Triple
T18412708
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pretoria Gautrain station |
E441801
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Centurion Gautrain station |
—
|
NE NERFINISHED |
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: Centurion Gautrain station | Statement: [Pretoria Gautrain station, connectsTo, Centurion Gautrain station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Centurion Gautrain station Context triple: [Pretoria Gautrain station, connectsTo, Centurion Gautrain station]
-
A.
Centurion Gautrain station
chosen
Centurion Gautrain station is a rapid rail transit station in Centurion, South Africa, serving as part of the Gautrain network that connects Pretoria, Johannesburg, and OR Tambo International Airport.
-
B.
Johannesburg Park Station
Johannesburg Park Station is the main railway and intercity transport hub of Johannesburg, serving as a central node for commuter, regional, and long-distance train and bus services.
-
C.
Midrand station
Midrand station is a Gautrain rapid rail station in Midrand, South Africa, serving as a key commuter link between Johannesburg and Pretoria.
-
D.
Pretoria Gautrain station
Pretoria Gautrain station is a major rapid-rail transit hub in Pretoria, South Africa, serving as a key stop on the Gautrain network linking the city with Johannesburg and surrounding areas.
-
E.
OR Tambo station
OR Tambo station is a Gautrain rapid rail station serving Johannesburg’s OR Tambo International Airport as its primary public transport link.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8b9eb8a508190a942fd75ebd8b1dc |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e51a259c1c819094e710bb4a7ace75 |
completed | April 19, 2026, 6:08 p.m. |
Created at: April 10, 2026, 10:47 a.m.