Triple

T7010595
Position Surface form Disambiguated ID Type / Status
Subject Nansen-Gakkel Ridge E162569 entity
Predicate namedAfter P63 FINISHED
Object Theodor Gakkel
Theodor Gakkel was a Russian geologist and oceanographer known for his pioneering research on the Arctic Ocean’s seafloor, for which the Nansen-Gakkel Ridge is partly named.
 E148076 NE FINISHED

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: Theodor Gakkel
Context triple: [Nansen-Gakkel Ridge, namedAfter, Theodor Gakkel]
  • A. Otto Sverdrup
    Otto Sverdrup was a Norwegian Arctic explorer and sea captain best known for leading major polar expeditions and commanding the ship Fram.
  • B. Yakov Yakovlevich Gakkel
    Yakov Yakovlevich Gakkel was a Russian/Soviet oceanographer and Arctic explorer renowned for his pioneering research on the Arctic Ocean’s seafloor and tectonics.
  • C. Gunnbjørn Fjeldt
    Gunnbjørn Fjeldt is the highest mountain in Greenland and the entire Arctic, located in the Watkins Range of eastern Greenland.
  • D. Georg Sverdrup
    Georg Sverdrup was a Norwegian politician and constitutional scholar who played a key role in shaping Norway’s 1814 constitution and advocating for national self-determination.
  • E. Heiskell
    Heiskell is a surname most notably associated with Andrew Heiskell, an influential American magazine publisher and philanthropist.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Theodor Gakkel
Target entity description: Theodor Gakkel was a Russian geologist and oceanographer known for his pioneering research on the Arctic Ocean’s seafloor, for which the Nansen-Gakkel Ridge is partly named.
  • A. Otto Sverdrup
    Otto Sverdrup was a Norwegian Arctic explorer and sea captain best known for leading major polar expeditions and commanding the ship Fram.
  • B. Yakov Yakovlevich Gakkel chosen
    Yakov Yakovlevich Gakkel was a Russian/Soviet oceanographer and Arctic explorer renowned for his pioneering research on the Arctic Ocean’s seafloor and tectonics.
  • C. Gunnbjørn Fjeldt
    Gunnbjørn Fjeldt is the highest mountain in Greenland and the entire Arctic, located in the Watkins Range of eastern Greenland.
  • D. Georg Sverdrup
    Georg Sverdrup was a Norwegian politician and constitutional scholar who played a key role in shaping Norway’s 1814 constitution and advocating for national self-determination.
  • E. Heiskell
    Heiskell is a surname most notably associated with Andrew Heiskell, an influential American magazine publisher and philanthropist.
  • F. None of above.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c6885928148190ae31909fbb5e9849 elicitation completed
NER batch_69c6dc3917c481909a288c3e56630c48 ner completed
NED1 batch_69c76a4bd424819097e1543ec59979ff ned_source_triple completed
NED2 batch_69c76c01679c8190b61f642c23c25ed5 ned_description completed
NEDg batch_69c76b1ef6f481908f4c4f610328f633 nedg completed
Created at: March 27, 2026, 2:34 p.m.