Triple

T379023
Position Surface form Disambiguated ID Type / Status
Subject Satyendra Nath Bose E8634 entity
Predicate notableStudent P4838 FINISHED
Object Meghnad Saha (collaborator and contemporary Indian physicist)
Meghnad Saha was a pioneering Indian astrophysicist best known for formulating the Saha ionization equation, which fundamentally advanced the understanding of stellar atmospheres and spectra.
E48278 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Meghnad Saha (collaborator and contemporary Indian physicist) | Statement: [Satyendra Nath Bose, notableStudent, Meghnad Saha (collaborator and contemporary Indian physicist)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Meghnad Saha (collaborator and contemporary Indian physicist)
Context triple: [Satyendra Nath Bose, notableStudent, Meghnad Saha (collaborator and contemporary Indian physicist)]
  • A. Satyendra Nath Bose
    Satyendra Nath Bose was an Indian theoretical physicist whose work on quantum mechanics led to the development of Bose–Einstein statistics and the concept of bosons.
  • B. C. V. Raman
    C. V. Raman was an Indian physicist and Nobel laureate renowned for discovering the Raman effect, which describes the inelastic scattering of light.
  • C. Subrahmanyan Chandrasekhar
    Subrahmanyan Chandrasekhar was an Indian-American astrophysicist and Nobel laureate renowned for his work on stellar structure and evolution, particularly the Chandrasekhar limit for white dwarfs.
  • D. Satyendranath Tagore
    Satyendranath Tagore was an Indian civil servant, writer, and social reformer best known as the first Indian to join the Indian Civil Service and for his contributions to Bengali literature and women's emancipation.
  • E. Lalitha Chandrasekhar
    Lalitha Chandrasekhar was an Indian physicist and mathematician who collaborated closely with her husband, Nobel laureate Subrahmanyan Chandrasekhar, and contributed to research and education in astrophysics.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Meghnad Saha (collaborator and contemporary Indian physicist)
Triple: [Satyendra Nath Bose, notableStudent, Meghnad Saha (collaborator and contemporary Indian physicist)]
Generated description
Meghnad Saha was a pioneering Indian astrophysicist best known for formulating the Saha ionization equation, which fundamentally advanced the understanding of stellar atmospheres and spectra.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Meghnad Saha (collaborator and contemporary Indian physicist)
Target entity description: Meghnad Saha was a pioneering Indian astrophysicist best known for formulating the Saha ionization equation, which fundamentally advanced the understanding of stellar atmospheres and spectra.
  • A. Satyendra Nath Bose
    Satyendra Nath Bose was an Indian theoretical physicist whose work on quantum mechanics led to the development of Bose–Einstein statistics and the concept of bosons.
  • B. C. V. Raman
    C. V. Raman was an Indian physicist and Nobel laureate renowned for discovering the Raman effect, which describes the inelastic scattering of light.
  • C. Subrahmanyan Chandrasekhar
    Subrahmanyan Chandrasekhar was an Indian-American astrophysicist and Nobel laureate renowned for his work on stellar structure and evolution, particularly the Chandrasekhar limit for white dwarfs.
  • D. Satyendranath Tagore
    Satyendranath Tagore was an Indian civil servant, writer, and social reformer best known as the first Indian to join the Indian Civil Service and for his contributions to Bengali literature and women's emancipation.
  • E. Lalitha Chandrasekhar
    Lalitha Chandrasekhar was an Indian physicist and mathematician who collaborated closely with her husband, Nobel laureate Subrahmanyan Chandrasekhar, and contributed to research and education in astrophysics.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a2e7f47dd08190a4e294ccbbe46cd4 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec2974988190a1d6316cbb5159c8 completed Feb. 28, 2026, 1:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3fafe091881908fdf8ddbb6b8a7e6 completed March 1, 2026, 8:38 a.m.
NEDg Description generation batch_69a3fba8a31881909a32dca83c07e197 completed March 1, 2026, 8:41 a.m.
NED2 Entity disambiguation (via description) batch_69a3fc96cbd88190b05e70c73cbb45c0 completed March 1, 2026, 8:45 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.