Triple

T10568211
Position Surface form Disambiguated ID Type / Status
Subject Mathare River E249405 entity
Predicate partOf P40 FINISHED
Object Athi River drainage system E249404 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: Athi River drainage system | Statement: [Mathare River, partOf, Athi River drainage system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Athi River drainage system
Context triple: [Mathare River, partOf, Athi River drainage system]
  • A. Athi River basin chosen
    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.
  • B. Mula River
    The Mula River is a major river in the Indian state of Maharashtra that flows through the city of Pune and forms part of its urban river system.
  • C. Nembe–Brass waterways
    The Nembe–Brass waterways are a key network of creeks and channels in Nigeria’s Niger Delta that serve as vital transport and economic lifelines between Nembe, Brass, and surrounding riverine communities.
  • D. Ilu River
    The Ilu River is a waterway on Guadalcanal in the Solomon Islands that was a key geographic feature during World War II’s Guadalcanal campaign.
  • E. Aba River
    The Aba River is a waterway in southeastern Nigeria that flows through the city of Aba and serves as an important local natural and economic resource.
  • 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_69d381c8bd708190acf3d275c908251e completed April 6, 2026, 9:50 a.m.
NER Named-entity recognition batch_69d5272ff53c8190ae7c399d49b585f5 completed April 7, 2026, 3:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69d94b4c26ec8190910efdf4a236d654 completed April 10, 2026, 7:11 p.m.
Created at: April 6, 2026, 12:37 p.m.