Triple
T3203750
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Port Harcourt Refining Company |
E67110
|
entity |
| Predicate | operatedBy |
P86
|
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: [Port Harcourt Refining Company, operatedBy, 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: [Port Harcourt Refining Company, operatedBy, 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.
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.
-
C.
Mobil Oil Nigeria
Mobil Oil Nigeria is a major petroleum marketing and distribution company operating in Nigeria as part of the global ExxonMobil network.
-
D.
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.
-
E.
Warri Refining and Petrochemical Company
Warri Refining and Petrochemical Company is a major Nigerian oil refinery and petrochemical complex located in Warri, Delta State, involved in processing crude oil and producing various petroleum products.
- 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_69ad8589bd988190afa7ed2bdffb7b33 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adaa54124c8190a22089ce2eaedab5 |
completed | March 8, 2026, 4:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b27707577481909be867ffdb63d3b8 |
completed | March 12, 2026, 8:19 a.m. |
Created at: March 8, 2026, 3:07 p.m.