Triple

T20724705
Position Surface form Disambiguated ID Type / Status
Subject NGC 2359 E509403 entity
Predicate alsoKnownAs P39 FINISHED
Object Sharpless 2-298
Sharpless 2-298 is a bright emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet due to its distinctive bubble-like shape around a massive Wolf–Rayet star.
 E1447281 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: Sharpless 2-298 | Statement: [NGC 2359, alsoKnownAs, Sharpless 2-298]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sharpless 2-298
Context triple: [NGC 2359, alsoKnownAs, Sharpless 2-298]
  • A. Sharpless 2-220
    Sharpless 2-220 is a large, bright emission nebula in the constellation Perseus, notable for its elongated shape and reddish glow produced by ionized hydrogen gas.
  • B. Sharpless 2-275
    Sharpless 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rose-like appearance.
  • C. Sharpless 279
    Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
  • D. Sharpless 2-190
    Sharpless 2-190 is a large, bright emission nebula in the constellation Cassiopeia, notable for its heart-like shape and active star-forming regions.
  • E. Sharpless 244
    Sharpless 244 is an emission nebula better known as the Crab Nebula, the supernova remnant of a stellar explosion recorded on Earth in 1054 AD.
  • 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: Sharpless 2-298
Triple: [NGC 2359, alsoKnownAs, Sharpless 2-298]
Generated description
Sharpless 2-298 is a bright emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet due to its distinctive bubble-like shape around a massive Wolf–Rayet star.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sharpless 2-298
Target entity description: Sharpless 2-298 is a bright emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet due to its distinctive bubble-like shape around a massive Wolf–Rayet star.
  • A. Sharpless 2-220
    Sharpless 2-220 is a large, bright emission nebula in the constellation Perseus, notable for its elongated shape and reddish glow produced by ionized hydrogen gas.
  • B. Sharpless 2-275
    Sharpless 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rose-like appearance.
  • C. Sharpless 279
    Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
  • D. Sharpless 2-190
    Sharpless 2-190 is a large, bright emission nebula in the constellation Cassiopeia, notable for its heart-like shape and active star-forming regions.
  • E. Sharpless 244
    Sharpless 244 is an emission nebula better known as the Crab Nebula, the supernova remnant of a stellar explosion recorded on Earth in 1054 AD.
  • 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_69e0b4c4cc648190b45fda6e2b20af56 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c1e662f08190917ee043612d413e completed April 21, 2026, 12:16 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08e0595d408190b9a8c2b063a83b5d completed May 16, 2026, 9:23 p.m.
NEDg Description generation batch_6a08e12d0d8c81909527575f628ec2d2 completed May 16, 2026, 9:27 p.m.
NED2 Entity disambiguation (via description) batch_6a08e1a7f16c8190af9a1dde4263e21d completed May 16, 2026, 9:29 p.m.
Created at: April 16, 2026, 12:28 p.m.