Triple

T21479449
Position Surface form Disambiguated ID Type / Status
Subject Rio Tinto E529949 entity
Predicate owns P347 FINISHED
Object Oyu Tolgoi mine
Oyu Tolgoi mine is a major copper and gold mining complex in Mongolia and one of the world’s largest known copper-gold deposits.
 E1486036 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: Oyu Tolgoi mine | Statement: [Rio Tinto, owns, Oyu Tolgoi mine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Oyu Tolgoi mine
Context triple: [Rio Tinto, owns, Oyu Tolgoi mine]
  • A. Muruntau gold mine
    The Muruntau gold mine is one of the world’s largest open-pit gold mines, located in Uzbekistan’s Kyzylkum Desert and known for its vast reserves and high production.
  • B. Grasberg mine
    Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
  • C. Bayan Obo rare earth mine
    The Bayan Obo rare earth mine is the world’s largest known rare earth element deposit and a major source of iron and niobium, located in Inner Mongolia, China.
  • D. Kiruna Mine
    Kiruna Mine is one of the world’s largest and most modern underground iron ore mines, located in northern Sweden above the Arctic Circle.
  • E. Saraji Mine
    Saraji Mine is a large open-cut coal mine in Queensland, Australia, known as one of the major coking coal producers in the Bowen Basin.
  • 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: Oyu Tolgoi mine
Triple: [Rio Tinto, owns, Oyu Tolgoi mine]
Generated description
Oyu Tolgoi mine is a major copper and gold mining complex in Mongolia and one of the world’s largest known copper-gold deposits.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Oyu Tolgoi mine
Target entity description: Oyu Tolgoi mine is a major copper and gold mining complex in Mongolia and one of the world’s largest known copper-gold deposits.
  • A. Muruntau gold mine
    The Muruntau gold mine is one of the world’s largest open-pit gold mines, located in Uzbekistan’s Kyzylkum Desert and known for its vast reserves and high production.
  • B. Grasberg mine
    Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
  • C. Bayan Obo rare earth mine
    The Bayan Obo rare earth mine is the world’s largest known rare earth element deposit and a major source of iron and niobium, located in Inner Mongolia, China.
  • D. Kiruna Mine
    Kiruna Mine is one of the world’s largest and most modern underground iron ore mines, located in northern Sweden above the Arctic Circle.
  • E. Saraji Mine
    Saraji Mine is a large open-cut coal mine in Queensland, Australia, known as one of the major coking coal producers in the Bowen Basin.
  • 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.