Triple

T537864
Position Surface form Disambiguated ID Type / Status
Subject Port Harcourt E12365 entity
Predicate hasRefinery P16607 FINISHED
Object 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.
E67110 NE FINISHED

How this triple was built (5 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: Port Harcourt Refining Company | Statement: [Port Harcourt, hasRefinery, Port Harcourt Refining Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Port Harcourt Refining Company
Context triple: [Port Harcourt, hasRefinery, Port Harcourt Refining Company]
  • A. Mobil Oil Nigeria
    Mobil Oil Nigeria is a major petroleum marketing and distribution company operating in Nigeria as part of the global ExxonMobil network.
  • B. Niger Delta Development Commission
    The Niger Delta Development Commission is a Nigerian federal agency tasked with promoting sustainable development, infrastructure, and environmental remediation in the oil-rich Niger Delta region.
  • C. Petroleum Group
    The Petroleum Group is a specialist division of the Geological Society of London focused on the study and professional exchange of knowledge related to petroleum geoscience and hydrocarbon exploration.
  • D. Ganoub El Wadi Petroleum Holding Company
    Ganoub El Wadi Petroleum Holding Company is an Egyptian state-owned oil and gas company responsible for exploration, production, and development activities primarily in the southern regions of Egypt.
  • E. Egyptian General Petroleum Corporation
    The Egyptian General Petroleum Corporation is Egypt’s state-owned oil and gas company responsible for managing the country’s hydrocarbon resources, exploration, production, and related downstream activities.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Port Harcourt Refining Company
Triple: [Port Harcourt, hasRefinery, Port Harcourt Refining Company]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Port Harcourt Refining Company
Target entity description: 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.
  • A. Mobil Oil Nigeria
    Mobil Oil Nigeria is a major petroleum marketing and distribution company operating in Nigeria as part of the global ExxonMobil network.
  • B. Niger Delta Development Commission
    The Niger Delta Development Commission is a Nigerian federal agency tasked with promoting sustainable development, infrastructure, and environmental remediation in the oil-rich Niger Delta region.
  • C. Petroleum Group
    The Petroleum Group is a specialist division of the Geological Society of London focused on the study and professional exchange of knowledge related to petroleum geoscience and hydrocarbon exploration.
  • D. Ganoub El Wadi Petroleum Holding Company
    Ganoub El Wadi Petroleum Holding Company is an Egyptian state-owned oil and gas company responsible for exploration, production, and development activities primarily in the southern regions of Egypt.
  • E. Egyptian General Petroleum Corporation
    The Egyptian General Petroleum Corporation is Egypt’s state-owned oil and gas company responsible for managing the country’s hydrocarbon resources, exploration, production, and related downstream activities.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRefinery
Context triple: [Port Harcourt, hasRefinery, Port Harcourt Refining Company]
  • A. hasRefuellingCapabilityFor
    Indicates that one entity is capable of providing or performing refuelling operations for another entity.
  • B. hasHarbor
    Indicates that a place possesses or contains a harbor for docking or sheltering vessels.
  • C. hasMajorProductionSystem
    Indicates that an entity primarily operates, utilizes, or is characterized by a particular major production system.
  • D. isIndustrialCenter
    Indicates that a place functions as a major hub of industrial activity, production, or manufacturing within a region.
  • E. hasPower
    Indicates that one entity possesses authority, control, or influence over another entity or over a particular domain or resource.
  • F. None of above. chosen

Provenance (7 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_69a4933208e88190891f5debab1b776d completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4985e51908190a34aa82ea9dbee1e completed March 1, 2026, 7:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4c03256a08190955f8e8d5cda4b08 completed March 1, 2026, 10:39 p.m.
NEDg Description generation batch_69a4c0d028c48190885a764277f9d28b completed March 1, 2026, 10:42 p.m.
NED2 Entity disambiguation (via description) batch_69a4c196fa948190b14aacba1276d353 completed March 1, 2026, 10:45 p.m.
PD Predicate disambiguation batch_69a494b51ff08190a39f4168fd9a7ddf completed March 1, 2026, 7:34 p.m.
PDg Predicate description generation batch_69a49857e1148190aa782b82675cf0b5 completed March 1, 2026, 7:49 p.m.
Created at: March 1, 2026, 7:32 p.m.