Triple

T9525625
Position Surface form Disambiguated ID Type / Status
Subject Ruhrverband E229752 entity
Predicate manages P86 FINISHED
Object Hengstey Reservoir
Hengstey Reservoir is a man-made lake on the Ruhr River in Germany, primarily used for water management, recreation, and energy production.
 E812575 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: Hengstey Reservoir | Statement: [Ruhrverband, manages, Hengstey Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hengstey Reservoir
Context triple: [Ruhrverband, manages, Hengstey Reservoir]
  • A. Hillend Reservoir
    Hillend Reservoir is a man-made lake in North Lanarkshire, Scotland, used primarily for water supply and recreational activities such as fishing and walking.
  • B. Henne Reservoir
    Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
  • C. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • D. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • E. Harperrig Reservoir
    Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
  • 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: Hengstey Reservoir
Triple: [Ruhrverband, manages, Hengstey Reservoir]
Generated description
Hengstey Reservoir is a man-made lake on the Ruhr River in Germany, primarily used for water management, recreation, and energy production.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hengstey Reservoir
Target entity description: Hengstey Reservoir is a man-made lake on the Ruhr River in Germany, primarily used for water management, recreation, and energy production.
  • A. Hillend Reservoir
    Hillend Reservoir is a man-made lake in North Lanarkshire, Scotland, used primarily for water supply and recreational activities such as fishing and walking.
  • B. Henne Reservoir
    Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
  • C. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • D. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • E. Harperrig Reservoir
    Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
  • 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_69ca847870a881909d8d751a7d29da39 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd989b529c81909ee18dd3d468c816 completed April 1, 2026, 10:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1820ed0c88190a91652965077755a completed April 4, 2026, 9:26 p.m.
NEDg Description generation batch_69d182ef83e881908a579b6a696ebdc3 completed April 4, 2026, 9:30 p.m.
NED2 Entity disambiguation (via description) batch_69d1836f1be48190a172834ce9eaafe3 completed April 4, 2026, 9:32 p.m.
Created at: March 30, 2026, 7:59 p.m.