Triple
T23365908
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Doornfontein |
E593318
|
entity |
| Predicate | hasEducationalInstitution |
P113
|
FINISHED |
| Object | Central Johannesburg College (campus in Doornfontein) |
—
|
NE NERFINISHED |
How this triple was built (3 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: Central Johannesburg College (campus in Doornfontein) | Statement: [Doornfontein, hasEducationalInstitution, Central Johannesburg College (campus in Doornfontein)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central Johannesburg College (campus in Doornfontein) Context triple: [Doornfontein, hasEducationalInstitution, Central Johannesburg College (campus in Doornfontein)]
-
A.
Ekurhuleni campus
Ekurhuleni campus is a satellite campus of the Vaal University of Technology serving students in the Ekurhuleni metropolitan area of South Africa.
-
B.
Braamfontein Campus
Braamfontein Campus is the main urban campus of the University of the Witwatersrand in Johannesburg, known for its academic, administrative, and student life facilities.
-
C.
Soweto Campus
Soweto Campus is a University of Johannesburg campus located in Soweto, serving as a key higher-education hub for the surrounding community.
-
D.
Mbombela Campus
Mbombela Campus is a regional campus of the Tshwane University of Technology located in Mbombela, South Africa, offering a range of academic programs to students in the area.
-
E.
Potchefstroom campus
Potchefstroom campus is the main university campus located in Potchefstroom, South Africa, historically associated with Potchefstroom University for Christian Higher Education and now part of North-West University.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Central Johannesburg College (campus in Doornfontein) Target entity description: Central Johannesburg College’s Doornfontein campus is a further education and training institution in Johannesburg offering vocational and technical programs to post-school learners.
-
A.
Ekurhuleni campus
Ekurhuleni campus is a satellite campus of the Vaal University of Technology serving students in the Ekurhuleni metropolitan area of South Africa.
-
B.
Braamfontein Campus
Braamfontein Campus is the main urban campus of the University of the Witwatersrand in Johannesburg, known for its academic, administrative, and student life facilities.
-
C.
Soweto Campus
Soweto Campus is a University of Johannesburg campus located in Soweto, serving as a key higher-education hub for the surrounding community.
-
D.
Mbombela Campus
Mbombela Campus is a regional campus of the Tshwane University of Technology located in Mbombela, South Africa, offering a range of academic programs to students in the area.
-
E.
Potchefstroom campus
Potchefstroom campus is the main university campus located in Potchefstroom, South Africa, historically associated with Potchefstroom University for Christian Higher Education and now part of North-West University.
- F. None of above. chosen
Provenance (2 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_69e25d2593c88190bcdf4a716a94ccb2 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f1a0ac7494819082e98ac5632eba28 |
completed | April 29, 2026, 6:09 a.m. |
Created at: April 17, 2026, 5:31 p.m.