Triple
T7492721
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tabora–Kigoma railway |
E177044
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object | Lake Tanganyika port of Kigoma |
E34026
|
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: Lake Tanganyika port of Kigoma | Statement: [Tabora–Kigoma railway, connects, Lake Tanganyika port of Kigoma]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Tanganyika port of Kigoma Context triple: [Tabora–Kigoma railway, connects, Lake Tanganyika port of Kigoma]
-
A.
Port of Matadi
The Port of Matadi is a major seaport on the Congo River in the Democratic Republic of the Congo, serving as a key gateway for the country’s international maritime trade.
-
B.
Kigoma
chosen
Kigoma is a port city in western Tanzania located on the eastern shore of Lake Tanganyika and serving as a key regional transport and trade hub.
-
C.
Port of Boma
The Port of Boma is a key maritime gateway on the Congo River in the Democratic Republic of the Congo, serving regional trade and transport in Kongo Central Province.
-
D.
Temeke
Temeke is one of the main administrative districts of Dar es Salaam in Tanzania, known for its industrial areas, port-related activities, and densely populated urban neighborhoods.
-
E.
Nyanga
Nyanga is a township on the Cape Flats near Cape Town, South Africa, known for its history of apartheid-era resistance and ongoing social and economic challenges.
- 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_69c69f2583808190bd1a4936c42a5815 |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f5784c908190b701959daf082625 |
completed | March 27, 2026, 9:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c83c7c60b8819090f2c4b16332c557 |
completed | March 28, 2026, 8:39 p.m. |
Created at: March 27, 2026, 3:43 p.m.