Triple

T12111466
Position Surface form Disambiguated ID Type / Status
Subject Warri Refining and Petrochemical Company E288440 entity
Predicate ownedBy P347 FINISHED
Object Nigerian National Petroleum Company Limited E288441 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Nigerian National Petroleum Company Limited | Statement: [Warri Refining and Petrochemical Company, ownedBy, Nigerian National Petroleum Company Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nigerian National Petroleum Company Limited
Context triple: [Warri Refining and Petrochemical Company, ownedBy, Nigerian National Petroleum Company Limited]
  • A. Nigerian National Petroleum Company Limited chosen
    Nigerian National Petroleum Company Limited is Nigeria’s state-owned oil corporation responsible for petroleum exploration, production, refining, and marketing within the country and abroad.
  • B. Shell Nigeria
    Shell Nigeria is the Nigerian subsidiary of the global energy company Shell, involved primarily in oil and gas exploration, production, and related activities within Nigeria.
  • C. Kaduna Refining and Petrochemical Company
    Kaduna Refining and Petrochemical Company is a major Nigerian oil refinery and petrochemical complex located in Kaduna, involved in processing crude oil into refined petroleum products and petrochemicals.
  • D. Mobil Oil Nigeria
    Mobil Oil Nigeria is a major petroleum marketing and distribution company operating in Nigeria as part of the global ExxonMobil network.
  • E. Port Harcourt Refining Company
    Port Harcourt Refining Company is a major Nigerian state-owned oil refinery complex located in Port Harcourt, responsible for processing crude oil into petroleum products for domestic use and export.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6ab4a5c448190a110d1273314b21a completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9156709288190b4684cb19037dc38 completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f63456d8dc8190b788957a37b985ca completed May 2, 2026, 5:28 p.m.
Created at: April 8, 2026, 9:49 p.m.