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.