Triple

T10940929
Position Surface form Disambiguated ID Type / Status
Subject Tethyan Himalaya E258467 entity
Predicate namedAfter P63 FINISHED
Object Tethys Ocean E201671 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: Tethys Ocean | Statement: [Tethyan Himalaya, namedAfter, Tethys 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: Tethys Ocean
Context triple: [Tethyan Himalaya, namedAfter, Tethys Ocean]
  • A. Tethys Ocean chosen
    The Tethys Ocean was a vast ancient ocean that existed between the supercontinents of Gondwana and Laurasia, playing a key role in Mesozoic plate tectonics and marine evolution.
  • B. Iapetus Ocean
    The Iapetus Ocean was an ancient Paleozoic ocean that once separated the paleocontinents of Laurentia, Baltica, and Avalonia before closing during the formation of the supercontinent Pangaea.
  • C. Panthalassa Ocean
    The Panthalassa Ocean was the vast global ocean that existed during the time of the supercontinent Pangaea, covering most of Earth's surface.
  • D. Rheic Ocean
    The Rheic Ocean was a Paleozoic-age ocean that once separated the ancient continents of Gondwana from Laurussia before closing during the assembly of the supercontinent Pangaea.
  • E. Paleo-Tethys Ocean
    The Paleo-Tethys Ocean was an ancient ocean that existed between the supercontinents Gondwana and Laurasia before the formation of the later Tethys Ocean.
  • 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_69d6aa8769b4819082bfe5e61b9017f0 elicitation completed
NER batch_69d770c2821c8190a7b08276c4bfbf33 ner completed
NED1 batch_69e2d722972c8190b14637dc9e52ce11 ned_source_triple completed
Created at: April 8, 2026, 9:23 p.m.