Triple

T11857632
Position Surface form Disambiguated ID Type / Status
Subject Marie Byrd Land E282078 entity
Predicate exploredBy P1562 FINISHED
Object United States Antarctic expeditions E362684 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: United States Antarctic expeditions | Statement: [Marie Byrd Land, exploredBy, United States Antarctic expeditions]

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: United States Antarctic expeditions
Context triple: [Marie Byrd Land, exploredBy, United States Antarctic expeditions]
  • A. United States Antarctic Service Expedition chosen
    The United States Antarctic Service Expedition was a U.S. government-sponsored Antarctic exploration program (1939–1941) led by Rear Admiral Richard E. Byrd that conducted extensive geographic and scientific surveys on the continent.
  • B. Russian Antarctic Expedition
    The Russian Antarctic Expedition is Russia’s national polar research program responsible for conducting scientific exploration and maintaining research stations across Antarctica.
  • C. French Antarctic Expedition
    The French Antarctic Expedition was a series of early 20th-century French-led scientific and exploratory voyages to Antarctica, notably under explorer Jean-Baptiste Charcot, which contributed significantly to the mapping and study of the continent.
  • D. Byrd Antarctic Expedition I
    Byrd Antarctic Expedition I was a pioneering late-1920s American scientific and exploratory mission to Antarctica led by aviator and polar explorer Richard E. Byrd, notable for its extensive use of aircraft and radio.
  • E. Antarctic exploration
    Antarctic exploration is the study and discovery of the Antarctic region through scientific expeditions, geographic surveys, and attempts to reach and understand the South Pole and its surrounding environment.
  • 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_69d6ab287ba48190a5178779fd19b9b7 elicitation completed
NER batch_69d8a699089c8190b7a298baf13dcded ner completed
NED1 batch_69f2816404ac81909129347607fb5fd3 ned_source_triple completed
Created at: April 8, 2026, 9:43 p.m.