Triple
T19260837
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sanduleak -69 202 |
E481644
|
entity |
| Predicate | remnant |
P44035
|
FINISHED |
| Object | SN 1987A supernova remnant |
—
|
NE NERFINISHED |
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: SN 1987A supernova remnant | Statement: [Sanduleak -69 202, remnant, SN 1987A supernova remnant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SN 1987A supernova remnant Context triple: [Sanduleak -69 202, remnant, SN 1987A supernova remnant]
-
A.
Tycho's Supernova Remnant
Tycho's Supernova Remnant is the expanding shell of gas and dust left behind by the Type Ia supernova observed by Tycho Brahe in 1572, located in the constellation Cassiopeia.
-
B.
Kepler's Supernova Remnant
Kepler's Supernova Remnant is the expanding cloud of gas and dust left behind by the supernova observed in 1604, one of the most studied stellar explosions in the Milky Way.
-
C.
SN 1987A
chosen
SN 1987A is a famous supernova, the closest observed in modern times, whose 1987 explosion in the Large Magellanic Cloud has provided key insights into stellar death and supernova physics.
-
D.
Monoceros Loop supernova remnant
The Monoceros Loop supernova remnant is a large, faint shell of gas and dust in the constellation Monoceros, believed to be the remains of an ancient supernova explosion.
-
E.
Cassiopeia A
Cassiopeia A is a well-studied, relatively young supernova remnant in the constellation Cassiopeia and one of the strongest radio and X-ray sources in the sky.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e8ce54cc8190998418ff1f66ef28 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fb890e7c8190beba407f63459382 |
completed | April 20, 2026, 10:10 a.m. |
Created at: April 10, 2026, 1:28 p.m.