Triple

T20576729
Position Surface form Disambiguated ID Type / Status
Subject Pierre Méchain E505236 entity
Predicate discovered P412 FINISHED
Object Messier 74
Messier 74 is a face-on spiral galaxy in the constellation Pisces, noted for its well-defined structure and frequent use as a reference object in studies of galactic morphology.
E1449047 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 74 | Statement: [Pierre Méchain, discovered, Messier 74]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Messier 74
Context triple: [Pierre Méchain, discovered, Messier 74]
  • A. Messier 77
    Messier 77 is a bright barred spiral galaxy and active galactic nucleus located in the constellation Cetus, known as one of the nearest and most studied Seyfert galaxies.
  • B. 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.
  • C. Messier 75
    Messier 75 is a densely concentrated globular star cluster located in the constellation Sagittarius, notable for its great distance from Earth and rich population of ancient stars.
  • D. Messier 108
    Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
  • E. Messier 109
    Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
  • 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 74
Triple: [Pierre Méchain, discovered, Messier 74]
Generated description
Messier 74 is a face-on spiral galaxy in the constellation Pisces, noted for its well-defined structure and frequent use as a reference object in studies of galactic morphology.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Messier 74
Target entity description: Messier 74 is a face-on spiral galaxy in the constellation Pisces, noted for its well-defined structure and frequent use as a reference object in studies of galactic morphology.
  • A. Messier 77
    Messier 77 is a bright barred spiral galaxy and active galactic nucleus located in the constellation Cetus, known as one of the nearest and most studied Seyfert galaxies.
  • B. 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.
  • C. Messier 75
    Messier 75 is a densely concentrated globular star cluster located in the constellation Sagittarius, notable for its great distance from Earth and rich population of ancient stars.
  • D. Messier 108
    Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
  • E. Messier 109
    Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
  • 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_6a08e8262e988190a50fb3bc137669a6 completed May 16, 2026, 9:56 p.m.
NEDg Description generation batch_6a08e93ff7dc8190b4668b965e90ab10 completed May 16, 2026, 10:01 p.m.
NED2 Entity disambiguation (via description) batch_6a08ea02a1688190bc7944f67067bcfa completed May 16, 2026, 10:04 p.m.
Created at: April 16, 2026, 11:39 a.m.