Triple

T20662867
Position Surface form Disambiguated ID Type / Status
Subject Alvan Clark E507800 entity
Predicate notableWork P4 FINISHED
Object 18.5-inch Dearborn refractor objective 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: 18.5-inch Dearborn refractor objective | Statement: [Alvan Clark, notableWork, 18.5-inch Dearborn refractor objective]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 18.5-inch Dearborn refractor objective
Context triple: [Alvan Clark, notableWork, 18.5-inch Dearborn refractor objective]
  • A. 11-inch Clark refractor
    The 11-inch Clark refractor is a historic, high-quality refracting telescope built by Alvan Clark & Sons, notable for its role in pioneering astrophotographic and spectroscopic observations in the late 19th century.
  • B. Lick 36-inch refracting telescope
    The Lick 36-inch refracting telescope is a historic large-aperture refractor renowned for its pioneering late-19th-century astronomical observations and status as one of the world’s largest refracting telescopes.
  • C. Rutherfurd photographic telescope
    The Rutherfurd photographic telescope is a pioneering 19th-century astronomical instrument built for high-precision celestial photography and spectroscopic studies.
  • D. Palomar 18-inch Schmidt Telescope
    The Palomar 18-inch Schmidt Telescope is a small wide-field survey instrument at Palomar Observatory historically used for photographic sky surveys and the discovery of comets and asteroids.
  • E. Dall–Kirkham telescope
    The Dall–Kirkham telescope is a reflecting telescope design that uses an elliptical primary mirror and spherical secondary mirror to provide good on-axis performance with relatively simple, economical optics.
  • 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: 18.5-inch Dearborn refractor objective
Target entity description: The 18.5-inch Dearborn refractor objective is a historically significant large-aperture telescope lens crafted by renowned 19th-century American optician Alvan Clark for the Dearborn Observatory.
  • A. 11-inch Clark refractor
    The 11-inch Clark refractor is a historic, high-quality refracting telescope built by Alvan Clark & Sons, notable for its role in pioneering astrophotographic and spectroscopic observations in the late 19th century.
  • B. Lick 36-inch refracting telescope
    The Lick 36-inch refracting telescope is a historic large-aperture refractor renowned for its pioneering late-19th-century astronomical observations and status as one of the world’s largest refracting telescopes.
  • C. Rutherfurd photographic telescope
    The Rutherfurd photographic telescope is a pioneering 19th-century astronomical instrument built for high-precision celestial photography and spectroscopic studies.
  • D. Palomar 18-inch Schmidt Telescope
    The Palomar 18-inch Schmidt Telescope is a small wide-field survey instrument at Palomar Observatory historically used for photographic sky surveys and the discovery of comets and asteroids.
  • E. Dall–Kirkham telescope
    The Dall–Kirkham telescope is a reflecting telescope design that uses an elliptical primary mirror and spherical secondary mirror to provide good on-axis performance with relatively simple, economical optics.
  • 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_69e0b4c059bc81908ea762cd73ea4424 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6b2f4872481908858eb88ce89dd47 completed April 20, 2026, 11:12 p.m.
Created at: April 16, 2026, 11:44 a.m.