Triple

T20129068
Position Surface form Disambiguated ID Type / Status
Subject Sloan Digital Sky Survey E490840 entity
Predicate telescopeUsed P8699 FINISHED
Object 2.5-meter Sloan Foundation Telescope — 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: 2.5-meter Sloan Foundation Telescope | Statement: [Sloan Digital Sky Survey, telescopeUsed, 2.5-meter Sloan Foundation Telescope]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 2.5-meter Sloan Foundation Telescope
Context triple: [Sloan Digital Sky Survey, telescopeUsed, 2.5-meter Sloan Foundation Telescope]
  • A. 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.
  • B. Víctor M. Blanco 4-meter Telescope
    The Víctor M. Blanco 4-meter Telescope is a prominent optical telescope in Chile widely used for deep-sky surveys and cosmological research.
  • C. SMARTS 1.3-meter Telescope
    The SMARTS 1.3-meter Telescope is a small optical telescope used for a wide range of astronomical observations as part of the SMARTS consortium’s facilities in Chile.
  • D. Nicholas U. Mayall Telescope
    The Nicholas U. Mayall Telescope is a 4-meter-class optical telescope at Kitt Peak National Observatory in Arizona, widely used for large-scale astronomical surveys and cosmological research.
  • E. SMARTS 1.5-meter Telescope
    The SMARTS 1.5-meter Telescope is a medium-sized optical telescope used for a wide range of astronomical research as part of the SMARTS consortium’s observing facilities.
  • 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: 2.5-meter Sloan Foundation Telescope
Target entity description: The 2.5-meter Sloan Foundation Telescope is a dedicated wide-field optical telescope at Apache Point Observatory, best known for conducting the Sloan Digital Sky Survey that has mapped large-scale structure in the universe.
  • A. 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.
  • B. Víctor M. Blanco 4-meter Telescope
    The Víctor M. Blanco 4-meter Telescope is a prominent optical telescope in Chile widely used for deep-sky surveys and cosmological research.
  • C. SMARTS 1.3-meter Telescope
    The SMARTS 1.3-meter Telescope is a small optical telescope used for a wide range of astronomical observations as part of the SMARTS consortium’s facilities in Chile.
  • D. Nicholas U. Mayall Telescope
    The Nicholas U. Mayall Telescope is a 4-meter-class optical telescope at Kitt Peak National Observatory in Arizona, widely used for large-scale astronomical surveys and cosmological research.
  • E. SMARTS 1.5-meter Telescope
    The SMARTS 1.5-meter Telescope is a medium-sized optical telescope used for a wide range of astronomical research as part of the SMARTS consortium’s observing facilities.
  • 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_69da62651a0c8190a3e05e95e056a66b completed April 11, 2026, 3:01 p.m.
NER Named-entity recognition batch_69e66760b8f08190a66fbb2e9e3925a3 completed April 20, 2026, 5:50 p.m.
Created at: April 11, 2026, 11:31 p.m.