Kalpakkam
E593291
Kalpakkam is a coastal town in Tamil Nadu, India, best known for housing major nuclear power and research facilities including the Madras Atomic Power Station and the Indira Gandhi Centre for Atomic Research.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kalpakkam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6419029 — 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: Kalpakkam Context triple: [Sadras, locatedNear, Kalpakkam]
-
A.
Kamuthi
Kamuthi is a town in the Ramanathapuram district of Tamil Nadu, India, known for its proximity to one of the world’s largest solar power plants.
-
B.
Pokhran Test Range
Pokhran Test Range is an Indian military test site in Rajasthan best known as the country’s primary nuclear weapons testing ground.
-
C.
Srikalahasti
Srikalahasti is a temple town in Andhra Pradesh, India, renowned for its ancient Shiva temple and strong religious significance.
-
D.
Sriharikota
Sriharikota is a barrier island off the coast of Andhra Pradesh, India, best known as the site of the Satish Dhawan Space Centre, the primary launch site for India's space missions.
-
E.
Karur
Karur is a town in the Indian state of Tamil Nadu known as an important textile, bus body building, and industrial center on the banks of the Amaravathi River.
- 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: Kalpakkam Target entity description: Kalpakkam is a coastal town in Tamil Nadu, India, best known for housing major nuclear power and research facilities including the Madras Atomic Power Station and the Indira Gandhi Centre for Atomic Research.
-
A.
Kamuthi
Kamuthi is a town in the Ramanathapuram district of Tamil Nadu, India, known for its proximity to one of the world’s largest solar power plants.
-
B.
Pokhran Test Range
Pokhran Test Range is an Indian military test site in Rajasthan best known as the country’s primary nuclear weapons testing ground.
-
C.
Srikalahasti
Srikalahasti is a temple town in Andhra Pradesh, India, renowned for its ancient Shiva temple and strong religious significance.
-
D.
Sriharikota
Sriharikota is a barrier island off the coast of Andhra Pradesh, India, best known as the site of the Satish Dhawan Space Centre, the primary launch site for India's space missions.
-
E.
Karur
Karur is a town in the Indian state of Tamil Nadu known as an important textile, bus body building, and industrial center on the banks of the Amaravathi River.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | town ⓘ |
| administrativeBody | Department of Atomic Energy, Government of India NERFINISHED ⓘ |
| climate | tropical wet and dry ⓘ |
| coastType | sandy coastline ⓘ |
| country | India ⓘ |
| distanceFromChennai | about 70 km south ⓘ |
| district | Chengalpattu district NERFINISHED ⓘ |
| economicDependency | Department of Atomic Energy establishments NERFINISHED ⓘ |
| experiencedEvent | 2004 Indian Ocean tsunami ⓘ |
| governingBody | local panchayat ⓘ |
| hasEducationalInstitution |
Atomic Energy Central School Kalpakkam
NERFINISHED
ⓘ
Kendriya Vidyalaya Kalpakkam NERFINISHED ⓘ |
| hasFacility |
Indira Gandhi Centre for Atomic Research
NERFINISHED
ⓘ
Madras Atomic Power Station NERFINISHED ⓘ Prototype Fast Breeder Reactor site NERFINISHED ⓘ nuclear fuel reprocessing facilities ⓘ nuclear waste management facilities ⓘ |
| hasPostalFacility | Kalpakkam post office NERFINISHED ⓘ |
| hasResearchFocus |
fast breeder reactor technology
ⓘ
materials science for reactors ⓘ nuclear fuel cycle ⓘ |
| hasResidentialTownship |
Anupuram
NERFINISHED
ⓘ
MAPS township NERFINISHED ⓘ |
| hasSeaDefense | tsunami protection wall ⓘ |
| knownFor |
nuclear power facilities
ⓘ
nuclear research facilities ⓘ |
| languageSpoken |
English
ⓘ
Tamil ⓘ |
| locatedIn | southeastern India ⓘ |
| locatedNear | Chennai NERFINISHED ⓘ |
| locatedOnCoastOf | Bay of Bengal NERFINISHED ⓘ |
| nearbyLandmark | Mahabalipuram NERFINISHED ⓘ |
| nearbyRiver | Gautami-Godavari estuarine region NERFINISHED ⓘ |
| nearestMajorCity | Chennai NERFINISHED ⓘ |
| powerGridConnection | Southern Regional Grid of India NERFINISHED ⓘ |
| primaryIndustry |
nuclear power generation
ⓘ
scientific research ⓘ |
| region | Coromandel Coast NERFINISHED ⓘ |
| riskFactor | tsunami-prone area ⓘ |
| roadConnection |
East Coast Road
NERFINISHED
ⓘ
Old Mahabalipuram Road vicinity ⓘ |
| securityLevel | high-security zone ⓘ |
| state | Tamil Nadu ⓘ |
| timezone | Indian Standard Time ⓘ |
| utcOffset | +05:30 ⓘ |
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: Kalpakkam Description of subject: Kalpakkam is a coastal town in Tamil Nadu, India, best known for housing major nuclear power and research facilities including the Madras Atomic Power Station and the Indira Gandhi Centre for Atomic Research.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.