zambia and Zimbabwe.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
low-head dam ⓘ |
| abbreviationOfAssociatedOrganization | OMVS ⓘ |
| affectsRegion | lower Senegal River valley ⓘ |
| associatedWith | Organisation pour la mise en valeur du fleuve Sénégal ⓘ |
| coordinatedBy | OMVS ⓘ |
| countryOnLeftBank | Senegal ⓘ |
| countryOnRightBank | Mauritania ⓘ |
| crosses | Senegal River ⓘ |
| designedTo | block tidal saltwater from Atlantic Ocean ⓘ |
| enables |
river navigation between Saint-Louis and upstream areas
ⓘ
year-round irrigation upstream ⓘ |
| hasEnvironmentalImpact |
changes in estuarine salinity regime
ⓘ
modification of wetlands in lower Senegal River ⓘ |
| hasPrimaryPurpose | prevention of saltwater intrusion ⓘ |
| hasPurpose |
improvement of freshwater availability
ⓘ
support of irrigation ⓘ support of navigation ⓘ |
| hasSocialImpact |
support for agriculture in Senegal River valley
ⓘ
support for livestock watering ⓘ |
| isDownstreamOf | Manantali Dam ⓘ |
| isUpstreamOf | Atlantic Ocean mouth of Senegal River ⓘ |
| locatedInCountry |
Mauritania
ⓘ
Senegal ⓘ |
| locatedNear |
Diama
ⓘ
linked to:
Diama Dam
Saint-Louis, Senegal ⓘ Senegal–Mauritania border ⓘ |
| locatedOnRiver | Senegal River ⓘ |
| partOf | Senegal River Basin development ⓘ |
| region | West Africa ⓘ |
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: Diama Dam Description of subject: Diama Dam is a low-head dam on the lower Senegal River near the Senegal–Mauritania border, built primarily to prevent saltwater intrusion and support irrigation and navigation in the region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Diama Dam