Triple
T6975014
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Zambia Railways network |
E161694
|
entity |
| Predicate | historicalOperator |
P2834
|
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: [Zambia Railways network, historicalOperator, Rhodesia Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rhodesia Railways Context triple: [Zambia Railways network, historicalOperator, 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.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
C.
Anglia Railways
Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
-
D.
Zambia Railways network
The Zambia Railways network is the national railway system of Zambia, linking major cities, mining regions, and neighboring countries for freight and passenger transport.
-
E.
Southern Railway (UK)
Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
- 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_69c761a6bbdc81908c96871f151db279 |
completed | March 28, 2026, 5:05 a.m. |
Created at: March 27, 2026, 2:31 p.m.