Triple

T15899078
Position Surface form Disambiguated ID Type / Status
Subject Otto Nordenskjöld E385536 entity
Predicate ledExpedition P1561 FINISHED
Object Swedish Antarctic Expedition (1901–1903) E162811 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: Swedish Antarctic Expedition (1901–1903) | Statement: [Otto Nordenskjöld, ledExpedition, Swedish Antarctic Expedition (1901–1903)]

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: Swedish Antarctic Expedition (1901–1903)
Context triple: [Otto Nordenskjöld, ledExpedition, Swedish Antarctic Expedition (1901–1903)]
  • A. Swedish Antarctic Expedition chosen
    The Swedish Antarctic Expedition was an early 20th-century scientific and exploratory mission led by Otto Nordenskjöld that conducted pioneering research and mapping in the Antarctic region.
  • B. Swedish Vega Expedition
    The Swedish Vega Expedition was a 19th-century Arctic exploration mission led by Adolf Erik Nordenskiöld that achieved the first complete navigation of the Northeast Passage.
  • C. Norwegian Antarctic Expedition 1910–1912
    The Norwegian Antarctic Expedition 1910–1912 was the polar journey during which Roald Amundsen’s team became the first to reach the geographic South Pole.
  • D. Otto Sverdrup expedition
    The Otto Sverdrup expedition was a Norwegian Arctic exploration voyage (1898–1902) led by Otto Sverdrup that charted large areas of the Canadian High Arctic and claimed several islands for Norway.
  • E. Amundsen Gjøa expedition
    The Amundsen Gjøa expedition was Roald Amundsen’s 1903–1906 voyage that achieved the first successful navigation of the Northwest Passage in the small vessel Gjøa.
  • 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_69d86da5b800819083a31be937d738b0 elicitation completed
NER batch_69e1563bd0688190b6f7a695be0a4625 ner completed
NED1 batch_69ffb5a1b1548190a8579cebf9e71121 ned_source_triple completed
Created at: April 10, 2026, 4:51 a.m.