Triple
T934098
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Perseus Arm |
E20156
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
NGC 7538
NGC 7538 is a massive star-forming nebula in the constellation Cepheus, notable for hosting some of the largest known protostars in the Milky Way.
|
E109441
|
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 7538 | Statement: [Perseus Arm, contains, NGC 7538]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NGC 7538 Context triple: [Perseus Arm, contains, NGC 7538]
-
A.
Messier 17
Messier 17, also known as the Omega or Swan Nebula, is a bright star-forming emission nebula located in the constellation Sagittarius.
-
B.
Eagle Nebula
The Eagle Nebula is a famous star-forming region in the Milky Way best known for the "Pillars of Creation," towering columns of gas and dust captured in iconic Hubble Space Telescope images.
-
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.
Orion Molecular Cloud Complex
The Orion Molecular Cloud Complex is a vast star-forming region in the constellation Orion, rich in gas, dust, and young stellar objects, and one of the most studied nurseries of massive stars in the Milky Way.
- 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 7538 Triple: [Perseus Arm, contains, NGC 7538]
Generated description
NGC 7538 is a massive star-forming nebula in the constellation Cepheus, notable for hosting some of the largest known protostars in the Milky Way.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NGC 7538 Target entity description: NGC 7538 is a massive star-forming nebula in the constellation Cepheus, notable for hosting some of the largest known protostars in the Milky Way.
-
A.
Messier 17
Messier 17, also known as the Omega or Swan Nebula, is a bright star-forming emission nebula located in the constellation Sagittarius.
-
B.
Eagle Nebula
The Eagle Nebula is a famous star-forming region in the Milky Way best known for the "Pillars of Creation," towering columns of gas and dust captured in iconic Hubble Space Telescope images.
-
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.
Orion Molecular Cloud Complex
The Orion Molecular Cloud Complex is a vast star-forming region in the constellation Orion, rich in gas, dust, and young stellar objects, and one of the most studied nurseries of massive stars in the Milky Way.
- 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.