Triple

T20325375
Position Surface form Disambiguated ID Type / Status
Subject Katanga Province E492318 entity
Predicate containsMiningArea P8843 FINISHED
Object Copperbelt 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: Copperbelt | Statement: [Katanga Province, containsMiningArea, Copperbelt]

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: Copperbelt
Context triple: [Katanga Province, containsMiningArea, Copperbelt]
  • A. Katanga Copperbelt
    Katanga Copperbelt is a major copper- and cobalt-rich mining region in the southeastern Democratic Republic of the Congo, known for its extensive mineral deposits and large-scale industrial extraction.
  • B. Chongwe
    Chongwe is a town in Zambia’s Lusaka Province that serves as a local commercial and administrative center east of the capital, Lusaka.
  • C. Tembisa
    Tembisa is a large township in Gauteng, South Africa, situated on the East Rand and known as a densely populated residential area within the City of Ekurhuleni.
  • D. Luba-Katanga
    Luba-Katanga is a major Bantu ethnic group and language community centered in the Katanga region of the Democratic Republic of the Congo, historically associated with the Luba Kingdom and rich cultural and political traditions.
  • E. Northwestern Zambia chosen
    Northwestern Zambia is a sparsely populated, rural region of Zambia known for its upland plateaus, extensive forests, and role as a headwaters area for major southern African rivers.
  • 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_69e0b4a0134081909113563e1c3ba68a elicitation completed
NER batch_69e6778f20288190b1862d6be61bfb67 ner completed
Created at: April 16, 2026, 11:21 a.m.