Triple
T19790502
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Line (Tanzania) |
E475395
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Lake Victoria region |
—
|
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: Lake Victoria region | Statement: [Central Line (Tanzania), connectsTo, Lake Victoria region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Victoria region Context triple: [Central Line (Tanzania), connectsTo, Lake Victoria region]
-
A.
Lake Albert region
The Lake Albert region is an area in western Uganda and eastern Democratic Republic of the Congo centered around Lake Albert, known for its rich biodiversity, fishing communities, and emerging oil resources.
-
B.
Lake Tanganyika region
The Lake Tanganyika region is an area in central Africa surrounding Lake Tanganyika, known for its rich biodiversity, fishing and transport activities, and its role as a key corridor for trade and travel between inland areas and the Great Lakes.
-
C.
Lake Victoria zone
The Lake Victoria zone is an administrative and geographical area in northern Tanzania encompassing regions around Lake Victoria, including Geita.
-
D.
Lake Victoria basin
chosen
The Lake Victoria basin is a vast geographical and ecological region in East Africa surrounding Lake Victoria, encompassing diverse communities, cultures, and ecosystems across multiple countries.
-
E.
Tsavo region
The Tsavo region is a vast area of southeastern Kenya known for its rugged volcanic landscapes, including extensive lava flows, and its famous wildlife-rich national parks.
- 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_69d8e51b014081908b263e167370529a |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e653c217bc819092c517b27ca22087 |
completed | April 20, 2026, 4:26 p.m. |
Created at: April 10, 2026, 1:49 p.m.