Triple

T21883871
Position Surface form Disambiguated ID Type / Status
Subject Harvard Plate Stacks E540355 entity
Predicate hasPart P35 FINISHED
Object Harvard College Observatory photographic plate collection — 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: Harvard College Observatory photographic plate collection | Statement: [Harvard Plate Stacks, hasPart, Harvard College Observatory photographic plate collection]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harvard College Observatory photographic plate collection
Context triple: [Harvard Plate Stacks, hasPart, Harvard College Observatory photographic plate collection]
  • A. Harvard College Observatory Annals
    Harvard College Observatory Annals is a historic series of astronomical publications documenting the observations, research, and discoveries made at the Harvard College Observatory.
  • B. Harvard College Observatory
    Harvard College Observatory is a historic astronomical research institution affiliated with Harvard University, renowned for its pioneering work in observational astronomy and astrophysics.
  • C. Harvard Plate Stacks chosen
    Harvard Plate Stacks is a historic archive of astronomical photographic plates at the Harvard College Observatory that has been central to long-term studies of variable stars and other celestial phenomena.
  • D. Harvard Observatory photographic sky survey
    The Harvard Observatory photographic sky survey was an early, pioneering program that systematically photographed the night sky, creating one of the first large-scale, long-term archives of astronomical images used for studying variable stars and other celestial phenomena.
  • E. Palomar Observatory Sky Survey
    The Palomar Observatory Sky Survey is a landmark mid-20th-century photographic mapping of the night sky that produced some of the most widely used astronomical reference images for research and discovery.
  • 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_69e0c479a98081908ce333853fdd4348 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f118e9d3508190aadcfcdac0376387 completed April 28, 2026, 8:30 p.m.
Created at: April 16, 2026, 7:05 p.m.