Triple
T6975021
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Zambia Railways network |
E161694
|
entity |
| Predicate | mainCorridor |
P5520
|
FINISHED |
| Object | Lusaka–Copperbelt corridor |
E633698
|
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: Lusaka–Copperbelt corridor | Statement: [Zambia Railways network, mainCorridor, Lusaka–Copperbelt corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lusaka–Copperbelt corridor Context triple: [Zambia Railways network, mainCorridor, Lusaka–Copperbelt corridor]
-
A.
Lusaka–Malawi transport corridor
The Lusaka–Malawi transport corridor is a key regional route linking Zambia’s capital Lusaka with Malawi, facilitating cross-border trade and movement in southeastern Africa.
-
B.
Nacala Corridor
The Nacala Corridor is a major transport and logistics route in Mozambique and neighboring countries, linking inland mining and agricultural regions to the Indian Ocean via the Port of Nacala.
-
C.
Livingstone–Lusaka–Kabwe–Ndola line
chosen
The Livingstone–Lusaka–Kabwe–Ndola line is a principal north–south railway route in Zambia that links major urban and industrial centers from the southern border at Livingstone through the capital Lusaka to the Copperbelt region.
-
D.
Maputo Corridor
The Maputo Corridor is a major regional development and transport route linking South Africa’s industrial heartland to the port city of Maputo in Mozambique, facilitating trade and economic integration in Southern Africa.
-
E.
Tanzam Highway
The Tanzam Highway is a key transport corridor in Tanzania that links the coastal city of Dar es Salaam with the landlocked nation of Zambia, facilitating regional trade and travel.
- 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_69c6db3bda908190a10a91dc8d043ef1 |
completed | March 27, 2026, 7:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c76a0ad57c81909aec9f619dc68bd7 |
completed | March 28, 2026, 5:41 a.m. |
Created at: March 27, 2026, 2:31 p.m.