Triple
T6973538
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrorail Gauteng commuter rail |
E161655
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Ekurhuleni |
E57128
|
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: Ekurhuleni | Statement: [Metrorail Gauteng commuter rail, locatedIn, Ekurhuleni]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ekurhuleni Context triple: [Metrorail Gauteng commuter rail, locatedIn, Ekurhuleni]
-
A.
Ekurhuleni
chosen
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.
-
B.
West Rand District Municipality
West Rand District Municipality is a local government area in the western part of South Africa’s Gauteng province, encompassing several towns and mining communities.
-
C.
O.R. Tambo District Municipality
O.R. Tambo District Municipality is a local government district in South Africa’s Eastern Cape province, known for encompassing rural communities including the birthplace of Nelson Mandela.
-
D.
eThekwini Metropolitan Municipality
eThekwini Metropolitan Municipality is a local government area in South Africa that encompasses the city of Durban and its surrounding towns and suburbs along the KwaZulu-Natal coast.
-
E.
Mangaung Metropolitan Municipality
Mangaung Metropolitan Municipality is a local government area in South Africa’s Free State province that includes the city of Bloemfontein and its surrounding towns and settlements.
- 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_69c68854a0d88190bc0bf82263f1afce |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6db3aad108190b19df2d21f5ce168 |
completed | March 27, 2026, 7:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c78839d37c8190a127c01e2aeb71ee |
completed | March 28, 2026, 7:50 a.m. |
Created at: March 27, 2026, 2:30 p.m.