Triple

T12449599
Position Surface form Disambiguated ID Type / Status
Subject National Astronomical Observatories of the Chinese Academy of Sciences E297493 entity
Predicate coordinatesMajorObservationalFacilities P105077 FINISHED
Object Five-hundred-meter Aperture Spherical Telescope E267992 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: Five-hundred-meter Aperture Spherical Telescope | Statement: [National Astronomical Observatories of the Chinese Academy of Sciences, coordinatesMajorObservationalFacilities, Five-hundred-meter Aperture Spherical Telescope]

Disambiguation candidates (2 decisions)

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: Five-hundred-meter Aperture Spherical Telescope
Context triple: [National Astronomical Observatories of the Chinese Academy of Sciences, coordinatesMajorObservationalFacilities, Five-hundred-meter Aperture Spherical Telescope]
  • A. Five-hundred-meter Aperture Spherical Telescope chosen
    The Five-hundred-meter Aperture Spherical Telescope (FAST) is a massive radio telescope in China and currently the world’s largest single-dish radio observatory, used for studying pulsars, interstellar matter, and the search for extraterrestrial signals.
  • B. 43 Meter Telescope
    The 43 Meter Telescope is a mid-sized radio telescope at the Green Bank Observatory in West Virginia used for astronomical and atmospheric research.
  • C. 20 Meter Telescope
    The 20 Meter Telescope is a mid-sized radio telescope at the Green Bank Observatory used for astronomical research and education in radio astronomy.
  • D. 140-foot Green Bank Telescope
    The 140-foot Green Bank Telescope was a large, early-generation radio telescope at the Green Bank Observatory in West Virginia that played a significant role in radio astronomy research before being superseded by the Robert C. Byrd Green Bank Telescope.
  • E. Thirty Meter Telescope
    The Thirty Meter Telescope is a planned next-generation ground-based optical and infrared observatory with a 30-meter primary mirror, designed to provide extremely high-resolution views of the universe from a mountaintop site.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: coordinatesMajorObservationalFacilities
Context triple: [National Astronomical Observatories of the Chinese Academy of Sciences, coordinatesMajorObservationalFacilities, Five-hundred-meter Aperture Spherical Telescope]
  • A. observatoryOrganization
    Indicates that an organization operates, manages, or is institutionally responsible for an observatory.
  • B. observatoryType
    Indicates the specific kind or category of observatory associated with an entity.
  • C. observatoryName
    Indicates the name assigned to an observatory.
  • D. observatoryFor
    Indicates that something serves as an observatory specifically dedicated to observing, studying, or monitoring a particular target or subject.
  • E. observatoryCode
    Indicates a code that uniquely identifies the observatory associated with an observation or measurement.
  • F. None of above. chosen

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ada166c48190b902972cd2408fa3 elicitation completed
NER batch_69d95151e7348190a1d4953a8b416a13 ner completed
NED1 batch_69f63f1501448190b0a95d7cd249ca9d ned_source_triple completed
PD batch_69d94d3c27a08190a0237200203e476d pd completed
PDg batch_69d9511989ac8190ade98f52f66f7cd4 pdg completed
Created at: April 8, 2026, 9:56 p.m.