Triple

T20576725
Position Surface form Disambiguated ID Type / Status
Subject Pierre Méchain E505236 entity
Predicate discovered P412 FINISHED
Object Messier 66
Messier 66 is a bright, barred spiral galaxy in the constellation Leo and a prominent member of the Leo Triplet galaxy group.
E1441440 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 66 | Statement: [Pierre Méchain, discovered, Messier 66]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Messier 66
Context triple: [Pierre Méchain, discovered, Messier 66]
  • A. Messier 65
    Messier 65 is a bright spiral galaxy in the constellation Leo, notable as one of the three galaxies forming the Leo Triplet.
  • B. M66
    M66 is a motorway in Greater Manchester, England, forming part of the route between Manchester and the M62 near Bury.
  • C. Messier 63
    Messier 63, also known as the Sunflower Galaxy, is a bright, flocculent spiral galaxy in the constellation Canes Venatici and a prominent member of the M51 Group.
  • D. Messier 51
    Messier 51, also known as the Whirlpool Galaxy, is a famous face-on spiral galaxy in the constellation Canes Venatici noted for its striking structure and interaction with a companion galaxy.
  • E. Messier 101
    Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
  • 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 66
Triple: [Pierre Méchain, discovered, Messier 66]
Generated description
Messier 66 is a bright, barred spiral galaxy in the constellation Leo and a prominent member of the Leo Triplet galaxy group.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Messier 66
Target entity description: Messier 66 is a bright, barred spiral galaxy in the constellation Leo and a prominent member of the Leo Triplet galaxy group.
  • A. Messier 65
    Messier 65 is a bright spiral galaxy in the constellation Leo, notable as one of the three galaxies forming the Leo Triplet.
  • B. M66
    M66 is a motorway in Greater Manchester, England, forming part of the route between Manchester and the M62 near Bury.
  • C. Messier 63
    Messier 63, also known as the Sunflower Galaxy, is a bright, flocculent spiral galaxy in the constellation Canes Venatici and a prominent member of the M51 Group.
  • D. Messier 51
    Messier 51, also known as the Whirlpool Galaxy, is a famous face-on spiral galaxy in the constellation Canes Venatici noted for its striking structure and interaction with a companion galaxy.
  • E. Messier 101
    Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
  • 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_6a08bb074a948190b6448663ca4abe6d completed May 16, 2026, 6:44 p.m.
NEDg Description generation batch_6a08bc8ef2f48190a2ac7b184fdd7cf8 completed May 16, 2026, 6:50 p.m.
NED2 Entity disambiguation (via description) batch_6a08bd08c6988190b643f06650bc83b7 completed May 16, 2026, 6:52 p.m.
Created at: April 16, 2026, 11:39 a.m.