Triple

T10792528
Position Surface form Disambiguated ID Type / Status
Subject Kirichwa River E254616 entity
Predicate partOf P40 FINISHED
Object Nairobi urban drainage network
The Nairobi urban drainage network is the integrated system of natural waterways and engineered channels that manages stormwater and surface runoff across Kenya’s capital city.
 E885395 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: Nairobi urban drainage network | Statement: [Kirichwa River, partOf, Nairobi urban drainage network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nairobi urban drainage network
Context triple: [Kirichwa River, partOf, Nairobi urban drainage network]
  • A. Nairobi Rivers Basin Programme (NRBP)
    The Nairobi Rivers Basin Programme (NRBP) is an environmental initiative focused on rehabilitating, conserving, and sustainably managing the Nairobi River and its surrounding basin.
  • B. Recife urban hydrological network
    The Recife urban hydrological network is the interconnected system of rivers, canals, and drainage waterways that shapes the city’s water management, flood dynamics, and coastal environment.
  • C. Water Resources Authority of Kenya
    The Water Resources Authority of Kenya is a national government agency responsible for regulating, conserving, and managing the country’s water resources and river basins.
  • D. Mapocho Urbano Limpio project
    The Mapocho Urbano Limpio project is an environmental initiative aimed at cleaning up and restoring the ecological and recreational quality of the Mapocho River in Santiago, Chile.
  • E. Hanoi hydrological network
    The Hanoi hydrological network is the interconnected system of rivers, canals, and waterways that drains and supplies water to the Hanoi region in northern Vietnam.
  • 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: Nairobi urban drainage network
Triple: [Kirichwa River, partOf, Nairobi urban drainage network]
Generated description
The Nairobi urban drainage network is the integrated system of natural waterways and engineered channels that manages stormwater and surface runoff across Kenya’s capital city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nairobi urban drainage network
Target entity description: The Nairobi urban drainage network is the integrated system of natural waterways and engineered channels that manages stormwater and surface runoff across Kenya’s capital city.
  • A. Nairobi Rivers Basin Programme (NRBP)
    The Nairobi Rivers Basin Programme (NRBP) is an environmental initiative focused on rehabilitating, conserving, and sustainably managing the Nairobi River and its surrounding basin.
  • B. Recife urban hydrological network
    The Recife urban hydrological network is the interconnected system of rivers, canals, and drainage waterways that shapes the city’s water management, flood dynamics, and coastal environment.
  • C. Water Resources Authority of Kenya
    The Water Resources Authority of Kenya is a national government agency responsible for regulating, conserving, and managing the country’s water resources and river basins.
  • D. Mapocho Urbano Limpio project
    The Mapocho Urbano Limpio project is an environmental initiative aimed at cleaning up and restoring the ecological and recreational quality of the Mapocho River in Santiago, Chile.
  • E. Hanoi hydrological network
    The Hanoi hydrological network is the interconnected system of rivers, canals, and waterways that drains and supplies water to the Hanoi region in northern Vietnam.
  • F. None of above. chosen

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_69d6aa609f008190a294200aefcb7bd5 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d732f7ad408190af4727dd9d459498 completed April 9, 2026, 5:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69de564748ac8190beaaea44bb2d95ed completed April 14, 2026, 2:59 p.m.
NEDg Description generation batch_69de5eae7ab88190a0c512cfe61e3458 completed April 14, 2026, 3:35 p.m.
NED2 Entity disambiguation (via description) batch_69de60907e1081908405b6d71adbd388 completed April 14, 2026, 3:43 p.m.
Created at: April 8, 2026, 9:17 p.m.