Triple
T20183876
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cepheus OB2 association |
E492802
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object | IC 1396A Elephant Trunk Nebula |
—
|
NE NERFINISHED |
How this triple was built (2 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: IC 1396A Elephant Trunk Nebula | Statement: [Cepheus OB2 association, contains, IC 1396A Elephant Trunk Nebula]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IC 1396A Elephant Trunk Nebula Context triple: [Cepheus OB2 association, contains, IC 1396A Elephant Trunk Nebula]
-
A.
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.
-
B.
IC 434 emission nebula
IC 434 is a bright emission nebula in the constellation Orion, best known as the glowing hydrogen backdrop that silhouettes the famous Horsehead Nebula.
-
C.
IC 1396 H II region
chosen
IC 1396 is a large, bright emission nebula and star-forming H II region in the constellation Cepheus, notable for its embedded young stellar objects and dark globules such as the Elephant’s Trunk Nebula.
-
D.
Horsehead Nebula
The Horsehead Nebula is a dark molecular cloud in the constellation Orion, famous for its distinctive horse-head shape silhouetted against a bright emission nebula.
-
E.
Seagull Nebula
The Seagull Nebula is a large, bird-shaped emission nebula and star-forming region located along the border of the constellations Monoceros and Canis Major.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69da6268a034819081cbd9ea5a1c9475 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e668f068748190a0941e98ef5afd59 |
completed | April 20, 2026, 5:57 p.m. |
Created at: April 11, 2026, 11:36 p.m.