Triple
T13483108
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tana River |
E318420
|
entity |
| Predicate | alternativeName |
P39
|
FINISHED |
| Object | River Tana (Kenya) |
E318420
|
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: River Tana (Kenya) | Statement: [Tana River, alternativeName, River Tana (Kenya)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: River Tana (Kenya) Context triple: [Tana River, alternativeName, River Tana (Kenya)]
-
A.
Tana River
chosen
The Tana River is Kenya's longest river, flowing from the central highlands to the Indian Ocean and serving as a vital source of water, hydroelectric power, and irrigation.
-
B.
Tsavo River
The Tsavo River is a major waterway in southeastern Kenya that flows through the vast Tsavo ecosystem, supporting diverse wildlife and feeding into the Athi–Galana–Sabaki river system.
-
C.
Nairobi River
The Nairobi River is a major waterway flowing through Kenya’s capital city, historically central to its development but now heavily impacted by urban pollution and restoration efforts.
-
D.
Ewaso Ng'iro River
The Ewaso Ng'iro River is a major river in East Africa that flows through arid and semi-arid regions of Kenya and Tanzania, supporting diverse wildlife and pastoral communities before reaching Lake Natron.
-
E.
Linyanti River
The Linyanti River is a watercourse in southern Africa that forms part of the border between Namibia and Botswana and contributes to the upper Zambezi River system.
- 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_69d806b6bfec819089222715b2e86c8e |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaf3868ec8190a6a1803018d4f2d8 |
completed | April 12, 2026, 2:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7463715dc8190a70a17b3ea661006 |
completed | May 3, 2026, 12:57 p.m. |
Created at: April 9, 2026, 9:42 p.m.