Sisir Kumar Mitra
E144477
Sisir Kumar Mitra was a pioneering Indian physicist and radio scientist renowned for his groundbreaking research on the ionosphere and atmospheric physics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sisir Kumar Mitra canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T972316 — 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: Sisir Kumar Mitra Context triple: [Presidency College, Kolkata, notableAlumnus, Sisir Kumar Mitra]
-
A.
Sachindra Nath Sanyal
Sachindra Nath Sanyal was an Indian revolutionary leader and co-founder of the Hindustan Republican Association who played a key role in the early armed struggle against British colonial rule.
-
B.
Janakinath Bose
Janakinath Bose was an Indian lawyer and prominent figure in Cuttack society, best known as the father of nationalist leader Subhas Chandra Bose.
-
C.
Trailokya Nath Chakraborty
Trailokya Nath Chakraborty was an Indian freedom fighter who was imprisoned in the notorious Cellular Jail in the Andaman Islands for his role in the struggle against British colonial rule.
-
D.
H. C. Mukherjee
H. C. Mukherjee was an Indian educationist, politician, and prominent Christian leader who played a key role in the framing of the Indian Constitution and later served as the Governor of West Bengal.
-
E.
Rajendra Lahiri
Rajendra Lahiri was an Indian revolutionary freedom fighter associated with the Hindustan Socialist Republican Association, known for his role in anti-British activities during the independence movement.
- 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: Sisir Kumar Mitra Target entity description: Sisir Kumar Mitra was a pioneering Indian physicist and radio scientist renowned for his groundbreaking research on the ionosphere and atmospheric physics.
-
A.
Sachindra Nath Sanyal
Sachindra Nath Sanyal was an Indian revolutionary leader and co-founder of the Hindustan Republican Association who played a key role in the early armed struggle against British colonial rule.
-
B.
Janakinath Bose
Janakinath Bose was an Indian lawyer and prominent figure in Cuttack society, best known as the father of nationalist leader Subhas Chandra Bose.
-
C.
Trailokya Nath Chakraborty
Trailokya Nath Chakraborty was an Indian freedom fighter who was imprisoned in the notorious Cellular Jail in the Andaman Islands for his role in the struggle against British colonial rule.
-
D.
H. C. Mukherjee
H. C. Mukherjee was an Indian educationist, politician, and prominent Christian leader who played a key role in the framing of the Indian Constitution and later served as the Governor of West Bengal.
-
E.
Rajendra Lahiri
Rajendra Lahiri was an Indian revolutionary freedom fighter associated with the Hindustan Socialist Republican Association, known for his role in anti-British activities during the independence movement.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Indian scientist
ⓘ
person ⓘ physicist ⓘ radio scientist ⓘ |
| continentOfCitizenship | Asia ⓘ |
| countryOfCitizenship | India ⓘ |
| employer | University of Calcutta ⓘ |
| ethnicGroup | Bengali people ⓘ |
| familyName | Mitra ⓘ |
| fieldOfWork |
atmospheric physics
ⓘ
ionospheric physics ⓘ physics ⓘ radio physics ⓘ |
| givenName | Sisir ⓘ |
| hasGender | male ⓘ |
| knownFor |
pioneering radio science in India
ⓘ
research on the ionosphere ⓘ research on the upper atmosphere ⓘ |
| languageSpoken | English ⓘ |
| name | Sisir Kumar Mitra ⓘ |
| nationality | Indian ⓘ |
| nativeLanguage | Bengali ⓘ |
| notableAchievement |
contributions to understanding radio wave propagation in the ionosphere
ⓘ
establishing ionospheric research in India ⓘ leadership in atmospheric physics research in India ⓘ |
| occupation |
physicist
ⓘ
professor ⓘ radio scientist ⓘ |
| workLocation |
Calcutta
ⓘ
India ⓘ |
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: Sisir Kumar Mitra Description of subject: Sisir Kumar Mitra was a pioneering Indian physicist and radio scientist renowned for his groundbreaking research on the ionosphere and atmospheric physics.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.