Triple
T11571362
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Railways of Zimbabwe |
E274393
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object |
Rhodesia Railways
Rhodesia Railways was the state-owned railway operator of the former British colony of Southern Rhodesia (later Rhodesia), providing major rail transport across what is now Zimbabwe and neighboring regions during much of the 20th century.
|
E274393
|
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: Rhodesia Railways | Statement: [National Railways of Zimbabwe, precededBy, Rhodesia Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rhodesia Railways Context triple: [National Railways of Zimbabwe, precededBy, Rhodesia Railways]
-
A.
National Railways of Zimbabwe
National Railways of Zimbabwe is the state-owned railway company responsible for operating the majority of Zimbabwe’s rail transport infrastructure and services.
-
B.
Botswana Railways
Botswana Railways is the state-owned railway company responsible for operating and managing Botswana’s national rail transport system.
-
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.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
E.
Great Southern Railways
Great Southern Railways was a major Irish railway company that operated much of the country’s rail network in the early to mid-20th century.
- 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: Rhodesia Railways Triple: [National Railways of Zimbabwe, precededBy, Rhodesia Railways]
Generated description
Rhodesia Railways was the state-owned railway operator of the former British colony of Southern Rhodesia (later Rhodesia), providing major rail transport across what is now Zimbabwe and neighboring regions during much of the 20th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rhodesia Railways Target entity description: Rhodesia Railways was the state-owned railway operator of the former British colony of Southern Rhodesia (later Rhodesia), providing major rail transport across what is now Zimbabwe and neighboring regions during much of the 20th century.
-
A.
National Railways of Zimbabwe
chosen
National Railways of Zimbabwe is the state-owned railway company responsible for operating the majority of Zimbabwe’s rail transport infrastructure and services.
-
B.
Botswana Railways
Botswana Railways is the state-owned railway company responsible for operating and managing Botswana’s national rail transport system.
-
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.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
E.
Great Southern Railways
Great Southern Railways was a major Irish railway company that operated much of the country’s rail network in the early to mid-20th century.
- F. None of above.
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_69e6e8eface48190a2ed3275191b01ea |
completed | April 21, 2026, 3:03 a.m. |
| NEDg | Description generation | batch_69e6ef9631e48190aef47bba9ad611e8 |
completed | April 21, 2026, 3:31 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e6f94ac2d0819098a3024eaab908b5 |
completed | April 21, 2026, 4:12 a.m. |
Created at: April 8, 2026, 9:38 p.m.