Triple

T12986544
Position Surface form Disambiguated ID Type / Status
Subject Thika River E321781 entity
Predicate hasWatershed P17416 FINISHED
Object Tana River Basin
The Tana River Basin is a major river drainage system in Kenya that supports diverse ecosystems, agriculture, hydropower generation, and water supply for surrounding communities.
E318420 NE FINISHED

How this triple was built (4 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: [Thika River, hasWatershed, Tana River Basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tana River Basin
Context triple: [Thika River, hasWatershed, Tana River Basin]
  • A. Tana River
    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. 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.
  • 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. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Tana River Basin
Triple: [Thika River, hasWatershed, Tana River Basin]
Generated description
The Tana River Basin is a major river drainage system in Kenya that supports diverse ecosystems, agriculture, hydropower generation, and water supply for surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tana River Basin
Target entity description: The Tana River Basin is a major river drainage system in Kenya that supports diverse ecosystems, agriculture, hydropower generation, and water supply for surrounding communities.
  • 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. 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.
  • 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.

Provenance (5 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_69d8076479b8819090afce3591939cdf completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d97e5f47ec8190b39107bc016f9824 completed April 10, 2026, 10:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6e266000c8190b0ba4c9e63ba0542 completed May 3, 2026, 5:51 a.m.
NEDg Description generation batch_69f6e42cd5408190b687dfae73e2a720 completed May 3, 2026, 5:59 a.m.
NED2 Entity disambiguation (via description) batch_69f6e5293ee481908d9a90266ac5c3e6 completed May 3, 2026, 6:03 a.m.
Created at: April 9, 2026, 8:40 p.m.