Triple

T11604288
Position Surface form Disambiguated ID Type / Status
Subject Periyar River E275212 entity
Predicate hasHydroelectricProject P15311 FINISHED
Object Lower Periyar Hydroelectric Project
The Lower Periyar Hydroelectric Project is a hydroelectric power station in Kerala, India, that harnesses the flow of the Periyar River to generate electricity for the region.
 E939952 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: Lower Periyar Hydroelectric Project | Statement: [Periyar River, hasHydroelectricProject, Lower Periyar Hydroelectric Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lower Periyar Hydroelectric Project
Context triple: [Periyar River, hasHydroelectricProject, Lower Periyar Hydroelectric Project]
  • A. Idukki Hydroelectric Project
    The Idukki Hydroelectric Project is a major hydroelectric power station in Kerala, India, known for its arch dam complex and significant contribution to the state's electricity supply.
  • B. Idamalayar Hydroelectric Project
    Idamalayar Hydroelectric Project is a major hydroelectric power station in Kerala, India, that harnesses the waters of the Periyar River to generate electricity.
  • C. Ujjani Hydroelectric Project
    Ujjani Hydroelectric Project is a power-generating facility in Maharashtra, India, that harnesses the water stored by the Ujjani Dam to produce hydroelectric energy.
  • D. Tungabhadra Hydroelectric Project
    The Tungabhadra Hydroelectric Project is a major dam-based power generation and irrigation complex on the Tungabhadra River in southern India.
  • E. Umiam Hydel Project
    Umiam Hydel Project is a hydroelectric power generation project in Meghalaya, India, that utilizes the waters of Umiam Lake to produce electricity.
  • 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: Lower Periyar Hydroelectric Project
Triple: [Periyar River, hasHydroelectricProject, Lower Periyar Hydroelectric Project]
Generated description
The Lower Periyar Hydroelectric Project is a hydroelectric power station in Kerala, India, that harnesses the flow of the Periyar River to generate electricity for the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lower Periyar Hydroelectric Project
Target entity description: The Lower Periyar Hydroelectric Project is a hydroelectric power station in Kerala, India, that harnesses the flow of the Periyar River to generate electricity for the region.
  • A. Idukki Hydroelectric Project
    The Idukki Hydroelectric Project is a major hydroelectric power station in Kerala, India, known for its arch dam complex and significant contribution to the state's electricity supply.
  • B. Idamalayar Hydroelectric Project
    Idamalayar Hydroelectric Project is a major hydroelectric power station in Kerala, India, that harnesses the waters of the Periyar River to generate electricity.
  • C. Ujjani Hydroelectric Project
    Ujjani Hydroelectric Project is a power-generating facility in Maharashtra, India, that harnesses the water stored by the Ujjani Dam to produce hydroelectric energy.
  • D. Tungabhadra Hydroelectric Project
    The Tungabhadra Hydroelectric Project is a major dam-based power generation and irrigation complex on the Tungabhadra River in southern India.
  • E. Umiam Hydel Project
    Umiam Hydel Project is a hydroelectric power generation project in Meghalaya, India, that utilizes the waters of Umiam Lake to produce electricity.
  • 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_69d6aaf84b548190ac072e4fb89ae18f completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d895502e0081909ee9c3d45d26cd91 completed April 10, 2026, 6:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef131cb534819099f9371c45c717c4 completed April 27, 2026, 7:41 a.m.
NEDg Description generation batch_69ef354b3b3c8190b1c91dbf9c705a7d completed April 27, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69ef5170ce9881908f2ecf3d5ada809a completed April 27, 2026, 12:07 p.m.
Created at: April 8, 2026, 9:38 p.m.