Triple

T16591658
Position Surface form Disambiguated ID Type / Status
Subject Nepean River E403102 entity
Predicate hasDam P8736 FINISHED
Object Nepean Dam
Nepean Dam is a major water supply dam in New South Wales, Australia, forming part of Sydney’s drinking water catchment system.
 E1285780 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: Nepean Dam | Statement: [Nepean River, hasDam, Nepean Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nepean Dam
Context triple: [Nepean River, hasDam, Nepean Dam]
  • A. Manotick Dam
    Manotick Dam is a historic water-control structure on the Rideau River in Manotick, Ontario, known for its role in local milling and as a prominent village landmark.
  • B. Fairbairn Dam
    Fairbairn Dam is a major water storage and irrigation dam in Central Queensland, Australia, primarily serving agricultural and regional water needs near the town of Emerald.
  • C. Lajoie Dam
    Lajoie Dam is a hydroelectric dam on British Columbia’s Bridge River that forms part of the Bridge River Power Project.
  • D. Tulloch Dam
    Tulloch Dam is a concrete gravity dam on the Stanislaus River in California that forms Tulloch Reservoir for irrigation, hydroelectric power generation, and recreation.
  • E. O’Sullivan Dam
    O’Sullivan Dam is a major earth-fill dam in central Washington State that forms Potholes Reservoir and plays a key role in irrigation and water management for the Columbia Basin 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: Nepean Dam
Triple: [Nepean River, hasDam, Nepean Dam]
Generated description
Nepean Dam is a major water supply dam in New South Wales, Australia, forming part of Sydney’s drinking water catchment system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nepean Dam
Target entity description: Nepean Dam is a major water supply dam in New South Wales, Australia, forming part of Sydney’s drinking water catchment system.
  • A. Manotick Dam
    Manotick Dam is a historic water-control structure on the Rideau River in Manotick, Ontario, known for its role in local milling and as a prominent village landmark.
  • B. Fairbairn Dam
    Fairbairn Dam is a major water storage and irrigation dam in Central Queensland, Australia, primarily serving agricultural and regional water needs near the town of Emerald.
  • C. Lajoie Dam
    Lajoie Dam is a hydroelectric dam on British Columbia’s Bridge River that forms part of the Bridge River Power Project.
  • D. Tulloch Dam
    Tulloch Dam is a concrete gravity dam on the Stanislaus River in California that forms Tulloch Reservoir for irrigation, hydroelectric power generation, and recreation.
  • E. O’Sullivan Dam
    O’Sullivan Dam is a major earth-fill dam in central Washington State that forms Potholes Reservoir and plays a key role in irrigation and water management for the Columbia Basin Project.
  • 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_69d88387363c8190a97a0c942130de97 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e359a123e8819095cd73cd848a3345 completed April 18, 2026, 10:14 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0242d952988190b9b3eaca8fa92431 completed May 11, 2026, 8:58 p.m.
NEDg Description generation batch_6a0246f31c8c819097685337f0f14dad completed May 11, 2026, 9:15 p.m.
NED2 Entity disambiguation (via description) batch_6a02478d775c8190ac9d14bd260e7eca completed May 11, 2026, 9:18 p.m.
Created at: April 10, 2026, 5:16 a.m.