Triple

T7718591
Position Surface form Disambiguated ID Type / Status
Subject Emalahleni E174949 entity
Predicate coalField P37790 FINISHED
Object Witbank coalfield
The Witbank coalfield is one of South Africa’s most important and productive coal mining regions, supplying a large share of the country’s thermal coal for power generation and export.
E684410 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: Witbank coalfield | Statement: [Emalahleni, coalField, Witbank coalfield]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Witbank coalfield
Context triple: [Emalahleni, coalField, Witbank coalfield]
  • A. Cullinan mine
    Cullinan mine is a famous South African diamond mine renowned as the source of some of the world's largest and most historically significant diamonds, including major stones cut from the Cullinan diamond.
  • B. Witwatersrand
    Witwatersrand is a mineral-rich escarpment in South Africa, historically famous for its vast gold deposits and for giving its name to the country's currency and the University of the Witwatersrand.
  • C. Minette iron-ore basin
    The Minette iron-ore basin is a historically important iron ore mining region in Lorraine and neighboring areas that underpinned much of the steel industry in Luxembourg and northeastern France.
  • D. Wande Coal
    Wande Coal is a Nigerian singer and songwriter known for his influential role in modern Afrobeats and his smooth, soulful vocal style.
  • E. Jharia coalfield
    Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
  • 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: Witbank coalfield
Triple: [Emalahleni, coalField, Witbank coalfield]
Generated description
The Witbank coalfield is one of South Africa’s most important and productive coal mining regions, supplying a large share of the country’s thermal coal for power generation and export.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Witbank coalfield
Target entity description: The Witbank coalfield is one of South Africa’s most important and productive coal mining regions, supplying a large share of the country’s thermal coal for power generation and export.
  • A. Cullinan mine
    Cullinan mine is a famous South African diamond mine renowned as the source of some of the world's largest and most historically significant diamonds, including major stones cut from the Cullinan diamond.
  • B. Witwatersrand
    Witwatersrand is a mineral-rich escarpment in South Africa, historically famous for its vast gold deposits and for giving its name to the country's currency and the University of the Witwatersrand.
  • C. Minette iron-ore basin
    The Minette iron-ore basin is a historically important iron ore mining region in Lorraine and neighboring areas that underpinned much of the steel industry in Luxembourg and northeastern France.
  • D. Wande Coal
    Wande Coal is a Nigerian singer and songwriter known for his influential role in modern Afrobeats and his smooth, soulful vocal style.
  • E. Jharia coalfield
    Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: coalField
Context triple: [Emalahleni, coalField, Witbank coalfield]
  • A. coalMeasure
    Indicates that something is a geological coal-bearing stratum or formation within the coal measures sequence.
  • B. coalMinedFrom
    Indicates that a quantity or batch of coal has been extracted from a particular source location, such as a mine or geological deposit.
  • C. coalType
    Indicates the specific kind or classification of coal associated with an entity.
  • D. coalTypeMined
    Indicates that a particular type of coal is extracted or produced through mining at a given location or by a given agent.
  • E. hasCoalBasin chosen
    Indicates that one entity contains, includes, or is characterized by a coal-bearing geological basin associated with the other entity.
  • F. None of above.

Provenance (6 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_69c6995c463c8190a14458036249d419 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c702ebb7448190ae8d47fe0cbb0907 completed March 27, 2026, 10:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8b510650481908d65838108a2d632 completed March 29, 2026, 5:13 a.m.
NEDg Description generation batch_69c8b6bfb96881908d0e82d3efa1e6e2 completed March 29, 2026, 5:21 a.m.
NED2 Entity disambiguation (via description) batch_69c8b7359cf48190b48782e2eabd5e6d completed March 29, 2026, 5:23 a.m.
PD Predicate disambiguation batch_69c701683dec8190be9861e592aa8ce0 completed March 27, 2026, 10:15 p.m.
Created at: March 27, 2026, 4:05 p.m.