Triple

T13483083
Position Surface form Disambiguated ID Type / Status
Subject Tana River E318420 entity
Predicate hasHydropowerDam P15311 FINISHED
Object Masinga Dam
Masinga Dam is a major hydroelectric and water storage reservoir in Kenya that forms part of the Tana River hydropower cascade.
 E1052757 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: Masinga Dam | Statement: [Tana River, hasHydropowerDam, Masinga Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Masinga Dam
Context triple: [Tana River, hasHydropowerDam, Masinga Dam]
  • A. Binga Dam
    Binga Dam is a major hydroelectric dam in the Philippines that harnesses the flow of the Agno River for power generation and water management.
  • B. Usuma Dam
    Usuma Dam is a major water reservoir near Abuja, Nigeria, that supplies potable water to the capital and serves as a key component of the region’s water infrastructure.
  • C. Rantembe Dam
    Rantembe Dam is a hydroelectric and irrigation dam in Sri Lanka that forms part of the Mahaweli River development scheme.
  • D. Bariri Dam
    Bariri Dam is a hydroelectric and river regulation structure located on Brazil’s Tietê River, contributing to regional power generation and water management.
  • E. Wyangala Dam
    Wyangala Dam is a major water storage and flood mitigation reservoir in New South Wales, Australia, serving irrigation, water supply, and recreational purposes.
  • 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: Masinga Dam
Triple: [Tana River, hasHydropowerDam, Masinga Dam]
Generated description
Masinga Dam is a major hydroelectric and water storage reservoir in Kenya that forms part of the Tana River hydropower cascade.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Masinga Dam
Target entity description: Masinga Dam is a major hydroelectric and water storage reservoir in Kenya that forms part of the Tana River hydropower cascade.
  • A. Binga Dam
    Binga Dam is a major hydroelectric dam in the Philippines that harnesses the flow of the Agno River for power generation and water management.
  • B. Usuma Dam
    Usuma Dam is a major water reservoir near Abuja, Nigeria, that supplies potable water to the capital and serves as a key component of the region’s water infrastructure.
  • C. Rantembe Dam
    Rantembe Dam is a hydroelectric and irrigation dam in Sri Lanka that forms part of the Mahaweli River development scheme.
  • D. Bariri Dam
    Bariri Dam is a hydroelectric and river regulation structure located on Brazil’s Tietê River, contributing to regional power generation and water management.
  • E. Wyangala Dam
    Wyangala Dam is a major water storage and flood mitigation reservoir in New South Wales, Australia, serving irrigation, water supply, and recreational purposes.
  • 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_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_69f78ad8903c8190afbf15234a81d657 completed May 3, 2026, 5:50 p.m.
NEDg Description generation batch_69f78c8d68f081909f5e6b8ab05a3ce2 completed May 3, 2026, 5:57 p.m.
NED2 Entity disambiguation (via description) batch_69f78d6d74bc8190ad5476a06e8fd8ad completed May 3, 2026, 6:01 p.m.
Created at: April 9, 2026, 9:42 p.m.