Triple
T14017075
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Johannesburg drainage system |
E337230
|
entity |
| Predicate | managedBy |
P86
|
FINISHED |
| Object |
Johannesburg Water
Johannesburg Water is the municipal water and sanitation utility responsible for providing water services and wastewater management in the City of Johannesburg, South Africa.
|
E1076288
|
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: Johannesburg Water | Statement: [Johannesburg drainage system, managedBy, Johannesburg Water]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Johannesburg Water Context triple: [Johannesburg drainage system, managedBy, Johannesburg Water]
-
A.
Breede River
The Breede River is a major river in South Africa’s Western Cape, known for flowing through fertile wine and fruit-growing valleys before reaching the Indian Ocean.
-
B.
Vaalwater
Vaalwater is a small rural town in South Africa’s Limpopo province, serving as a key gateway and service hub for the surrounding Waterberg biosphere and game reserves.
-
C.
Nelspruit
Nelspruit is a city in northeastern South Africa, now known as Mbombela, noted as a regional hub near Kruger National Park and for hosting matches during the 2010 FIFA World Cup.
-
D.
Theewaterskloof Dam
Theewaterskloof Dam is one of the largest dams in the Western Cape of South Africa, serving as a major water supply source for Cape Town and surrounding agricultural areas.
-
E.
Wesselsbron
Wesselsbron is a maize-farming town in South Africa’s Free State province, known for its role in the country’s grain production.
- 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: Johannesburg Water Triple: [Johannesburg drainage system, managedBy, Johannesburg Water]
Generated description
Johannesburg Water is the municipal water and sanitation utility responsible for providing water services and wastewater management in the City of Johannesburg, South Africa.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Johannesburg Water Target entity description: Johannesburg Water is the municipal water and sanitation utility responsible for providing water services and wastewater management in the City of Johannesburg, South Africa.
-
A.
Breede River
The Breede River is a major river in South Africa’s Western Cape, known for flowing through fertile wine and fruit-growing valleys before reaching the Indian Ocean.
-
B.
Vaalwater
Vaalwater is a small rural town in South Africa’s Limpopo province, serving as a key gateway and service hub for the surrounding Waterberg biosphere and game reserves.
-
C.
Nelspruit
Nelspruit is a city in northeastern South Africa, now known as Mbombela, noted as a regional hub near Kruger National Park and for hosting matches during the 2010 FIFA World Cup.
-
D.
Theewaterskloof Dam
Theewaterskloof Dam is one of the largest dams in the Western Cape of South Africa, serving as a major water supply source for Cape Town and surrounding agricultural areas.
-
E.
Wesselsbron
Wesselsbron is a maize-farming town in South Africa’s Free State province, known for its role in the country’s grain production.
- 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_69d81c6543a48190bd5ba93d7419e797 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2f396b648190927e5718c3bb6511 |
completed | April 14, 2026, 12:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fbc32d77108190b038e8a750738439 |
completed | May 6, 2026, 10:39 p.m. |
| NEDg | Description generation | batch_69fc43e28e288190827925f45b942959 |
completed | May 7, 2026, 7:48 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fc444630408190b368611373265973 |
completed | May 7, 2026, 7:50 a.m. |
Created at: April 9, 2026, 10:19 p.m.