Thottappally Spillway
E758901
Thottappally Spillway is a major flood-control and water-regulation structure in Kerala, India, that helps manage the flow between inland waterways and the Arabian Sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Thottappally Spillway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8773502 — 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: Thottappally Spillway Context triple: [Vembanad Lake, hasStructure, Thottappally Spillway]
-
A.
Orathuppalayam Dam
Orathuppalayam Dam is a reservoir and irrigation structure built across the Noyyal River in Tamil Nadu, India, primarily used for water storage and agricultural purposes.
-
B.
Gajanur Dam
Gajanur Dam is a scenic reservoir and popular tourist spot in Karnataka, India, known for its lush surroundings and role in irrigation and water management near Shivamogga.
-
C.
Mettur Dam
Mettur Dam is a major masonry dam in Tamil Nadu, India, built across the Kaveri River and known for its large reservoir and role in irrigation and power generation.
-
D.
Thippagondanahalli Dam
Thippagondanahalli Dam is a major reservoir and water supply structure near Bengaluru in Karnataka, India, built across the Arkavathi River to provide drinking water and irrigation.
-
E.
Kotmale Dam
Kotmale Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Kotmale Reservoir.
- 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: Thottappally Spillway Target entity description: Thottappally Spillway is a major flood-control and water-regulation structure in Kerala, India, that helps manage the flow between inland waterways and the Arabian Sea.
-
A.
Orathuppalayam Dam
Orathuppalayam Dam is a reservoir and irrigation structure built across the Noyyal River in Tamil Nadu, India, primarily used for water storage and agricultural purposes.
-
B.
Gajanur Dam
Gajanur Dam is a scenic reservoir and popular tourist spot in Karnataka, India, known for its lush surroundings and role in irrigation and water management near Shivamogga.
-
C.
Mettur Dam
Mettur Dam is a major masonry dam in Tamil Nadu, India, built across the Kaveri River and known for its large reservoir and role in irrigation and power generation.
-
D.
Thippagondanahalli Dam
Thippagondanahalli Dam is a major reservoir and water supply structure near Bengaluru in Karnataka, India, built across the Arkavathi River to provide drinking water and irrigation.
-
E.
Kotmale Dam
Kotmale Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Kotmale Reservoir.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
flood control structure
ⓘ
spillway ⓘ water regulation structure ⓘ |
| connectsTo |
Arabian Sea
ⓘ
inland waterways of Kerala ⓘ |
| country | India ⓘ |
| hasFunction |
drainage of excess floodwater
ⓘ
flood control ⓘ water level regulation ⓘ |
| hasOpeningType | gated spillway ⓘ |
| isMajorComponentOf | flood management infrastructure of Kerala ⓘ |
| locatedIn |
Alappuzha district
ⓘ
Kerala ⓘ South India ⓘ |
| locatedInOrNear | Thottappally ⓘ |
| locatedOnOrNear | Thottappally estuary ⓘ |
| manages | discharge of floodwaters to the sea ⓘ |
| nearbyWaterBody |
Arabian Sea
ⓘ
Vembanad backwaters ⓘ
linked to:
Vembanad Lake
|
| partOf | Kuttanad drainage system ⓘ |
| purpose |
management of monsoon floodwaters
ⓘ
prevention of saline water intrusion into paddy fields ⓘ protection of low-lying Kuttanad region from flooding ⓘ |
| regionServed |
Alappuzha district
ⓘ
Kuttanad ⓘ |
| regulatesFlowBetween |
Arabian Sea
ⓘ
inland waterways of Kuttanad ⓘ |
| usedFor | regulation of water levels in paddy cultivation areas ⓘ |
| waterBodyControlled |
backwaters of Kuttanad
ⓘ
connected canals and rivers of central Kerala ⓘ |
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: Thottappally Spillway Description of subject: Thottappally Spillway is a major flood-control and water-regulation structure in Kerala, India, that helps manage the flow between inland waterways and the Arabian Sea.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.