Triple
T6975015
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Zambia Railways network |
E161694
|
entity |
| Predicate | historicalOperator |
P2834
|
FINISHED |
| Object |
Zambia Railways (state-owned predecessor structures)
Zambia Railways (state-owned predecessor structures) refers to the earlier government-owned railway organizations in Zambia that managed and operated the country’s rail infrastructure before later restructuring and corporatization.
|
E161694
|
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: Zambia Railways (state-owned predecessor structures) | Statement: [Zambia Railways network, historicalOperator, Zambia Railways (state-owned predecessor structures)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Zambia Railways (state-owned predecessor structures) Context triple: [Zambia Railways network, historicalOperator, Zambia Railways (state-owned predecessor structures)]
-
A.
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.
-
B.
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.
-
C.
Tanzania Railways Corporation
Tanzania Railways Corporation is the state-owned company responsible for operating and managing much of Tanzania’s railway network for passenger and freight transport.
-
D.
Botswana rail network
The Botswana rail network is the system of railway lines that serves as a key freight and passenger transport backbone within Botswana and links the country to neighboring states in Southern Africa.
-
E.
Tanzania–Zambia Railway (TAZARA)
The Tanzania–Zambia Railway (TAZARA) is a major bi-national rail line built with Chinese assistance that links landlocked Zambia to the Tanzanian port of Dar es Salaam, serving as a key transport and trade corridor in East and Southern Africa.
- 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: Zambia Railways (state-owned predecessor structures) Triple: [Zambia Railways network, historicalOperator, Zambia Railways (state-owned predecessor structures)]
Generated description
Zambia Railways (state-owned predecessor structures) refers to the earlier government-owned railway organizations in Zambia that managed and operated the country’s rail infrastructure before later restructuring and corporatization.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Zambia Railways (state-owned predecessor structures) Target entity description: Zambia Railways (state-owned predecessor structures) refers to the earlier government-owned railway organizations in Zambia that managed and operated the country’s rail infrastructure before later restructuring and corporatization.
-
A.
Zambia Railways network
chosen
The Zambia Railways network is the national railway system of Zambia, linking major cities, mining regions, and neighboring countries for freight and passenger transport.
-
B.
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.
-
C.
Tanzania Railways Corporation
Tanzania Railways Corporation is the state-owned company responsible for operating and managing much of Tanzania’s railway network for passenger and freight transport.
-
D.
Botswana rail network
The Botswana rail network is the system of railway lines that serves as a key freight and passenger transport backbone within Botswana and links the country to neighboring states in Southern Africa.
-
E.
Tanzania–Zambia Railway (TAZARA)
The Tanzania–Zambia Railway (TAZARA) is a major bi-national rail line built with Chinese assistance that links landlocked Zambia to the Tanzanian port of Dar es Salaam, serving as a key transport and trade corridor in East and Southern Africa.
- 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_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. |
| NEDg | Description generation | batch_69c7639074f48190bc095f18fc35c08b |
completed | March 28, 2026, 5:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c76435fd2c819099143ea12f21d095 |
completed | March 28, 2026, 5:16 a.m. |
Created at: March 27, 2026, 2:31 p.m.