Triple

T20395264
Position Surface form Disambiguated ID Type / Status
Subject Norsk Hydro E500185 entity
Predicate builtFacility P64678 FINISHED
Object Rjukanfossen power plant
Rjukanfossen power plant is an early 20th-century Norwegian hydroelectric facility developed by Norsk Hydro to harness the Rjukanfossen waterfall for large-scale industrial power production.
 E1428497 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: Rjukanfossen power plant | Statement: [Norsk Hydro, builtFacility, Rjukanfossen power plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rjukanfossen power plant
Context triple: [Norsk Hydro, builtFacility, Rjukanfossen power plant]
  • A. 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.
  • B. 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.
  • C. Geithusfoss power station
    Geithusfoss power station is a hydroelectric facility located on the Drammenselva river in Norway, generating renewable power from the river’s flow.
  • D. Døvikfoss power station
    Døvikfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s waterfall.
  • E. 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.
  • 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: Rjukanfossen power plant
Triple: [Norsk Hydro, builtFacility, Rjukanfossen power plant]
Generated description
Rjukanfossen power plant is an early 20th-century Norwegian hydroelectric facility developed by Norsk Hydro to harness the Rjukanfossen waterfall for large-scale industrial power production.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rjukanfossen power plant
Target entity description: Rjukanfossen power plant is an early 20th-century Norwegian hydroelectric facility developed by Norsk Hydro to harness the Rjukanfossen waterfall for large-scale industrial power production.
  • A. 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.
  • B. 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.
  • C. Geithusfoss power station
    Geithusfoss power station is a hydroelectric facility located on the Drammenselva river in Norway, generating renewable power from the river’s flow.
  • D. Døvikfoss power station
    Døvikfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s waterfall.
  • E. 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.
  • 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_69e0b4a71ebc8190b153a36c738730f4 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e67912d7948190ac2fda8ce95e5c70 completed April 20, 2026, 7:05 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08762804ac81909e90e7983246cb28 completed May 16, 2026, 1:50 p.m.
NEDg Description generation batch_6a0877d6b364819080b5e701acea02aa completed May 16, 2026, 1:57 p.m.
NED2 Entity disambiguation (via description) batch_6a08787cfe6c8190881554ead3cfd248 completed May 16, 2026, 2 p.m.
Created at: April 16, 2026, 11:28 a.m.