Triple

T4637496
Position Surface form Disambiguated ID Type / Status
Subject Schmidt–Cassegrain telescope design E101567 entity
Predicate relatedDesign P23439 FINISHED
Object Maksutov–Cassegrain telescope E104328 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: Maksutov–Cassegrain telescope | Statement: [Schmidt–Cassegrain telescope design, relatedDesign, Maksutov–Cassegrain telescope]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maksutov–Cassegrain telescope
Context triple: [Schmidt–Cassegrain telescope design, relatedDesign, Maksutov–Cassegrain telescope]
  • A. Ritchey–Chrétien reflector
    A Ritchey–Chrétien reflector is a specialized type of reflecting telescope that uses hyperbolic primary and secondary mirrors to produce a wide, coma-free field of view ideal for professional astronomical imaging.
  • B. Schmidt telescope
    A Schmidt telescope is a wide-field reflecting telescope design that uses a spherical primary mirror and a correcting lens to capture sharp images over a large area of the sky.
  • C. Schmidt–Cassegrain telescope design
    The Schmidt–Cassegrain telescope design is a compact catadioptric optical system that combines a spherical primary mirror with a Schmidt corrector plate to provide long focal lengths in a short, portable tube widely used in amateur and professional astronomy.
  • D. Maksutov–Cassegrain telescope design chosen
    The Maksutov–Cassegrain telescope design is a compact catadioptric optical system that uses a spherical primary mirror and a meniscus corrector lens to provide long focal lengths with well-corrected, high-contrast images in a relatively short tube.
  • E. Curtis Schmidt Telescope
    The Curtis Schmidt Telescope is a wide-field Schmidt telescope known for its photographic sky surveys and operation at the Cerro Tololo Inter-American Observatory in Chile.
  • 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_69bd43d2f1c081908cd4b7ec48ecc73d completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd6234e8108190b985270b9ddd1f3a completed March 20, 2026, 3:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69be103799108190a905c28cdf302aba completed March 21, 2026, 3:27 a.m.
Created at: March 20, 2026, 1:13 p.m.