Triple
T6974943
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tanzania–Zambia Railway |
E161693
|
entity |
| Predicate | hasAbbreviation |
P43
|
FINISHED |
| Object | TAZARA |
E161693
|
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: TAZARA | Statement: [Tanzania–Zambia Railway, hasAbbreviation, TAZARA]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TAZARA Context triple: [Tanzania–Zambia Railway, hasAbbreviation, TAZARA]
-
A.
Nacala Corridor
The Nacala Corridor is a major transport and logistics route in Mozambique and neighboring countries, linking inland mining and agricultural regions to the Indian Ocean via the Port of Nacala.
-
B.
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.
-
C.
Tanzam Highway
The Tanzam Highway is a key transport corridor in Tanzania that links the coastal city of Dar es Salaam with the landlocked nation of Zambia, facilitating regional trade and travel.
-
D.
Dschang
Dschang is a city in western Cameroon known as an important educational and cultural center, home to the University of Dschang and a mild highland climate.
-
E.
Takrur
Takrur was an early West African kingdom located in the Senegal River valley, known for its role in trans-Saharan trade and its early adoption of Islam.
- 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.