Triple

T20560392
Position Surface form Disambiguated ID Type / Status
Subject Ombilin Coal Mining Heritage of Sawahlunto E504828 entity
Predicate contains P35 FINISHED
Object Ombilin coal mine
The Ombilin coal mine is a historic coal mining site in Sawahlunto, West Sumatra, Indonesia, recognized as part of a UNESCO World Heritage complex for its industrial heritage and colonial-era mining infrastructure.
 E1436992 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: Ombilin coal mine | Statement: [Ombilin Coal Mining Heritage of Sawahlunto, contains, Ombilin coal mine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ombilin coal mine
Context triple: [Ombilin Coal Mining Heritage of Sawahlunto, contains, Ombilin coal mine]
  • A. Moura coal mine
    Moura coal mine is a major coal mining operation in Central Queensland, Australia, known for its large-scale production and significant role in the region’s coal industry.
  • B. Ok Tedi Mine
    Ok Tedi Mine is a large open-pit copper and gold mine in Papua New Guinea, widely known for its significant environmental impacts on the surrounding river systems and communities.
  • C. Usibelli Coal Mine
    Usibelli Coal Mine is Alaska’s largest coal mining operation, known for supplying coal to local power plants and for export from its surface mines near Healy.
  • D. Bogdanka coal mine
    Bogdanka coal mine is one of Poland’s largest and most modern hard coal mines, located in eastern Poland and known for its high efficiency and significant role in the country’s energy sector.
  • E. Tongarra Coal
    Tongarra Coal is a coal seam within the geological sequence of the Illawarra region in New South Wales, Australia, known for its role in local coal mining and stratigraphy.
  • 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: Ombilin coal mine
Triple: [Ombilin Coal Mining Heritage of Sawahlunto, contains, Ombilin coal mine]
Generated description
The Ombilin coal mine is a historic coal mining site in Sawahlunto, West Sumatra, Indonesia, recognized as part of a UNESCO World Heritage complex for its industrial heritage and colonial-era mining infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ombilin coal mine
Target entity description: The Ombilin coal mine is a historic coal mining site in Sawahlunto, West Sumatra, Indonesia, recognized as part of a UNESCO World Heritage complex for its industrial heritage and colonial-era mining infrastructure.
  • A. Moura coal mine
    Moura coal mine is a major coal mining operation in Central Queensland, Australia, known for its large-scale production and significant role in the region’s coal industry.
  • B. Ok Tedi Mine
    Ok Tedi Mine is a large open-pit copper and gold mine in Papua New Guinea, widely known for its significant environmental impacts on the surrounding river systems and communities.
  • C. Usibelli Coal Mine
    Usibelli Coal Mine is Alaska’s largest coal mining operation, known for supplying coal to local power plants and for export from its surface mines near Healy.
  • D. Bogdanka coal mine
    Bogdanka coal mine is one of Poland’s largest and most modern hard coal mines, located in eastern Poland and known for its high efficiency and significant role in the country’s energy sector.
  • E. Tongarra Coal
    Tongarra Coal is a coal seam within the geological sequence of the Illawarra region in New South Wales, Australia, known for its role in local coal mining and stratigraphy.
  • 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_69e0b4b6587c8190aee63dc7cff244ea completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a79d93148190b038814af0a4649a completed April 20, 2026, 10:24 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08a57b6df88190a2593cff3b03ff0b completed May 16, 2026, 5:12 p.m.
NEDg Description generation batch_6a08a6439bc08190a2df7f1f7b24fadb completed May 16, 2026, 5:15 p.m.
NED2 Entity disambiguation (via description) batch_6a08a70118dc8190bdf07bcc3342340e completed May 16, 2026, 5:18 p.m.
Created at: April 16, 2026, 11:38 a.m.