Triple

T16357499
Position Surface form Disambiguated ID Type / Status
Subject NIRI E397219 entity
Predicate telescopeAperture P2517 FINISHED
Object 8.1-metre 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: 8.1-metre Gemini North Telescope | Statement: [NIRI, telescopeAperture, 8.1-metre 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: 8.1-metre Gemini North Telescope
Context triple: [NIRI, telescopeAperture, 8.1-metre 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. 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.
  • D. Kitt Peak National Observatory 1.8-meter telescope
    The Kitt Peak National Observatory 1.8-meter telescope is a ground-based optical telescope in Arizona widely used for astronomical surveys and research, including near-Earth object detection.
  • 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)

Stage Batch ID Job type Status
creating batch_69d87f2778dc8190aa95c7572db127e6 elicitation completed
NER batch_69e2fad0b1948190a66ec7d2a310cc83 ner completed
NED1 batch_6a006798cf488190a68cf7e57902924e ned_source_triple completed
Created at: April 10, 2026, 5:07 a.m.