Triple

T1241457
Position Surface form Disambiguated ID Type / Status
Subject Biobío River E26665 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object Ralco Dam
Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
E145183 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: Ralco Dam | Statement: [Biobío River, hasHydroelectricDam, Ralco Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ralco Dam
Context triple: [Biobío River, hasHydroelectricDam, Ralco Dam]
  • A. Kabini Dam
    Kabini Dam is a major reservoir and irrigation dam built across the Kabini River in Karnataka, India, supporting water supply, agriculture, and regional wildlife habitats.
  • B. Karcham Wangtoo Dam
    Karcham Wangtoo Dam is a major hydroelectric gravity dam in Himachal Pradesh, India, known for its large underground power station harnessing the Sutlej River in the Himalayas.
  • C. Nathpa Jhakri Dam
    Nathpa Jhakri Dam is a major hydroelectric dam and power project in Himachal Pradesh, India, known as one of the country’s largest underground hydroelectric installations.
  • D. Almatti Dam
    Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
  • E. Pandoh Dam
    Pandoh Dam is an embankment dam in Himachal Pradesh, India, built for hydroelectric power generation and water diversion as part of the Beas Project.
  • 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: Ralco Dam
Triple: [Biobío River, hasHydroelectricDam, Ralco Dam]
Generated description
Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ralco Dam
Target entity description: Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
  • A. Kabini Dam
    Kabini Dam is a major reservoir and irrigation dam built across the Kabini River in Karnataka, India, supporting water supply, agriculture, and regional wildlife habitats.
  • B. Karcham Wangtoo Dam
    Karcham Wangtoo Dam is a major hydroelectric gravity dam in Himachal Pradesh, India, known for its large underground power station harnessing the Sutlej River in the Himalayas.
  • C. Nathpa Jhakri Dam
    Nathpa Jhakri Dam is a major hydroelectric dam and power project in Himachal Pradesh, India, known as one of the country’s largest underground hydroelectric installations.
  • D. Almatti Dam
    Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
  • E. Pandoh Dam
    Pandoh Dam is an embankment dam in Himachal Pradesh, India, built for hydroelectric power generation and water diversion as part of the Beas Project.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasHydroelectricDam
Context triple: [Biobío River, hasHydroelectricDam, Ralco Dam]
  • A. hasHydroelectricProject chosen
    Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
  • B. hasMajorReservoir
    Indicates that an entity possesses or is associated with a primary or significant reservoir (such as a large storage or accumulation of a resource).
  • C. hasSpillway
    Indicates that a dam or similar water-retaining structure is equipped with a spillway for controlled release or overflow of water.
  • D. majorReservoir
    Indicates that one entity functions as a primary or significant water-storage reservoir associated with another entity.
  • E. reservoir
    Indicates that one entity serves as a storage or containment source (often for a resource) that can supply or affect another entity.
  • 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_69a4948689d08190b3a4a3f388c02148 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4bf44ac3c8190a28a333b320305fd completed March 1, 2026, 10:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac997c6acc819099b1ae6e9ef47a8e completed March 7, 2026, 9:32 p.m.
NEDg Description generation batch_69ac99ef5e308190858cf45c0707aa74 completed March 7, 2026, 9:34 p.m.
NED2 Entity disambiguation (via description) batch_69ac9ac980f48190a23da8b222ec7601 completed March 7, 2026, 9:38 p.m.
PD Predicate disambiguation batch_69a4bb696a38819095845c84f0241287 completed March 1, 2026, 10:19 p.m.
Created at: March 1, 2026, 7:47 p.m.