Triple
T3737652
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chandra X-ray Observatory |
E79623
|
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 X-ray Observatory, namedAfter, Subrahmanyan Chandrasekhar]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Subrahmanyan Chandrasekhar Context triple: [Chandra X-ray Observatory, 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.
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.
-
C.
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.
-
D.
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.
-
E.
Henry Bethe
Henry Bethe is the son of Nobel Prize–winning physicist Hans Bethe, known primarily in relation to his father's scientific legacy.
- 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_69ad8b115610819095b02007da5ca3cb |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69adcb3e9248819098d481fe29e1c628 |
completed | March 8, 2026, 7:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4db20bdfc81909cd27278ff5d9716 |
completed | March 14, 2026, 3:50 a.m. |
Created at: March 8, 2026, 3:34 p.m.