Triple
T19891620
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Province, Zambia |
E478043
|
entity |
| Predicate | containsTransportInfrastructure |
P2413
|
FINISHED |
| Object | Tanzania-Zambia Railway (TAZARA) line near Kapiri Mposhi |
—
|
NE NERFINISHED |
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: Tanzania-Zambia Railway (TAZARA) line near Kapiri Mposhi | Statement: [Central Province, Zambia, containsTransportInfrastructure, Tanzania-Zambia Railway (TAZARA) line near Kapiri Mposhi]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tanzania-Zambia Railway (TAZARA) line near Kapiri Mposhi Context triple: [Central Province, Zambia, containsTransportInfrastructure, Tanzania-Zambia Railway (TAZARA) line near Kapiri Mposhi]
-
A.
Tanzania–Zambia Railway (TAZARA)
chosen
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–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.
-
C.
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.
-
D.
Tanzanian railway network
The Tanzanian railway network is the national system of rail lines that connects major cities, ports, and inland regions across Tanzania for passenger and freight transport.
-
E.
Livingstone–Lusaka–Kabwe–Ndola line
The Livingstone–Lusaka–Kabwe–Ndola line is a principal north–south railway route in Zambia that links major urban and industrial centers from the southern border at Livingstone through the capital Lusaka to the Copperbelt region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e51f32b08190b3687f4f60353250 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e6590ed7988190bc6b610d1f4fa194 |
completed | April 20, 2026, 4:49 p.m. |
Created at: April 10, 2026, 1:52 p.m.