Triple

T18362087
Position Surface form Disambiguated ID Type / Status
Subject Príncipe Island E439942 entity
Predicate locatedIn P40 FINISHED
Object Gulf of Guinea — NE NERFINISHED

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: Gulf of Guinea | Statement: [Príncipe Island, locatedIn, Gulf of Guinea]

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: Gulf of Guinea
Context triple: [Príncipe Island, locatedIn, Gulf of Guinea]
  • A. Gulf of Guinea chosen
    The Gulf of Guinea is a large northeastern arm of the Atlantic Ocean off the western coast of Africa, known for its significant shipping routes, rich oil and gas reserves, and strategic economic importance to the region.
  • B. Malian Gulf
    The Malian Gulf is a coastal inlet of the Aegean Sea in central Greece, historically significant in ancient Greek maritime and military activity.
  • C. Bight of Benin
    The Bight of Benin is a broad bay on the West African coast along the Gulf of Guinea, bordered by countries such as Ghana, Togo, Benin, and Nigeria and historically known for its role in the transatlantic slave trade.
  • D. Bight of Biafra
    The Bight of Biafra is a large bay on the easternmost part of the Gulf of Guinea along the West African coast, bordering countries such as Nigeria and Cameroon and historically significant in Atlantic trade routes.
  • E. Mozambique Channel
    The Mozambique Channel is a key waterway in the western Indian Ocean separating Madagascar from mainland Africa, important for international shipping and regional maritime trade.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8b918221c8190a9f7b563d64ac677 elicitation completed
NER batch_69e516dbd4748190a6c5715ef943bd4a ner completed
Created at: April 10, 2026, 10:37 a.m.