Triple
T11571393
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Railways of Zimbabwe |
E274393
|
entity |
| Predicate | hasFormerName |
P65
|
FINISHED |
| Object | Rhodesia Railways |
E274393
|
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: Rhodesia Railways | Statement: [National Railways of Zimbabwe, hasFormerName, Rhodesia Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rhodesia Railways Context triple: [National Railways of Zimbabwe, hasFormerName, Rhodesia Railways]
-
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.
- 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_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_69e713d18ccc8190a63256c3cc1c2f59 |
completed | April 21, 2026, 6:06 a.m. |
Created at: April 8, 2026, 9:38 p.m.