Triple

T10398708
Position Surface form Disambiguated ID Type / Status
Subject Sirdal municipality E245086 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object Tonstad Hydropower Station
Tonstad Hydropower Station is one of Norway’s largest hydroelectric power plants, known for its significant electricity production and role in the country’s renewable energy supply.
 E861088 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: Tonstad Hydropower Station | Statement: [Sirdal municipality, hasHydropowerPlant, Tonstad Hydropower Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tonstad Hydropower Station
Context triple: [Sirdal municipality, hasHydropowerPlant, Tonstad Hydropower Station]
  • A. Lysebotn Hydropower Station
    Lysebotn Hydropower Station is a major Norwegian hydroelectric power plant located at the end of the Lysefjord, known for its large underground facilities and significant electricity production.
  • B. Gravfoss power station
    Gravfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
  • C. Sarpsfossen power station
    Sarpsfossen power station is a hydroelectric power plant in Norway that harnesses the energy of the Glomma River at the Sarpsfossen waterfall to generate electricity.
  • D. Hellefoss power station
    Hellefoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable energy from the river’s flow.
  • E. Åmotfoss power station
    Åmotfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
  • 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: Tonstad Hydropower Station
Triple: [Sirdal municipality, hasHydropowerPlant, Tonstad Hydropower Station]
Generated description
Tonstad Hydropower Station is one of Norway’s largest hydroelectric power plants, known for its significant electricity production and role in the country’s renewable energy supply.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tonstad Hydropower Station
Target entity description: Tonstad Hydropower Station is one of Norway’s largest hydroelectric power plants, known for its significant electricity production and role in the country’s renewable energy supply.
  • A. Lysebotn Hydropower Station
    Lysebotn Hydropower Station is a major Norwegian hydroelectric power plant located at the end of the Lysefjord, known for its large underground facilities and significant electricity production.
  • B. Gravfoss power station
    Gravfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
  • C. Sarpsfossen power station
    Sarpsfossen power station is a hydroelectric power plant in Norway that harnesses the energy of the Glomma River at the Sarpsfossen waterfall to generate electricity.
  • D. Hellefoss power station
    Hellefoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable energy from the river’s flow.
  • E. Åmotfoss power station
    Åmotfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
  • 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_69d381b5116081908d85227bab6d3c0c completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e9d1f2408190beaa8197641c66b4 completed April 7, 2026, 11:26 a.m.
NED1 Entity disambiguation (via context triple) batch_69d7fbc759a08190be677bf5458af0c8 completed April 9, 2026, 7:19 p.m.
NEDg Description generation batch_69d81c40dc6081908cc186ee6cd0814e completed April 9, 2026, 9:38 p.m.
NED2 Entity disambiguation (via description) batch_69d8277fbf0881908a1e16d6c07886e6 completed April 9, 2026, 10:26 p.m.
Created at: April 6, 2026, 12:07 p.m.