Triple
T11258162
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JNB |
E266492
|
entity |
| Predicate | hasGroundTransport |
P1298
|
FINISHED |
| Object | Gautrain rail link |
E266498
|
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: Gautrain rail link | Statement: [JNB, hasGroundTransport, Gautrain rail link]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gautrain rail link Context triple: [JNB, hasGroundTransport, Gautrain rail link]
-
A.
Gautrain
chosen
Gautrain is a high-speed commuter rail system in Gauteng, South Africa, linking major urban centers and key locations such as airports and business districts.
-
B.
Nairobi commuter rail network
The Nairobi commuter rail network is a suburban passenger rail system serving Nairobi and its surrounding metropolitan areas, aimed at easing urban congestion and improving daily transit for commuters.
-
C.
Cairo rail network
The Cairo rail network is the metropolitan railway system serving Greater Cairo, linking the city’s districts and suburbs with regional and national rail lines.
-
D.
Durban People Mover bus system
The Durban People Mover bus system is a modern, city-operated public transport service in Durban, South Africa, designed to provide safe, reliable, and convenient travel for residents and tourists across key urban and beachfront areas.
-
E.
Gautrain Management Agency
Gautrain Management Agency is the public entity responsible for overseeing and managing the Gautrain rapid rail system in Gauteng, 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_69d6aac7953c8190b82caf9d7640fdf9 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e935b85c819085e1abf2dd4099c5 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5563558f48190ac5fa26062249175 |
completed | April 19, 2026, 10:24 p.m. |
Created at: April 8, 2026, 9:31 p.m.