Triple

T7268068
Position Surface form Disambiguated ID Type / Status
Subject Sanaga River E161028 entity
Predicate hasHydroelectricProject P15311 FINISHED
Object Nachtigal Hydropower Project
The Nachtigal Hydropower Project is a major hydroelectric dam and power station in Cameroon designed to significantly boost the country’s electricity generation capacity.
 E652901 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: Nachtigal Hydropower Project | Statement: [Sanaga River, hasHydroelectricProject, Nachtigal Hydropower Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nachtigal Hydropower Project
Context triple: [Sanaga River, hasHydroelectricProject, Nachtigal Hydropower Project]
  • A. Karot Hydropower Project
    The Karot Hydropower Project is a major run-of-river hydroelectric power plant on the Jhelum River in Pakistan, developed under the China–Pakistan Economic Corridor to boost the country’s electricity generation capacity.
  • B. Shimsha Hydroelectric Project
    Shimsha Hydroelectric Project is one of Karnataka’s early hydroelectric power stations, built on the Shimsha River to generate electricity using its water flow.
  • C. Baspa II Hydroelectric Project
    Baspa II Hydroelectric Project is a run-of-the-river hydroelectric power plant in Himachal Pradesh, India, that harnesses the Baspa River to generate electricity.
  • D. Punatsangchhu-I Hydroelectric Project
    Punatsangchhu-I Hydroelectric Project is a major run-of-the-river hydropower plant under construction in Bhutan, developed with Indian assistance to generate electricity for domestic use and export.
  • E. Teesta V Hydroelectric Project
    Teesta V Hydroelectric Project is a major hydroelectric power station in Sikkim, India, harnessing the Teesta River to generate electricity for the region.
  • 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: Nachtigal Hydropower Project
Triple: [Sanaga River, hasHydroelectricProject, Nachtigal Hydropower Project]
Generated description
The Nachtigal Hydropower Project is a major hydroelectric dam and power station in Cameroon designed to significantly boost the country’s electricity generation capacity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nachtigal Hydropower Project
Target entity description: The Nachtigal Hydropower Project is a major hydroelectric dam and power station in Cameroon designed to significantly boost the country’s electricity generation capacity.
  • A. Karot Hydropower Project
    The Karot Hydropower Project is a major run-of-river hydroelectric power plant on the Jhelum River in Pakistan, developed under the China–Pakistan Economic Corridor to boost the country’s electricity generation capacity.
  • B. Shimsha Hydroelectric Project
    Shimsha Hydroelectric Project is one of Karnataka’s early hydroelectric power stations, built on the Shimsha River to generate electricity using its water flow.
  • C. Baspa II Hydroelectric Project
    Baspa II Hydroelectric Project is a run-of-the-river hydroelectric power plant in Himachal Pradesh, India, that harnesses the Baspa River to generate electricity.
  • D. Punatsangchhu-I Hydroelectric Project
    Punatsangchhu-I Hydroelectric Project is a major run-of-the-river hydropower plant under construction in Bhutan, developed with Indian assistance to generate electricity for domestic use and export.
  • E. Teesta V Hydroelectric Project
    Teesta V Hydroelectric Project is a major hydroelectric power station in Sikkim, India, harnessing the Teesta River to generate electricity for the region.
  • 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_69c6885181008190b419040e22939c7c completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6eae8cc288190bc3ae3c7b38980d0 completed March 27, 2026, 8:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7db1e4f9c8190a23ce5a35073b7c7 completed March 28, 2026, 1:43 p.m.
NEDg Description generation batch_69c7dbd350a08190aa34ada9ba8d39ce completed March 28, 2026, 1:46 p.m.
NED2 Entity disambiguation (via description) batch_69c7dc7cb2d48190a40523eb7b03a9ef completed March 28, 2026, 1:49 p.m.
Created at: March 27, 2026, 2:58 p.m.