Triple

T13483085
Position Surface form Disambiguated ID Type / Status
Subject Tana River E318420 entity
Predicate partOf P40 FINISHED
Object Tana River Basin 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: Tana River Basin | Statement: [Tana River, partOf, Tana River Basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tana River Basin
Context triple: [Tana River, partOf, Tana River Basin]
  • 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. Tana River
    Tana River is a major river in northern Scandinavia, renowned for forming part of the border between Norway and Finland and for its rich salmon fisheries.
  • C. 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.
  • D. Tana River Delta
    The Tana River Delta is a vast, biodiverse wetland and estuarine ecosystem on Kenya’s Indian Ocean coast, supporting rich wildlife, pastoralism, and small-scale agriculture.
  • E. Athi River basin
    The Athi River basin is a major drainage basin in Kenya that collects waters from rivers such as the Nairobi River and ultimately feeds into the Indian Ocean.
  • 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_69f7c0d591648190beb4430c6b199eb8 completed May 3, 2026, 9:40 p.m.
Created at: April 9, 2026, 9:42 p.m.