Triple

T1221922
Position Surface form Disambiguated ID Type / Status
Subject Maule River E26240 entity
Predicate hydropowerPlant P15311 FINISHED
Object Colbún Dam
Colbún Dam is a major hydroelectric dam in Chile that generates power from the Maule River and plays a key role in the country’s energy supply.
E152432 NE FINISHED

How this triple was built (5 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: Colbún Dam | Statement: [Maule River, hydropowerPlant, Colbún Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Colbún Dam
Context triple: [Maule River, hydropowerPlant, Colbún Dam]
  • A. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • B. Red Rock Dam
    Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
  • C. San Andreas Dam
    San Andreas Dam is an earth-fill embankment dam in San Mateo County, California, that impounds San Andreas Lake as part of the Hetch Hetchy Regional Water System serving the San Francisco Bay Area.
  • D. Hollywood Dam
    Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
  • E. Stampede Dam
    Stampede Dam is a major earthfill dam in Nevada County, California, that creates Stampede Reservoir on the Little Truckee River for water storage, flood control, and wildlife habitat.
  • 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: Colbún Dam
Triple: [Maule River, hydropowerPlant, Colbún Dam]
Generated description
Colbún Dam is a major hydroelectric dam in Chile that generates power from the Maule River and plays a key role in the country’s energy supply.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Colbún Dam
Target entity description: Colbún Dam is a major hydroelectric dam in Chile that generates power from the Maule River and plays a key role in the country’s energy supply.
  • A. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • B. Red Rock Dam
    Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
  • C. San Andreas Dam
    San Andreas Dam is an earth-fill embankment dam in San Mateo County, California, that impounds San Andreas Lake as part of the Hetch Hetchy Regional Water System serving the San Francisco Bay Area.
  • D. Hollywood Dam
    Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
  • E. Stampede Dam
    Stampede Dam is a major earthfill dam in Nevada County, California, that creates Stampede Reservoir on the Little Truckee River for water storage, flood control, and wildlife habitat.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hydropowerPlant
Context triple: [Maule River, hydropowerPlant, Colbún Dam]
  • A. powerplant
    Indicates that an entity functions as a facility or installation where energy sources are converted into usable power, typically electricity.
  • B. powerplantType
    Indicates the specific kind or category of power plant associated with an entity, based on how it generates energy.
  • C. powerplantFor
    Indicates that one entity functions as the power plant or primary energy source serving another entity.
  • D. hasHydroelectricProject chosen
    Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
  • E. powerplantRole
    Indicates that one entity serves in a specific functional or operational role relative to a power plant.
  • F. None of above.

Provenance (6 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_69a49484688c8190a1bf285eb396a8b6 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4be206c108190bb8a5d44fc516c98 completed March 1, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69acbf1a58248190a270ae5baa18d0d6 completed March 8, 2026, 12:13 a.m.
NEDg Description generation batch_69acc0ea3ee88190a7938f07d508ed9e completed March 8, 2026, 12:20 a.m.
NED2 Entity disambiguation (via description) batch_69acc13d2168819090bb9d68180b2699 completed March 8, 2026, 12:22 a.m.
PD Predicate disambiguation batch_69a4bb644af08190ba25905f20adb01a completed March 1, 2026, 10:19 p.m.
Created at: March 1, 2026, 7:47 p.m.