Triple

T7957046
Position Surface form Disambiguated ID Type / Status
Subject Rapel River E184765 entity
Predicate hasDam P8736 FINISHED
Object Rapel Dam
Rapel Dam is a major hydroelectric and irrigation dam in central Chile that forms the Rapel Reservoir on the Rapel River.
 E720076 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: Rapel Dam | Statement: [Rapel River, hasDam, Rapel Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rapel Dam
Context triple: [Rapel River, hasDam, Rapel Dam]
  • A. Karapiro Dam
    Karapiro Dam is a major hydroelectric dam in New Zealand that forms Lake Karapiro and plays a key role in power generation and water management on the Waikato River.
  • B. Angostura Dam
    Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
  • C. Angostura Dam
    Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
  • D. Pehuenche Dam
    Pehuenche Dam is a hydroelectric dam on the upper Bío Bío River in Chile, forming part of a cascade of power-generating reservoirs in the Andean foothills.
  • E. Salto Grande Dam
    Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
  • 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: Rapel Dam
Triple: [Rapel River, hasDam, Rapel Dam]
Generated description
Rapel Dam is a major hydroelectric and irrigation dam in central Chile that forms the Rapel Reservoir on the Rapel River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rapel Dam
Target entity description: Rapel Dam is a major hydroelectric and irrigation dam in central Chile that forms the Rapel Reservoir on the Rapel River.
  • A. Karapiro Dam
    Karapiro Dam is a major hydroelectric dam in New Zealand that forms Lake Karapiro and plays a key role in power generation and water management on the Waikato River.
  • B. Angostura Dam
    Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
  • C. Angostura Dam
    Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
  • D. Pehuenche Dam
    Pehuenche Dam is a hydroelectric dam on the upper Bío Bío River in Chile, forming part of a cascade of power-generating reservoirs in the Andean foothills.
  • E. Salto Grande Dam
    Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
  • 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_69ca8292cba881908a64427b938dac47 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3b7d36c081908cc8760a0dbf6001 completed March 31, 2026, 3:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd33cf48188190b57ac2fb1dbfa771 completed April 1, 2026, 3:03 p.m.
NEDg Description generation batch_69cd36ecc1d88190a978f1d51b0e1382 completed April 1, 2026, 3:17 p.m.
NED2 Entity disambiguation (via description) batch_69cd4e7822e48190bb573162f224bd8c completed April 1, 2026, 4:57 p.m.
Created at: March 30, 2026, 5:11 p.m.