Triple
T2103736
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Uvinza |
E37146
|
entity |
| Predicate | railwayOperator |
P5620
|
FINISHED |
| Object |
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.
|
E234423
|
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: Tanzania Railways Corporation | Statement: [Uvinza, railwayOperator, Tanzania Railways Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tanzania Railways Corporation Context triple: [Uvinza, railwayOperator, Tanzania Railways Corporation]
-
A.
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.
-
B.
Tabora–Kigoma railway
The Tabora–Kigoma railway is a key western Tanzanian rail line connecting the inland rail hub of Tabora to the port town of Kigoma on Lake Tanganyika, facilitating regional trade and passenger transport.
-
C.
Tabora–Mpanda railway
The Tabora–Mpanda railway is a regional rail line in western Tanzania that connects the town of Tabora with Mpanda, supporting transport and economic activity across the area.
-
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.
Zomba Group of Companies
Zomba Group of Companies was a major music entertainment conglomerate best known for its influential Jive Records label, which launched and managed the careers of numerous pop and R&B superstars.
- 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: Tanzania Railways Corporation Triple: [Uvinza, railwayOperator, Tanzania Railways Corporation]
Generated description
Tanzania Railways Corporation is the state-owned company responsible for operating and managing much of Tanzania’s railway network for passenger and freight transport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tanzania Railways Corporation Target entity description: Tanzania Railways Corporation is the state-owned company responsible for operating and managing much of Tanzania’s railway network for passenger and freight transport.
-
A.
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.
-
B.
Tabora–Kigoma railway
The Tabora–Kigoma railway is a key western Tanzanian rail line connecting the inland rail hub of Tabora to the port town of Kigoma on Lake Tanganyika, facilitating regional trade and passenger transport.
-
C.
Tabora–Mpanda railway
The Tabora–Mpanda railway is a regional rail line in western Tanzania that connects the town of Tabora with Mpanda, supporting transport and economic activity across the area.
-
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.
Zomba Group of Companies
Zomba Group of Companies was a major music entertainment conglomerate best known for its influential Jive Records label, which launched and managed the careers of numerous pop and R&B superstars.
- 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_69a8861828948190924aa30c08806b3a |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69abbabf7cdc81909636dff34badc1c5 |
completed | March 7, 2026, 5:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae3069f78c819092a6d9d903e4df13 |
completed | March 9, 2026, 2:28 a.m. |
| NEDg | Description generation | batch_69ae311eec148190af10e88fb4d7c433 |
completed | March 9, 2026, 2:31 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae3199909881909ffca021098c98ea |
completed | March 9, 2026, 2:34 a.m. |
Created at: March 4, 2026, 7:43 p.m.