Triple

T8406111
Position Surface form Disambiguated ID Type / Status
Subject Alto Guavio Province E198503 entity
Predicate hasFeature P182 FINISHED
Object Alto Guavio Reservoir
Alto Guavio Reservoir is a major hydroelectric and water storage reservoir in central Colombia, known for supporting regional power generation and water management in the Alto Guavio area.
 E734193 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Alto Guavio Reservoir | Statement: [Alto Guavio Province, hasFeature, Alto Guavio Reservoir]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alto Guavio Reservoir
Context triple: [Alto Guavio Province, hasFeature, Alto Guavio Reservoir]
  • A. El Quimbo Reservoir
    El Quimbo Reservoir is an artificial lake in Colombia formed by the El Quimbo Dam, primarily used for hydroelectric power generation and water management.
  • B. Pangue Reservoir
    Pangue Reservoir is an artificial lake in Chile formed by the Pangue Dam on the Biobío River, primarily used for hydroelectric power generation.
  • C. Los Barreales Reservoir
    Los Barreales Reservoir is an artificial lake in Argentina’s Neuquén Province, created on the Neuquén River and known for hydroelectric use, water regulation, and nearby paleontological sites.
  • D. La Paloma Reservoir
    La Paloma Reservoir is a major artificial lake in Chile’s Coquimbo Region, known for supporting irrigation and water supply in the Monte Patria area.
  • E. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alto Guavio Reservoir
Target entity description: Alto Guavio Reservoir is a major hydroelectric and water storage reservoir in central Colombia, known for supporting regional power generation and water management in the Alto Guavio area.
  • A. El Quimbo Reservoir
    El Quimbo Reservoir is an artificial lake in Colombia formed by the El Quimbo Dam, primarily used for hydroelectric power generation and water management.
  • B. Pangue Reservoir
    Pangue Reservoir is an artificial lake in Chile formed by the Pangue Dam on the Biobío River, primarily used for hydroelectric power generation.
  • C. Los Barreales Reservoir
    Los Barreales Reservoir is an artificial lake in Argentina’s Neuquén Province, created on the Neuquén River and known for hydroelectric use, water regulation, and nearby paleontological sites.
  • D. La Paloma Reservoir
    La Paloma Reservoir is a major artificial lake in Chile’s Coquimbo Region, known for supporting irrigation and water supply in the Monte Patria area.
  • E. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Alto Guavio Reservoir
Triple: [Alto Guavio Province, hasFeature, Alto Guavio Reservoir]
Generated description
Alto Guavio Reservoir is a major hydroelectric and water storage reservoir in central Colombia, known for supporting regional power generation and water management in the Alto Guavio area.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca8310df9c8190b25f16161cca3e41 elicitation completed
NER batch_69cb8312941c8190af0b2def0a4e02be ner completed
NED1 batch_69ce1d34214481908503c662eb060ff7 ned_source_triple completed
NED2 batch_69ce205313fc8190863dbc6c904ef1af ned_description completed
NEDg batch_69ce1fb008988190ae8e148cd937f5c4 nedg completed
Created at: March 30, 2026, 6:05 p.m.