Triple

T93548
Position Surface form Disambiguated ID Type / Status
Subject Subrahmanyan Chandrasekhar E1879 entity
Predicate spouse P13 FINISHED
Object 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.
 E12500 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: Lalitha Chandrasekhar | Statement: [Subrahmanyan Chandrasekhar, spouse, Lalitha Chandrasekhar]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lalitha Chandrasekhar
Context triple: [Subrahmanyan Chandrasekhar, spouse, Lalitha Chandrasekhar]
  • A. Madhavi Malalgoda Ariyabandu
    Madhavi Malalgoda Ariyabandu is a Sri Lankan peace and human rights advocate recognized internationally for her contributions to social justice and conflict resolution.
  • B. M. S. Swaminathan
    M. S. Swaminathan was an Indian geneticist and agricultural scientist widely regarded as the chief architect of India’s Green Revolution, which transformed the country from food scarcity to self-sufficiency.
  • C. Linda Salzman Sagan
    Linda Salzman Sagan is an American artist and writer best known for co-designing the Pioneer plaque and contributing to other interstellar message projects alongside Carl Sagan.
  • D. 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.
  • E. Shirley Ann Jackson
    Shirley Ann Jackson is an American physicist and trailblazing academic leader renowned for her pioneering research in theoretical physics and for being one of the first Black women to earn a Ph.D. from MIT.
  • 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: Lalitha Chandrasekhar
Triple: [Subrahmanyan Chandrasekhar, spouse, Lalitha Chandrasekhar]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lalitha Chandrasekhar
Target entity description: 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.
  • A. Madhavi Malalgoda Ariyabandu
    Madhavi Malalgoda Ariyabandu is a Sri Lankan peace and human rights advocate recognized internationally for her contributions to social justice and conflict resolution.
  • B. M. S. Swaminathan
    M. S. Swaminathan was an Indian geneticist and agricultural scientist widely regarded as the chief architect of India’s Green Revolution, which transformed the country from food scarcity to self-sufficiency.
  • C. Linda Salzman Sagan
    Linda Salzman Sagan is an American artist and writer best known for co-designing the Pioneer plaque and contributing to other interstellar message projects alongside Carl Sagan.
  • D. 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.
  • E. Shirley Ann Jackson
    Shirley Ann Jackson is an American physicist and trailblazing academic leader renowned for her pioneering research in theoretical physics and for being one of the first Black women to earn a Ph.D. from MIT.
  • 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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a24fd28e988190bde699647ee5b16b completed Feb. 28, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a284fd52f08190b264937658192e79 completed Feb. 28, 2026, 6:02 a.m.
NEDg Description generation batch_69a289412840819099a731a601d923e2 completed Feb. 28, 2026, 6:20 a.m.
NED2 Entity disambiguation (via description) batch_69a2900e6b908190b048ab21595172a5 completed Feb. 28, 2026, 6:49 a.m.
Created at: Feb. 28, 2026, 2:07 a.m.