Triple

T20576735
Position Surface form Disambiguated ID Type / Status
Subject Pierre Méchain E505236 entity
Predicate discovered P412 FINISHED
Object Messier 84
Messier 84 is a lenticular galaxy in the Virgo Cluster, notable for its supermassive black hole and role in studies of galactic dynamics and active galactic nuclei.
E1444292 NE FINISHED

How this triple was built (4 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: Messier 84 | Statement: [Pierre Méchain, discovered, Messier 84]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Messier 84
Context triple: [Pierre Méchain, discovered, Messier 84]
  • A. Messier 80
    Messier 80 is a dense globular star cluster located in the constellation Scorpius, notable for its rich population of stars and high central concentration.
  • B. Messier 110
    Messier 110 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy located in the Local Group.
  • C. Messier 65
    Messier 65 is a bright spiral galaxy in the constellation Leo, notable as one of the three galaxies forming the Leo Triplet.
  • D. Messier 66
    Messier 66 is a bright, barred spiral galaxy in the constellation Leo and a prominent member of the Leo Triplet galaxy group.
  • E. NGC 4478
    NGC 4478 is an elliptical galaxy located in the constellation Virgo and is a member of the Virgo Cluster of galaxies.
  • 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: Messier 84
Triple: [Pierre Méchain, discovered, Messier 84]
Generated description
Messier 84 is a lenticular galaxy in the Virgo Cluster, notable for its supermassive black hole and role in studies of galactic dynamics and active galactic nuclei.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Messier 84
Target entity description: Messier 84 is a lenticular galaxy in the Virgo Cluster, notable for its supermassive black hole and role in studies of galactic dynamics and active galactic nuclei.
  • A. Messier 80
    Messier 80 is a dense globular star cluster located in the constellation Scorpius, notable for its rich population of stars and high central concentration.
  • B. Messier 110
    Messier 110 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy located in the Local Group.
  • C. Messier 65
    Messier 65 is a bright spiral galaxy in the constellation Leo, notable as one of the three galaxies forming the Leo Triplet.
  • D. Messier 66
    Messier 66 is a bright, barred spiral galaxy in the constellation Leo and a prominent member of the Leo Triplet galaxy group.
  • E. NGC 4478
    NGC 4478 is an elliptical galaxy located in the constellation Virgo and is a member of the Virgo Cluster of galaxies.
  • F. None of above. chosen

Provenance (5 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_69e0b4b721588190993ac7b0a9be2736 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a90af3608190955d2c7950726178 completed April 20, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08cd4bf728819090ecc8e2deb5c4dd completed May 16, 2026, 8:02 p.m.
NEDg Description generation batch_6a08d174278481909db394da2a7ff969 completed May 16, 2026, 8:20 p.m.
NED2 Entity disambiguation (via description) batch_6a08d293523c8190aaa01c6c73c9afd5 completed May 16, 2026, 8:24 p.m.
Created at: April 16, 2026, 11:39 a.m.