Triple

T7010622
Position Surface form Disambiguated ID Type / Status
Subject Nansen-Gakkel Ridge E162569 entity
Predicate geographicRegion P285 FINISHED
Object Central Arctic Ocean E889 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: Central Arctic Ocean | Statement: [Nansen-Gakkel Ridge, geographicRegion, Central Arctic Ocean]

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: Central Arctic Ocean
Context triple: [Nansen-Gakkel Ridge, geographicRegion, Central Arctic Ocean]
  • A. Arctic Ocean chosen
    The Arctic Ocean is the smallest and shallowest of Earth's major oceans, located around the North Pole and largely covered by sea ice.
  • B. Nansen Basin
    Nansen Basin is a deep oceanic basin in the central Arctic Ocean, notable for its great depths and role in Arctic water circulation and sediment deposition.
  • C. Barents Sea
    The Barents Sea is a marginal sea of the Arctic Ocean off the northern coasts of Norway and Russia, known for its rich fisheries, petroleum resources, and strategic geopolitical importance.
  • D. Northern Pacific Ocean
    The Northern Pacific Ocean is the northernmost part of the Pacific Ocean, encompassing vast subarctic and temperate waters that include marginal seas such as the Bering Sea and support rich marine ecosystems and major shipping routes.
  • E. Greenland Basin
    The Greenland Basin is a deep oceanic depression in the Arctic Ocean, lying beneath the Greenland Sea and playing a key role in cold deep-water formation and circulation.
  • 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_69c6885928148190ae31909fbb5e9849 elicitation completed
NER batch_69c6dc3917c481909a288c3e56630c48 ner completed
NED1 batch_69c775612fe88190822f297f2bec6cd1 ned_source_triple completed
Created at: March 27, 2026, 2:34 p.m.