Triple
T4922131
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | W4 star-forming region |
E110488
|
entity |
| Predicate | catalogDesignation |
P974
|
FINISHED |
| Object |
Sharpless 2-190 (for associated nebula)
Sharpless 2-190 is a prominent emission nebula and active star-forming complex in the Milky Way, associated with the W4 region and shaped by massive young stars and their stellar winds.
|
E480050
|
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 2-190 (for associated nebula) | Statement: [W4 star-forming region, catalogDesignation, Sharpless 2-190 (for associated nebula)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sharpless 2-190 (for associated nebula) Context triple: [W4 star-forming region, catalogDesignation, Sharpless 2-190 (for associated nebula)]
-
A.
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.
-
B.
NGC 2023 reflection nebula
NGC 2023 is a bright reflection nebula in the constellation Orion, illuminated by a young B-type star and noted for its complex dust structures and role in studies of star formation.
-
C.
Vela OB2 association
Vela OB2 association is a nearby, young stellar grouping in the constellation Vela, rich in massive, hot stars and active star formation.
-
D.
IC 1805 (Heart Nebula)
IC 1805, commonly known as the Heart Nebula, is a large, bright emission nebula and star-forming region in the constellation Cassiopeia, notable for its heart-shaped appearance in astrophotography.
-
E.
S106 nebula
S106 nebula is a bipolar emission nebula and active star-forming region in the constellation Cygnus, illuminated by a massive young central star.
- 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 2-190 (for associated nebula) Triple: [W4 star-forming region, catalogDesignation, Sharpless 2-190 (for associated nebula)]
Generated description
Sharpless 2-190 is a prominent emission nebula and active star-forming complex in the Milky Way, associated with the W4 region and shaped by massive young stars and their stellar winds.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sharpless 2-190 (for associated nebula) Target entity description: Sharpless 2-190 is a prominent emission nebula and active star-forming complex in the Milky Way, associated with the W4 region and shaped by massive young stars and their stellar winds.
-
A.
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.
-
B.
NGC 2023 reflection nebula
NGC 2023 is a bright reflection nebula in the constellation Orion, illuminated by a young B-type star and noted for its complex dust structures and role in studies of star formation.
-
C.
Vela OB2 association
Vela OB2 association is a nearby, young stellar grouping in the constellation Vela, rich in massive, hot stars and active star formation.
-
D.
IC 1805 (Heart Nebula)
IC 1805, commonly known as the Heart Nebula, is a large, bright emission nebula and star-forming region in the constellation Cassiopeia, notable for its heart-shaped appearance in astrophotography.
-
E.
S106 nebula
S106 nebula is a bipolar emission nebula and active star-forming region in the constellation Cygnus, illuminated by a massive young central star.
- 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_69bd4413f9908190afcff44d7929cc4c |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6ffc2ab08190992db2400562bcee |
completed | March 20, 2026, 4:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be77a41ca08190a8fbfa405b15d68c |
completed | March 21, 2026, 10:49 a.m. |
| NEDg | Description generation | batch_69be78292a988190ba51886095629b9c |
completed | March 21, 2026, 10:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be7892b34c819095100b14a80d6fa4 |
completed | March 21, 2026, 10:53 a.m. |
Created at: March 20, 2026, 1:30 p.m.