Triple

T20183875
Position Surface form Disambiguated ID Type / Status
Subject Cepheus OB2 association E492802 entity
Predicate contains P35 FINISHED
Object IC 1396 H II region — NE NERFINISHED

How this triple was built (3 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 1396 H II region | Statement: [Cepheus OB2 association, contains, IC 1396 H II region]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: IC 1396 H II region
Context triple: [Cepheus OB2 association, contains, IC 1396 H II region]
  • A. 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.
  • B. Barnard 33
    Barnard 33, commonly known as the Horsehead Nebula, is a small dark nebula in the constellation Orion whose distinctive horse-head shape is silhouetted against the bright emission nebula IC 434.
  • C. W5 H II region
    W5 H II region is a large ionized hydrogen cloud in the Milky Way notable for active star formation and complex nebular structures.
  • D. 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.
  • 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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: IC 1396 H II region
Target entity description: 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.
  • A. 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.
  • B. Barnard 33
    Barnard 33, commonly known as the Horsehead Nebula, is a small dark nebula in the constellation Orion whose distinctive horse-head shape is silhouetted against the bright emission nebula IC 434.
  • C. W5 H II region
    W5 H II region is a large ionized hydrogen cloud in the Milky Way notable for active star formation and complex nebular structures.
  • D. 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.
  • 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 (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.