Triple
T934099
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Perseus Arm |
E20156
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
NGC 281 (Pacman Nebula)
NGC 281, commonly known as the Pacman Nebula, is an emission nebula and active star-forming region in the constellation Cassiopeia, notable for its distinctive shape and embedded young star cluster IC 1590.
|
E109442
|
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: NGC 281 (Pacman Nebula) | Statement: [Perseus Arm, contains, NGC 281 (Pacman Nebula)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NGC 281 (Pacman Nebula) Context triple: [Perseus Arm, contains, NGC 281 (Pacman Nebula)]
-
A.
Southern Ring Nebula
The Southern Ring Nebula is a bright, roughly 2,000-light-year-distant planetary nebula in the constellation Vela, formed from the outer layers of a dying sun-like star and notable for its intricate, colorful gas shells.
-
B.
Rosette Nebula
The Rosette Nebula is a large, circular emission nebula and active star-forming region located in the Milky Way, notable for its striking rose-like appearance in astrophotography.
-
C.
NGC 6822
NGC 6822 is a barred irregular dwarf galaxy located in the constellation Sagittarius and is one of the nearest and best-studied galaxies outside the Milky Way.
-
D.
Carina Nebula
The Carina Nebula is a vast, active star-forming region in the Milky Way known for its towering gas and dust pillars and dramatic young stellar clusters.
-
E.
IC 10
IC 10 is a nearby irregular starburst galaxy notable for its intense star formation and membership in the Local Group.
- 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: NGC 281 (Pacman Nebula) Triple: [Perseus Arm, contains, NGC 281 (Pacman Nebula)]
Generated description
NGC 281, commonly known as the Pacman Nebula, is an emission nebula and active star-forming region in the constellation Cassiopeia, notable for its distinctive shape and embedded young star cluster IC 1590.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NGC 281 (Pacman Nebula) Target entity description: NGC 281, commonly known as the Pacman Nebula, is an emission nebula and active star-forming region in the constellation Cassiopeia, notable for its distinctive shape and embedded young star cluster IC 1590.
-
A.
Southern Ring Nebula
The Southern Ring Nebula is a bright, roughly 2,000-light-year-distant planetary nebula in the constellation Vela, formed from the outer layers of a dying sun-like star and notable for its intricate, colorful gas shells.
-
B.
Rosette Nebula
The Rosette Nebula is a large, circular emission nebula and active star-forming region located in the Milky Way, notable for its striking rose-like appearance in astrophotography.
-
C.
NGC 6822
NGC 6822 is a barred irregular dwarf galaxy located in the constellation Sagittarius and is one of the nearest and best-studied galaxies outside the Milky Way.
-
D.
Carina Nebula
The Carina Nebula is a vast, active star-forming region in the Milky Way known for its towering gas and dust pillars and dramatic young stellar clusters.
-
E.
IC 10
IC 10 is a nearby irregular starburst galaxy notable for its intense star formation and membership in the Local Group.
- 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_69a493af3dc48190adb7263e6e445ea1 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b3627ccc8190a836515b2ea85ec5 |
completed | March 1, 2026, 9:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7ee12da388190a26f0f7944d6f5f8 |
completed | March 4, 2026, 8:32 a.m. |
| NEDg | Description generation | batch_69a7f12e48f88190bd0aac156a76f0b9 |
completed | March 4, 2026, 8:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7f1a2688881908524f10350137f4f |
completed | March 4, 2026, 8:47 a.m. |
Created at: March 1, 2026, 7:40 p.m.