Triple
T3203766
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Port Harcourt Refining Company |
E67110
|
entity |
| Predicate | hasRefineryUnit |
P16607
|
FINISHED |
| Object | old Port Harcourt refinery |
E67110
|
NE FINISHED |
How this triple was built (3 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: old Port Harcourt refinery | Statement: [Port Harcourt Refining Company, hasRefineryUnit, old Port Harcourt refinery]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: old Port Harcourt refinery Context triple: [Port Harcourt Refining Company, hasRefineryUnit, old Port Harcourt refinery]
-
A.
Port Harcourt Refining Company
chosen
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.
-
B.
Muanda oil terminal
Muanda oil terminal is an offshore petroleum export facility near Muanda in the Democratic Republic of the Congo, used for loading and shipping crude oil.
-
C.
Concordia Vega refinery
Concordia Vega refinery is an industrial oil processing facility located close to the Columbia Aquila refinery.
-
D.
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.
-
E.
Rand Refinery
Rand Refinery is one of the world’s largest gold refineries and smelting complexes, playing a central role in processing and distributing South African gold.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRefineryUnit Context triple: [Port Harcourt Refining Company, hasRefineryUnit, old Port Harcourt refinery]
-
A.
hasRefinery
chosen
Indicates that one entity possesses, operates, or is associated with a refinery facility used for processing raw materials.
-
B.
hasRefuellingCapabilityFor
Indicates that one entity is capable of providing or performing refuelling operations for another entity.
-
C.
hasIndustrialPlant
Indicates that an entity possesses, operates, or is associated with an industrial plant facility.
-
D.
hasMajorProductionSystem
Indicates that an entity primarily operates, utilizes, or is characterized by a particular major production system.
-
E.
hasBurnUnit
Indicates that one entity (typically a medical facility) includes or is equipped with a specialized unit dedicated to the treatment and care of burn patients.
- F. None of above.
Provenance (4 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_69b24bcbb0e88190b4413c4ba3de0eeb |
completed | March 12, 2026, 5:14 a.m. |
| PD | Predicate disambiguation | batch_69ad9e078f7c8190813d9fcb4f5071fb |
completed | March 8, 2026, 4:04 p.m. |
Created at: March 8, 2026, 3:07 p.m.