Triple

T2752915
Position Surface form Disambiguated ID Type / Status
Subject Hertzsprung–Russell diagram E61028 entity
Predicate hasVariant P455 FINISHED
Object observational Hertzsprung–Russell diagram E61028 NE FINISHED

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: observational Hertzsprung–Russell diagram | Statement: [Hertzsprung–Russell diagram, hasVariant, observational Hertzsprung–Russell diagram]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: observational Hertzsprung–Russell diagram
Context triple: [Hertzsprung–Russell diagram, hasVariant, observational Hertzsprung–Russell diagram]
  • A. Hertzsprung–Russell diagram chosen
    The Hertzsprung–Russell diagram is a fundamental astronomical chart that plots stars’ luminosities against their temperatures or spectral types, revealing key patterns of stellar evolution and classification.
  • B. Harvard spectral classification of stars
    The Harvard spectral classification of stars is an early 20th-century system that categorizes stars by their spectral characteristics and surface temperatures into types O, B, A, F, G, K, and M, forming the basis of modern stellar classification.
  • C. Cepheid
    Cepheid is a molecular diagnostics company known for its rapid, automated PCR-based testing systems used in clinical and research settings.
  • D. Faber–Jackson relation
    The Faber–Jackson relation is an empirical correlation in astronomy that links the luminosity of an elliptical galaxy to the velocity dispersion of its stars, providing a key tool for estimating galactic distances and masses.
  • E. On the Relations between the Spectra and Other Characteristics of the Stars
    "On the Relations between the Spectra and Other Characteristics of the Stars" is a landmark 1914 paper by Henry Norris Russell that helped establish the relationship between stellar spectral type, luminosity, and other properties, laying groundwork for the Hertzsprung–Russell diagram and modern stellar astrophysics.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ab4b7a85bc819094a349b84beb1f2c completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdb6ed9c08190824d1866e198ef80 completed March 7, 2026, 8:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69afbbdb43d481909bf4e61840979c0a completed March 10, 2026, 6:36 a.m.
Created at: March 6, 2026, 9:56 p.m.