Triple

T7525949
Position Surface form Disambiguated ID Type / Status
Subject ESO Directorate of Operations E177891 entity
Predicate affiliation P10 FINISHED
Object European Southern Observatory E75062 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: European Southern Observatory | Statement: [ESO Directorate of Operations, affiliation, European Southern Observatory]

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: European Southern Observatory
Context triple: [ESO Directorate of Operations, affiliation, European Southern Observatory]
  • A. European Southern Observatory chosen
    The European Southern Observatory is an intergovernmental astronomy organization that designs, builds, and operates some of the world’s most advanced ground-based telescopes in the southern hemisphere.
  • B. European Space Astronomy Centre
    The European Space Astronomy Centre is the European Space Agency’s main hub for space science operations, hosting mission control, data processing, and archives for many of ESA’s astronomy and planetary missions.
  • C. ESO La Silla Paranal Observatory
    ESO La Silla Paranal Observatory is a major European Southern Observatory facility in Chile that operates several world-class optical and infrared telescopes, including those at La Silla and Paranal.
  • D. Paranal Observatory
    Paranal Observatory is a major astronomical research facility in Chile’s Atacama Desert that hosts the European Southern Observatory’s Very Large Telescope array.
  • E. ESO 1.52-metre telescope
    The ESO 1.52-metre telescope is a mid-sized optical telescope at the La Silla Observatory in Chile, used for a variety of astronomical observations and instrumental projects.
  • 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_69c69f29bf3081909a146aec7755f185 elicitation completed
NER batch_69c6f7c7ac5c8190bbf9befdff791de0 ner completed
NED1 batch_69c90098f65c8190a3130a8c1aad5e7b ned_source_triple completed
Created at: March 27, 2026, 3:46 p.m.