Triple

T21026357
Position Surface form Disambiguated ID Type / Status
Subject M58 E517950 entity
Predicate hostedSupernova P6961 FINISHED
Object SN 1988A
SN 1988A is a supernova observed in 1988 within the spiral galaxy Messier 58 in the Virgo Cluster.
E1463445 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 1988A | Statement: [M58, hostedSupernova, SN 1988A]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SN 1988A
Context triple: [M58, hostedSupernova, SN 1988A]
  • 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 1968L
    SN 1968L is a supernova that occurred in the nearby spiral galaxy Messier 83, contributing to its reputation as one of the most prolific supernova-hosting galaxies in the local universe.
  • C. 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.
  • D. SN 1983N
    SN 1983N is a well-studied supernova that occurred in the nearby spiral galaxy Messier 83, contributing valuable data to the understanding of stellar explosions.
  • E. 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.
  • 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 1988A
Triple: [M58, hostedSupernova, SN 1988A]
Generated description
SN 1988A is a supernova observed in 1988 within the spiral galaxy Messier 58 in the Virgo Cluster.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SN 1988A
Target entity description: SN 1988A is a supernova observed in 1988 within the spiral galaxy Messier 58 in the Virgo Cluster.
  • 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 1968L
    SN 1968L is a supernova that occurred in the nearby spiral galaxy Messier 83, contributing to its reputation as one of the most prolific supernova-hosting galaxies in the local universe.
  • C. 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.
  • D. SN 1983N
    SN 1983N is a well-studied supernova that occurred in the nearby spiral galaxy Messier 83, contributing valuable data to the understanding of stellar explosions.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hostedSupernova
Context triple: [M58, hostedSupernova, SN 1988A]
  • A. hosted
    Indicates that one entity organized and provided the venue or platform for an event, activity, or presence involving another entity.
  • B. hostedFirst
    Indicates that one entity acted as the initial host for another entity, preceding any subsequent hosts.
  • C. hostedOn
    Indicates that one entity operates, resides, or is made available on another entity that provides the underlying platform or infrastructure.
  • D. hostedAfter
    Indicates that one hosting event occurred later in time than another hosting event.
  • E. hostGalaxy chosen
    Indicates the galaxy in which an astronomical object or system is located or with which it is physically associated.
  • 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_69e0b503275c8190afd9a163f997c709 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e6fc7c262c8190bceb8fd26be76983 completed April 21, 2026, 4:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a094743553c81908a029cdfe9376bbd completed May 17, 2026, 4:42 a.m.
NEDg Description generation batch_6a0947d293588190a235ff9713b7630f completed May 17, 2026, 4:45 a.m.
NED2 Entity disambiguation (via description) batch_6a0948839fd481909a68a1e7105d9b72 completed May 17, 2026, 4:48 a.m.
PD Predicate disambiguation batch_69e5dbf274ac81909bbf245627dc8fdc completed April 20, 2026, 7:55 a.m.
Created at: April 16, 2026, 1:55 p.m.