Triple
T9808524
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chandra’s Surface Thermophysical Experiment |
E238211
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object | Subrahmanyan Chandrasekhar |
E1879
|
NE FINISHED |
How this triple was built (2 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: Subrahmanyan Chandrasekhar | Statement: [Chandra’s Surface Thermophysical Experiment, namedAfter, Subrahmanyan Chandrasekhar]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Subrahmanyan Chandrasekhar Context triple: [Chandra’s Surface Thermophysical Experiment, namedAfter, Subrahmanyan Chandrasekhar]
-
A.
Subrahmanyan Chandrasekhar
chosen
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.
-
B.
Joseph Vijay Chandrasekhar
Joseph Vijay Chandrasekhar, popularly known as Vijay, is a leading Indian Tamil film actor and playback singer renowned for his mass appeal and box-office success.
-
C.
Meghnad Saha
Meghnad Saha was an Indian astrophysicist best known for developing the Saha ionization equation, which fundamentally advanced the understanding of stellar atmospheres and spectra.
-
D.
Martin Schwarzschild
Martin Schwarzschild was a German-American astrophysicist renowned for his pioneering work on stellar structure and evolution, as well as for introducing the use of high-altitude balloon observations in astronomy.
-
E.
Geoffrey Burbidge
Geoffrey Burbidge was a British-American astrophysicist best known for his pioneering work on stellar nucleosynthesis and the origin of the chemical elements in the universe.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca84defac48190abc1148804f184c1 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb21ef32c8190ab4b09d157798451 |
completed | April 2, 2026, 12:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1cc5b4dd8819088c86946b4eb8a39 |
completed | April 5, 2026, 2:43 a.m. |
Created at: March 30, 2026, 8:29 p.m.