Triple

T5721026
Position Surface form Disambiguated ID Type / Status
Subject Harvard College Observatory E126144 entity
Predicate notableWork P4 FINISHED
Object Harvard spectral classification system E134309 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: Harvard spectral classification system | Statement: [Harvard College Observatory, notableWork, Harvard spectral classification system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harvard spectral classification system
Context triple: [Harvard College Observatory, notableWork, Harvard spectral classification system]
  • A. Harvard spectral classification of stars chosen
    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.
  • B. 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.
  • C. Henry Draper Catalogue
    The Henry Draper Catalogue is a pioneering astronomical star catalog that provides spectral classifications and designations for hundreds of thousands of stars, forming a foundational resource in stellar astronomy.
  • D. Hubble sequence of galaxy classification
    The Hubble sequence of galaxy classification is a morphological system that organizes galaxies into categories such as ellipticals, spirals, and irregulars based on their visual appearance.
  • E. Caldwell catalogue
    The Caldwell catalogue is an astronomical list of 109 bright star clusters, nebulae, and galaxies compiled by Patrick Moore as a complement to the Messier catalogue, intended for observation by amateur astronomers.
  • 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_69c0082e3d548190950169847b43043b completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c024e328e08190a67e845b296e34e9 completed March 22, 2026, 5:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69c05a80aefc8190b6ea35ab405ea502 completed March 22, 2026, 9:09 p.m.
Created at: March 22, 2026, 3:46 p.m.