Triple
T2797434
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lanseria International Airport |
E53071
|
entity |
| Predicate | servesMetropolitanArea |
P82
|
FINISHED |
| Object | Pretoria–Tshwane metropolitan area |
E314667
|
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: Pretoria–Tshwane metropolitan area | Statement: [Lanseria International Airport, servesMetropolitanArea, Pretoria–Tshwane metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pretoria–Tshwane metropolitan area Context triple: [Lanseria International Airport, servesMetropolitanArea, Pretoria–Tshwane metropolitan area]
-
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.
Tshwane
chosen
Tshwane is a major metropolitan area in South Africa that includes the country’s administrative capital, Pretoria, and serves as an important political and economic hub.
-
C.
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.
-
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.
City of Johannesburg Metropolitan Municipality
The City of Johannesburg Metropolitan Municipality is the local government authority responsible for administering and providing services to the greater Johannesburg metropolitan area in South Africa.
- 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_69ab495a90788190941b6917e1eca3a6 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abddf0f4988190bffc3abab7edbb81 |
completed | March 7, 2026, 8:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b1f852ebbc8190885b819a79719c6d |
completed | March 11, 2026, 11:18 p.m. |
Created at: March 6, 2026, 9:58 p.m.