Triple

T20183873
Position Surface form Disambiguated ID Type / Status
Subject Cepheus OB2 association E492802 entity
Predicate contains P35 FINISHED
Object open cluster Trumpler 37 — 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: open cluster Trumpler 37 | Statement: [Cepheus OB2 association, contains, open cluster Trumpler 37]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: open cluster Trumpler 37
Context triple: [Cepheus OB2 association, contains, open cluster Trumpler 37]
  • A. Trumpler II 3 m
    Trumpler II 3 m is a classification code indicating that the Jewel Box cluster is a moderately rich, well-detached open star cluster of intermediate concentration with medium brightness range.
  • B. M17 cluster
    The M17 cluster is a young, massive open star cluster embedded within the Omega Nebula in the constellation Sagittarius, notable for its intense star formation and bright, ionizing stars.
  • C. Trapezium Cluster
    The Trapezium Cluster is a compact group of young, massive stars in the heart of the Orion Nebula that illuminates and shapes the surrounding star-forming region.
  • D. Trumpler 14
    Trumpler 14 is a very young, massive open star cluster in the Carina Nebula, notable for containing some of the most luminous and hottest known stars in the Milky Way.
  • E. Trumpler 15
    Trumpler 15 is a young, compact open star cluster located within the Carina Nebula, notable for its massive, hot stars and role in the region’s intense stellar activity.
  • 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: open cluster Trumpler 37
Target entity description: Open cluster Trumpler 37 is a young, loose star cluster embedded in the emission nebula IC 1396 in the constellation Cepheus, notable as a site of active star formation.
  • A. Trumpler II 3 m
    Trumpler II 3 m is a classification code indicating that the Jewel Box cluster is a moderately rich, well-detached open star cluster of intermediate concentration with medium brightness range.
  • B. M17 cluster
    The M17 cluster is a young, massive open star cluster embedded within the Omega Nebula in the constellation Sagittarius, notable for its intense star formation and bright, ionizing stars.
  • C. Trapezium Cluster
    The Trapezium Cluster is a compact group of young, massive stars in the heart of the Orion Nebula that illuminates and shapes the surrounding star-forming region.
  • D. Trumpler 14
    Trumpler 14 is a very young, massive open star cluster in the Carina Nebula, notable for containing some of the most luminous and hottest known stars in the Milky Way.
  • E. Trumpler 15
    Trumpler 15 is a young, compact open star cluster located within the Carina Nebula, notable for its massive, hot stars and role in the region’s intense stellar activity.
  • 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.