Triple

T21479453
Position Surface form Disambiguated ID Type / Status
Subject Rio Tinto E529949 entity
Predicate subsidiary P258 FINISHED
Object Rio Tinto Aluminium
Rio Tinto Aluminium is the aluminium-producing division of the global mining group Rio Tinto, involved in the extraction, refining, and production of aluminium products.
 E1486038 NE FINISHED

How this triple was built (4 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: Rio Tinto Aluminium | Statement: [Rio Tinto, subsidiary, Rio Tinto Aluminium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rio Tinto Aluminium
Context triple: [Rio Tinto, subsidiary, Rio Tinto Aluminium]
  • A. Kaiser Aluminum
    Kaiser Aluminum is an American industrial company specializing in the production of fabricated aluminum products for aerospace, automotive, and other high-performance applications.
  • B. Alcoa
    Alcoa is a major American industrial corporation known primarily for its global production of aluminum and related engineered products.
  • C. Alcoa
    Alcoa is a small industrial city in Blount County, Tennessee, historically centered around aluminum production and part of the Knoxville metropolitan area.
  • D. National Aluminium Company Limited
    National Aluminium Company Limited is a major Indian public sector enterprise engaged in bauxite mining, alumina refining, and aluminium smelting and fabrication.
  • E. Mitsubishi Aluminum
    Mitsubishi Aluminum is a Mitsubishi Group company specializing in the production and processing of aluminum materials and related products.
  • 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: Rio Tinto Aluminium
Triple: [Rio Tinto, subsidiary, Rio Tinto Aluminium]
Generated description
Rio Tinto Aluminium is the aluminium-producing division of the global mining group Rio Tinto, involved in the extraction, refining, and production of aluminium products.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rio Tinto Aluminium
Target entity description: Rio Tinto Aluminium is the aluminium-producing division of the global mining group Rio Tinto, involved in the extraction, refining, and production of aluminium products.
  • A. Kaiser Aluminum
    Kaiser Aluminum is an American industrial company specializing in the production of fabricated aluminum products for aerospace, automotive, and other high-performance applications.
  • B. Alcoa
    Alcoa is a major American industrial corporation known primarily for its global production of aluminum and related engineered products.
  • C. Alcoa
    Alcoa is a small industrial city in Blount County, Tennessee, historically centered around aluminum production and part of the Knoxville metropolitan area.
  • D. National Aluminium Company Limited
    National Aluminium Company Limited is a major Indian public sector enterprise engaged in bauxite mining, alumina refining, and aluminium smelting and fabrication.
  • E. Mitsubishi Aluminum
    Mitsubishi Aluminum is a Mitsubishi Group company specializing in the production and processing of aluminum materials and related products.
  • F. None of above. chosen

Provenance (5 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_69e0c45acc3881908e38d3f28964152b completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9ea1a37a88190845810cbcacbad65 completed April 23, 2026, 9:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09cfff6dec8190ab480491c4a3f641 completed May 17, 2026, 2:26 p.m.
NEDg Description generation batch_6a09d0cd3068819094392cc4b7c6d061 completed May 17, 2026, 2:29 p.m.
NED2 Entity disambiguation (via description) batch_6a09d1b4f4748190b5d4edfc298272e4 completed May 17, 2026, 2:33 p.m.
Created at: April 16, 2026, 6:20 p.m.