Triple
T4943442
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SN 1987A |
E110990
|
entity |
| Predicate | firstNakedEyeSupernovaSince |
P20410
|
FINISHED |
| Object |
SN 1604
SN 1604, also known as Kepler's Supernova, was a historically significant stellar explosion observed in 1604 that became one of the brightest recorded supernovae in the Milky Way.
|
E481643
|
NE FINISHED |
How this triple was built (5 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 1604 | Statement: [SN 1987A, firstNakedEyeSupernovaSince, SN 1604]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SN 1604 Context triple: [SN 1987A, firstNakedEyeSupernovaSince, SN 1604]
-
A.
SN 1572
SN 1572 is a historically significant supernova in the constellation Cassiopeia whose detailed observations by Tycho Brahe helped challenge the Aristotelian view of an unchanging heavens.
-
B.
SN 1961V
SN 1961V is a peculiar and debated astronomical transient in the galaxy NGC 1058, long argued to be either an unusual supernova or a super-outburst of a luminous blue variable star.
-
C.
SN 1987A
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.
Great Comet of 1577
The Great Comet of 1577 was a bright, widely observed comet whose precise measurements by Tycho Brahe helped demonstrate that comets travel through the celestial spheres, challenging the prevailing Aristotelian cosmology.
-
E.
supernova SN 1954J
Supernova SN 1954J is a mid-20th-century stellar explosion event in an external galaxy that became notable through detailed optical observations and analysis by astronomers.
- 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: SN 1604 Triple: [SN 1987A, firstNakedEyeSupernovaSince, SN 1604]
Generated description
SN 1604, also known as Kepler's Supernova, was a historically significant stellar explosion observed in 1604 that became one of the brightest recorded supernovae in the Milky Way.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SN 1604 Target entity description: SN 1604, also known as Kepler's Supernova, was a historically significant stellar explosion observed in 1604 that became one of the brightest recorded supernovae in the Milky Way.
-
A.
SN 1572
SN 1572 is a historically significant supernova in the constellation Cassiopeia whose detailed observations by Tycho Brahe helped challenge the Aristotelian view of an unchanging heavens.
-
B.
SN 1961V
SN 1961V is a peculiar and debated astronomical transient in the galaxy NGC 1058, long argued to be either an unusual supernova or a super-outburst of a luminous blue variable star.
-
C.
SN 1987A
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.
Great Comet of 1577
The Great Comet of 1577 was a bright, widely observed comet whose precise measurements by Tycho Brahe helped demonstrate that comets travel through the celestial spheres, challenging the prevailing Aristotelian cosmology.
-
E.
supernova SN 1954J
Supernova SN 1954J is a mid-20th-century stellar explosion event in an external galaxy that became notable through detailed optical observations and analysis by astronomers.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: firstNakedEyeSupernovaSince Context triple: [SN 1987A, firstNakedEyeSupernovaSince, SN 1604]
-
A.
hasSupernovaRemnant
Indicates that an astronomical object is associated with or gives rise to a specific supernova remnant.
-
B.
firstLightYear
Indicates the specific light-year distance at which something first occurs, begins, or is measured.
-
C.
visibleToNakedEye
chosen
Indicates that something can be perceived directly without the aid of optical instruments such as telescopes, microscopes, or binoculars.
-
D.
wasFirstObservedIn
Indicates that an entity was initially noticed, recorded, or detected at a particular time or place.
-
E.
firstRevelationNear
Indicates that an entity’s initial revelation, disclosure, or divine communication occurred in the vicinity of a specified place or reference entity.
- F. None of above.
Provenance (6 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_69bd441721cc819085c7e33fe0876818 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd70a7650c8190b046b65072fd8eae |
completed | March 20, 2026, 4:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be77c421288190bcc2d9bfdfff7198 |
completed | March 21, 2026, 10:49 a.m. |
| NEDg | Description generation | batch_69be79127e80819088a97e674991fc8b |
completed | March 21, 2026, 10:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be7990fd048190b3d1acaa6e3bce90 |
completed | March 21, 2026, 10:57 a.m. |
| PD | Predicate disambiguation | batch_69bd6c389b9881908ad7fb1c5393c1b1 |
completed | March 20, 2026, 3:48 p.m. |
Created at: March 20, 2026, 1:31 p.m.