Triple

T16357392
Position Surface form Disambiguated ID Type / Status
Subject Gemini North and South twin 8-meter telescopes E397217 entity
Predicate hasPart P35 FINISHED
Object Gemini North telescope E87223 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Gemini North telescope | Statement: [Gemini North and South twin 8-meter telescopes, hasPart, Gemini North telescope]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gemini North telescope
Context triple: [Gemini North and South twin 8-meter telescopes, hasPart, Gemini North telescope]
  • A. Gemini North Observatory chosen
    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.
  • B. Gemini South Observatory
    Gemini South Observatory is a major 8.1-meter optical and infrared telescope facility located on Cerro Pachón in Chile, forming the southern half of the international Gemini Observatory.
  • C. Gemini Observatory
    Gemini Observatory is an international astronomical research facility operating twin 8.1-meter telescopes in Hawaii and Chile to provide comprehensive coverage of both the northern and southern skies.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d87f2778dc8190aa95c7572db127e6 elicitation completed
NER batch_69e2fad0b1948190a66ec7d2a310cc83 ner completed
NED1 batch_6a00355df6188190929be8584b5ac87e ned_source_triple completed
Created at: April 10, 2026, 5:07 a.m.