Triple
T11571378
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Railways of Zimbabwe |
E274393
|
entity |
| Predicate | mainLine |
P24771
|
FINISHED |
| Object |
Bulawayo–Beitbridge line
The Bulawayo–Beitbridge line is a key railway corridor in Zimbabwe that links the industrial city of Bulawayo with the Beitbridge border crossing to South Africa, serving as a major route for regional freight and passenger transport.
|
E935732
|
NE FINISHED |
How this triple was built (4 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: Bulawayo–Beitbridge line | Statement: [National Railways of Zimbabwe, mainLine, Bulawayo–Beitbridge line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bulawayo–Beitbridge line Context triple: [National Railways of Zimbabwe, mainLine, Bulawayo–Beitbridge line]
-
A.
Harare–Bulawayo line
The Harare–Bulawayo line is a major railway corridor in Zimbabwe that connects the capital city Harare with the industrial hub of Bulawayo, serving as a key route for both passenger and freight transport.
-
B.
Cape Town–Bulawayo railway
The Cape Town–Bulawayo railway is a major southern African rail line linking Cape Town in South Africa with Bulawayo in Zimbabwe, historically significant as a key north–south transport corridor.
-
C.
Bulawayo–Victoria Falls railway
The Bulawayo–Victoria Falls railway is a key rail line in western Zimbabwe that connects the city of Bulawayo to the Victoria Falls area, serving as an important regional transport and tourism corridor.
-
D.
Livingstone–Lusaka–Kabwe–Ndola line
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.
-
E.
Johannesburg–Swaziland line
The Johannesburg–Swaziland line is a railway route in southern Africa that connects Johannesburg in South Africa with Eswatini (formerly Swaziland), serving as an important corridor for regional transport and trade.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Bulawayo–Beitbridge line Triple: [National Railways of Zimbabwe, mainLine, Bulawayo–Beitbridge line]
Generated description
The Bulawayo–Beitbridge line is a key railway corridor in Zimbabwe that links the industrial city of Bulawayo with the Beitbridge border crossing to South Africa, serving as a major route for regional freight and passenger transport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bulawayo–Beitbridge line Target entity description: The Bulawayo–Beitbridge line is a key railway corridor in Zimbabwe that links the industrial city of Bulawayo with the Beitbridge border crossing to South Africa, serving as a major route for regional freight and passenger transport.
-
A.
Harare–Bulawayo line
The Harare–Bulawayo line is a major railway corridor in Zimbabwe that connects the capital city Harare with the industrial hub of Bulawayo, serving as a key route for both passenger and freight transport.
-
B.
Cape Town–Bulawayo railway
The Cape Town–Bulawayo railway is a major southern African rail line linking Cape Town in South Africa with Bulawayo in Zimbabwe, historically significant as a key north–south transport corridor.
-
C.
Bulawayo–Victoria Falls railway
The Bulawayo–Victoria Falls railway is a key rail line in western Zimbabwe that connects the city of Bulawayo to the Victoria Falls area, serving as an important regional transport and tourism corridor.
-
D.
Livingstone–Lusaka–Kabwe–Ndola line
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.
-
E.
Johannesburg–Swaziland line
The Johannesburg–Swaziland line is a railway route in southern Africa that connects Johannesburg in South Africa with Eswatini (formerly Swaziland), serving as an important corridor for regional transport and trade.
- F. None of above. chosen
Provenance (5 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_69d6aae5ac3c81908d2b0a3a665665b2 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d88dd6913881908becf188c0a7a275 |
completed | April 10, 2026, 5:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e8a776ea40819084912ad2459c5be9 |
completed | April 22, 2026, 10:48 a.m. |
| NEDg | Description generation | batch_69e8aa378edc8190807451b1855a4502 |
completed | April 22, 2026, 11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e8b05117988190aa029efa250053db |
completed | April 22, 2026, 11:26 a.m. |
Created at: April 8, 2026, 9:38 p.m.