Triple

T10547432
Position Surface form Disambiguated ID Type / Status
Subject North Platte River E248857 entity
Predicate hasDam P8736 FINISHED
Object Guernsey Dam
Guernsey Dam is a concrete arch-gravity dam in eastern Wyoming that creates Guernsey Reservoir and plays a key role in irrigation and water management in the North Platte River Basin.
E904995 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Guernsey Dam | Statement: [North Platte River, hasDam, Guernsey Dam]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Guernsey Dam
Context triple: [North Platte River, hasDam, Guernsey Dam]
  • A. Gardiner Dam
    Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
  • B. Irving Dam
    Irving Dam is a man-made structure on Michigan’s Thornapple River used primarily for water level control and related river management.
  • C. Granby Dam
    Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
  • D. Dartmouth Dam
    Dartmouth Dam is a major rockfill embankment dam in Victoria, Australia, forming the Dartmouth Reservoir and playing a key role in water storage and flow regulation in the Murray–Darling Basin.
  • E. Faraday Dam
    Faraday Dam is a hydroelectric dam located on the Clackamas River in Oregon, used for power generation and river flow management.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Guernsey Dam
Target entity description: Guernsey Dam is a concrete arch-gravity dam in eastern Wyoming that creates Guernsey Reservoir and plays a key role in irrigation and water management in the North Platte River Basin.
  • A. Gardiner Dam
    Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
  • B. Irving Dam
    Irving Dam is a man-made structure on Michigan’s Thornapple River used primarily for water level control and related river management.
  • C. Granby Dam
    Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
  • D. Dartmouth Dam
    Dartmouth Dam is a major rockfill embankment dam in Victoria, Australia, forming the Dartmouth Reservoir and playing a key role in water storage and flow regulation in the Murray–Darling Basin.
  • E. Faraday Dam
    Faraday Dam is a hydroelectric dam located on the Clackamas River in Oregon, used for power generation and river flow management.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Guernsey Dam
Triple: [North Platte River, hasDam, Guernsey Dam]
Generated description
Guernsey Dam is a concrete arch-gravity dam in eastern Wyoming that creates Guernsey Reservoir and plays a key role in irrigation and water management in the North Platte River Basin.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d381c733c08190ab1dd6239f5f34ae elicitation completed
NER batch_69d526d20ef48190ab9f70d4ce5f2a11 ner completed
NED1 batch_69e42d448fac81909137b0a0ed9b976e ned_source_triple completed
NED2 batch_69e4308103c48190b32ee3047d9a0860 ned_description completed
NEDg batch_69e42e67724481908bd9e73487a80d44 nedg completed
Created at: April 6, 2026, 12:33 p.m.