Triple

T10177033
Position Surface form Disambiguated ID Type / Status
Subject Belle Fourche River E235879 entity
Predicate hasDam P8736 FINISHED
Object Belle Fourche Dam
Belle Fourche Dam is an early 20th-century earthen dam in western South Dakota, notable for creating the Belle Fourche Reservoir to support irrigation and water management in the region.
E846273 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: Belle Fourche Dam | Statement: [Belle Fourche River, hasDam, Belle Fourche Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Belle Fourche Dam
Context triple: [Belle Fourche River, hasDam, Belle Fourche Dam]
  • A. Copeton Dam
    Copeton Dam is a large water storage and recreational reservoir on the Gwydir River in New South Wales, Australia, popular for fishing, boating, and camping.
  • B. Hungry Horse Dam
    Hungry Horse Dam is a large concrete arch dam on Montana’s South Fork Flathead River, built for hydroelectric power generation, flood control, and water storage as part of the broader Columbia River system.
  • C. Blue Mesa Dam
    Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
  • D. LaBarge Dam
    LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
  • E. Moose Creek Dam
    Moose Creek Dam is a major flood-control structure on Alaska’s Chena River that protects the city of Fairbanks and surrounding areas from seasonal flooding.
  • 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: Belle Fourche Dam
Triple: [Belle Fourche River, hasDam, Belle Fourche Dam]
Generated description
Belle Fourche Dam is an early 20th-century earthen dam in western South Dakota, notable for creating the Belle Fourche Reservoir to support irrigation and water management in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Belle Fourche Dam
Target entity description: Belle Fourche Dam is an early 20th-century earthen dam in western South Dakota, notable for creating the Belle Fourche Reservoir to support irrigation and water management in the region.
  • A. Copeton Dam
    Copeton Dam is a large water storage and recreational reservoir on the Gwydir River in New South Wales, Australia, popular for fishing, boating, and camping.
  • B. Hungry Horse Dam
    Hungry Horse Dam is a large concrete arch dam on Montana’s South Fork Flathead River, built for hydroelectric power generation, flood control, and water storage as part of the broader Columbia River system.
  • C. Blue Mesa Dam
    Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
  • D. LaBarge Dam
    LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
  • E. Moose Creek Dam
    Moose Creek Dam is a major flood-control structure on Alaska’s Chena River that protects the city of Fairbanks and surrounding areas from seasonal flooding.
  • 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_69ca84d1d5f88190ab878a1021ecff68 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cdecd4e3188190aa5d9ee95595f4a7 completed April 2, 2026, 4:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69d301232e5c8190ad80c4e78681994c completed April 6, 2026, 12:41 a.m.
NEDg Description generation batch_69d3028994fc81908507449a10e7e093 completed April 6, 2026, 12:47 a.m.
NED2 Entity disambiguation (via description) batch_69d3031ed1e88190b9906338285a6e46 completed April 6, 2026, 12:49 a.m.
Created at: March 30, 2026, 9:11 p.m.