Triple
T7492736
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tabora–Kigoma railway |
E177044
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | African Great Lakes region |
E174009
|
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: African Great Lakes region | Statement: [Tabora–Kigoma railway, locatedOn, African Great Lakes region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: African Great Lakes region Context triple: [Tabora–Kigoma railway, locatedOn, African Great Lakes region]
-
A.
Great Lakes Region of Africa
chosen
The Great Lakes Region of Africa is a conflict-affected area in central and eastern Africa encompassing several countries around the African Great Lakes, known for its complex political dynamics, humanitarian challenges, and rich natural resources.
-
B.
Equatorial lakes region
The Equatorial Lakes region is a central African area of large freshwater lakes, including Lake Victoria, that forms the headwaters of the White Nile.
-
C.
East Africa
East Africa is a region on the eastern side of the African continent, known for its diverse cultures, significant wildlife and safari tourism, and countries such as Kenya, Tanzania, Uganda, and Ethiopia.
-
D.
Central Africa
Central Africa is a subregion of the African continent that encompasses several landlocked and coastal countries characterized by vast rainforests, the Congo River basin, and significant cultural and linguistic diversity.
-
E.
Zambezian region
The Zambezian region is a major biogeographical zone in south-central Africa characterized by extensive miombo woodlands, savannas, and rich biodiversity spanning several countries.
- 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.