Triple

T3591660
Position Surface form Disambiguated ID Type / Status
Subject NOIRLab E76038 entity
Predicate operates P24 FINISHED
Object Cerro Tololo Inter-American Observatory E12020 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: Cerro Tololo Inter-American Observatory | Statement: [NOIRLab, operates, Cerro Tololo Inter-American Observatory]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cerro Tololo Inter-American Observatory
Context triple: [NOIRLab, operates, Cerro Tololo Inter-American Observatory]
  • A. Cerro Tololo Inter-American Observatory chosen
    Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
  • B. W. M. Keck Observatory
    W. M. Keck Observatory is a world-leading astronomical research facility in Hawaii that operates two of the largest optical and infrared telescopes on Earth.
  • C. National Optical Astronomy Observatory
    The National Optical Astronomy Observatory was a U.S. national research center that operated major ground-based optical and infrared telescopes and facilities for the astronomical community.
  • D. Palomar Observatory
    Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of celestial objects.
  • E. Gemini North Observatory
    Gemini North Observatory is a premier 8.1-meter optical/infrared telescope facility located on Maunakea in Hawaii, forming one half of the international Gemini Observatory.
  • 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_69ad85d8042081908af94a04c410dec0 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc15a546481909c72dac80d65e1fb completed March 8, 2026, 6:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4030bc5f081908d56edc4ff550d77 completed March 13, 2026, 12:28 p.m.
Created at: March 8, 2026, 3:22 p.m.