Triple

T21026169
Position Surface form Disambiguated ID Type / Status
Subject Sombrero Galaxy E517946 entity
Predicate isMessierObject P20402 FINISHED
Object Messier 104
Messier 104 is a bright, nearby spiral galaxy with a prominent dust lane and large central bulge, popularly known as the Sombrero Galaxy in the constellation Virgo.
E1464251 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: Messier 104 | Statement: [Sombrero Galaxy, isMessierObject, Messier 104]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Messier 104
Context triple: [Sombrero Galaxy, isMessierObject, Messier 104]
  • A. Messier 54
    Messier 54 is a dense globular star cluster located in the constellation Sagittarius, notable for being one of the first globular clusters found to belong to a dwarf galaxy outside the Milky Way.
  • B. 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.
  • C. Messier 107
    Messier 107 is a globular star cluster in the constellation Ophiuchus, notable for its relatively loose structure and rich population of ancient stars.
  • D. Messier 14
    Messier 14 is a bright globular star cluster in the constellation Ophiuchus, composed of hundreds of thousands of ancient stars densely packed together.
  • E. Messier 48
    Messier 48 is an open star cluster located in the constellation Hydra, visible to the naked eye under dark skies.
  • 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 104
Triple: [Sombrero Galaxy, isMessierObject, Messier 104]
Generated description
Messier 104 is a bright, nearby spiral galaxy with a prominent dust lane and large central bulge, popularly known as the Sombrero Galaxy in the constellation Virgo.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Messier 104
Target entity description: Messier 104 is a bright, nearby spiral galaxy with a prominent dust lane and large central bulge, popularly known as the Sombrero Galaxy in the constellation Virgo.
  • A. Messier 54
    Messier 54 is a dense globular star cluster located in the constellation Sagittarius, notable for being one of the first globular clusters found to belong to a dwarf galaxy outside the Milky Way.
  • B. 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.
  • C. Messier 107
    Messier 107 is a globular star cluster in the constellation Ophiuchus, notable for its relatively loose structure and rich population of ancient stars.
  • D. Messier 14
    Messier 14 is a bright globular star cluster in the constellation Ophiuchus, composed of hundreds of thousands of ancient stars densely packed together.
  • E. Messier 48
    Messier 48 is an open star cluster located in the constellation Hydra, visible to the naked eye under dark skies.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isMessierObject
Context triple: [Sombrero Galaxy, isMessierObject, Messier 104]
  • A. hasMessierNumber chosen
    Indicates that an astronomical object is identified by a specific catalog entry in the Messier catalog.
  • B. isAstronomicalObject
    Indicates that something is classified as an astronomical object, such as a star, planet, moon, asteroid, or similar celestial body.
  • C. hasDeepSkyObject
    Indicates that an entity is associated with or contains a specific deep-sky astronomical object (such as a galaxy, nebula, or star cluster).
  • D. hasCaldwellNumber
    Indicates that an astronomical object is associated with a specific entry in the Caldwell catalog, identified by its Caldwell number.
  • E. hostGalaxyMessierNumber
    Indicates the Messier catalog number assigned to the galaxy that serves as the host for the referenced astronomical object.
  • 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_6a09474123ac8190b335000f96df7473 completed May 17, 2026, 4:42 a.m.
NEDg Description generation batch_6a09490822ac81909966eb2013ddb837 completed May 17, 2026, 4:50 a.m.
NED2 Entity disambiguation (via description) batch_6a094a078eb08190857d156dcadf35fc completed May 17, 2026, 4:54 a.m.
PD Predicate disambiguation batch_69e5dbf274ac81909bbf245627dc8fdc completed April 20, 2026, 7:55 a.m.
Created at: April 16, 2026, 1:55 p.m.