Triple
T2711238
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Roodepoort |
E59864
|
entity |
| Predicate | urbanAreaOf |
P294
|
FINISHED |
| Object | Johannesburg urban region |
E290983
|
NE FINISHED |
How this triple was built (2 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: Johannesburg urban region | Statement: [Roodepoort, urbanAreaOf, Johannesburg urban region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Johannesburg urban region Context triple: [Roodepoort, urbanAreaOf, Johannesburg urban region]
-
A.
Pretoria–Witwatersrand–Vereeniging conurbation
The Pretoria–Witwatersrand–Vereeniging conurbation is South Africa’s largest urban agglomeration, encompassing much of the country’s economic and population core in the Gauteng region.
-
B.
Greater Johannesburg metropolitan area
chosen
The Greater Johannesburg metropolitan area is South Africa’s largest urban and economic hub, encompassing Johannesburg and its surrounding suburbs and municipalities.
-
C.
Johannesburg, South Africa
Johannesburg, South Africa is the country’s largest city and economic hub, known for its role in the gold mining industry and as a major urban center in Gauteng province.
-
D.
Greater Pretoria region
The Greater Pretoria region is a metropolitan area in northern Gauteng, South Africa, centered on the city of Pretoria and its surrounding urban and suburban communities.
-
E.
Ekurhuleni
Ekurhuleni is a large metropolitan municipality in South Africa’s Gauteng province, known for its extensive industrial base and major transport hubs including OR Tambo International Airport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ab4ac92a088190bc74bca14038e3de |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abda78c4f08190bb1217f08198c4cc |
completed | March 7, 2026, 7:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afce8317fc8190ab3736b950b92495 |
completed | March 10, 2026, 7:55 a.m. |
Created at: March 6, 2026, 9:55 p.m.