Triple

T21054032
Position Surface form Disambiguated ID Type / Status
Subject Tana River County E518662 entity
Predicate namedAfter P63 FINISHED
Object Tana River — 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: Tana River | Statement: [Tana River County, namedAfter, Tana River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tana River
Context triple: [Tana River County, namedAfter, Tana River]
  • 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. Rufiji River
    The Rufiji River is Tanzania’s largest river system, flowing through diverse habitats and supporting rich wildlife, particularly within the Selous Game Reserve, before emptying into the Indian Ocean.
  • E. Tembesi River
    The Tembesi River is a major river in the Indonesian province of Jambi on the island of Sumatra, serving as an important waterway for the region’s ecology and local communities.
  • 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_69e0b5053ac48190921529544959e906 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e6fd7e087c81908712ddc63e8b1e6c completed April 21, 2026, 4:30 a.m.
Created at: April 16, 2026, 2:36 p.m.