Triple
T20892251
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thor’s Helmet Nebula |
E514436
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object |
Sh2-298
Sh2-298 is an emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet for its distinctive helmet-like shape surrounding a massive Wolf–Rayet star.
|
E1456061
|
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: Sh2-298 | Statement: [Thor’s Helmet Nebula, alsoKnownAs, Sh2-298]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sh2-298 Context triple: [Thor’s Helmet Nebula, alsoKnownAs, Sh2-298]
-
A.
Sh2-25
Sh2-25 is a compact emission nebula in the constellation Sagittarius, cataloged in the Sharpless catalog of H II regions.
-
B.
Sh2-202
Sh2-202 is a large, faint emission nebula and H II region located in the constellation Camelopardalis.
-
C.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
-
D.
Sh2-184
Sh2-184, commonly known as the Pacman Nebula, is an emission nebula in the constellation Cassiopeia notable for its distinctive shape resembling the classic video game character.
-
E.
Sh2-117
Sh2-117 is a large emission nebula in the constellation Cygnus, better known as the North America Nebula (NGC 7000), notable for its distinctive continent-like shape and active 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: Sh2-298 Triple: [Thor’s Helmet Nebula, alsoKnownAs, Sh2-298]
Generated description
Sh2-298 is an emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet for its distinctive helmet-like shape surrounding a massive Wolf–Rayet star.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sh2-298 Target entity description: Sh2-298 is an emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet for its distinctive helmet-like shape surrounding a massive Wolf–Rayet star.
-
A.
Sh2-25
Sh2-25 is a compact emission nebula in the constellation Sagittarius, cataloged in the Sharpless catalog of H II regions.
-
B.
Sh2-202
Sh2-202 is a large, faint emission nebula and H II region located in the constellation Camelopardalis.
-
C.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
-
D.
Sh2-184
Sh2-184, commonly known as the Pacman Nebula, is an emission nebula in the constellation Cassiopeia notable for its distinctive shape resembling the classic video game character.
-
E.
Sh2-117
Sh2-117 is a large emission nebula in the constellation Cygnus, better known as the North America Nebula (NGC 7000), notable for its distinctive continent-like shape and active 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_69e0b4f7ebe48190952a85547a0f31a1 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6d05f0bec8190a296db546bd34114 |
completed | April 21, 2026, 1:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0918c956d881909f3209f6960bcb20 |
completed | May 17, 2026, 1:24 a.m. |
| NEDg | Description generation | batch_6a0919d9d4008190a19a42a0d699c108 |
completed | May 17, 2026, 1:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a091a3c7e5c81908a4510d411be5bfa |
completed | May 17, 2026, 1:30 a.m. |
Created at: April 16, 2026, 12:46 p.m.