Triple

T19730046
Position Surface form Disambiguated ID Type / Status
Subject Messier 83 E473825 entity
Predicate supernovaeObserved P131611 FINISHED
Object SN 1957D — NE NERFINISHED

How this triple was built (3 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 1957D | Statement: [Messier 83, supernovaeObserved, SN 1957D]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SN 1957D
Context triple: [Messier 83, supernovaeObserved, SN 1957D]
  • A. 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.
  • B. SN 1054
    SN 1054 is a historic supernova observed in 1054 CE whose explosion created the Crab Nebula and was recorded by several medieval astronomers.
  • C. 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.
  • D. SN 2004dj
    SN 2004dj is a relatively nearby Type II-P supernova discovered in 2004 in the spiral galaxy NGC 2403, notable for being one of the brightest and closest core-collapse supernovae observed in recent decades.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SN 1957D
Target entity description: SN 1957D is a historical core-collapse supernova and long-lived supernova remnant located in the nearby spiral galaxy Messier 83.
  • A. 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.
  • B. SN 1054
    SN 1054 is a historic supernova observed in 1054 CE whose explosion created the Crab Nebula and was recorded by several medieval astronomers.
  • C. 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.
  • D. SN 2004dj
    SN 2004dj is a relatively nearby Type II-P supernova discovered in 2004 in the spiral galaxy NGC 2403, notable for being one of the brightest and closest core-collapse supernovae observed in recent decades.
  • E. 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.
  • F. None of above. chosen

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_69d8e517ebd48190979ee76723bcfadf completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e649fbeaf081909e9356229eaf84dd completed April 20, 2026, 3:45 p.m.
Created at: April 10, 2026, 1:47 p.m.