Triple

T22107989
Position Surface form Disambiguated ID Type / Status
Subject Lyman County, South Dakota E546337 entity
Predicate containsProtectedArea P855 FINISHED
Object Big Bend Dam recreation areas on the Missouri River — NE NERFINISHED

How this triple was built (3 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: Big Bend Dam recreation areas on the Missouri River | Statement: [Lyman County, South Dakota, containsProtectedArea, Big Bend Dam recreation areas on the Missouri River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Big Bend Dam recreation areas on the Missouri River
Context triple: [Lyman County, South Dakota, containsProtectedArea, Big Bend Dam recreation areas on the Missouri River]
  • A. Big Bend of the Missouri River
    Big Bend of the Missouri River is a large, dramatic meander in the Missouri River in central South Dakota, notable for its sweeping horseshoe-shaped curve and historical significance to river navigation and exploration.
  • B. Missouri National Recreational River region
    The Missouri National Recreational River region is a protected stretch of the Missouri River and its surrounding landscapes along the Nebraska–South Dakota border, known for its relatively free-flowing waters, scenic bluffs, and rich cultural and natural history.
  • C. Missouri River shoreline
    The Missouri River shoreline in Gregory County, South Dakota is a scenic stretch of riverfront known for its bluffs, wildlife habitat, and opportunities for fishing, boating, and outdoor recreation.
  • D. Missouri River reservoir system
    The Missouri River reservoir system is a network of large dams and reservoirs along the Missouri River designed primarily for flood control, hydroelectric power generation, irrigation, navigation, and recreation.
  • E. Missouri Headwaters State Park
    Missouri Headwaters State Park is a protected natural and historical area in Montana that preserves the scenic confluence where the Jefferson, Madison, and Gallatin rivers form the Missouri River.
  • 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: Big Bend Dam recreation areas on the Missouri River
Target entity description: Big Bend Dam recreation areas on the Missouri River are a series of public lands and facilities around the Big Bend Dam that offer opportunities for boating, fishing, camping, and other outdoor recreation along the river.
  • A. Big Bend of the Missouri River
    Big Bend of the Missouri River is a large, dramatic meander in the Missouri River in central South Dakota, notable for its sweeping horseshoe-shaped curve and historical significance to river navigation and exploration.
  • B. Missouri National Recreational River region
    The Missouri National Recreational River region is a protected stretch of the Missouri River and its surrounding landscapes along the Nebraska–South Dakota border, known for its relatively free-flowing waters, scenic bluffs, and rich cultural and natural history.
  • C. Missouri River shoreline
    The Missouri River shoreline in Gregory County, South Dakota is a scenic stretch of riverfront known for its bluffs, wildlife habitat, and opportunities for fishing, boating, and outdoor recreation.
  • D. Missouri River reservoir system chosen
    The Missouri River reservoir system is a network of large dams and reservoirs along the Missouri River designed primarily for flood control, hydroelectric power generation, irrigation, navigation, and recreation.
  • E. Missouri Headwaters State Park
    Missouri Headwaters State Park is a protected natural and historical area in Montana that preserves the scenic confluence where the Jefferson, Madison, and Gallatin rivers form the Missouri River.
  • F. None of above.

Provenance (2 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_69e11e378dc08190896d6a51597afd5a completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1291adc74819092c7753bb6f3768d completed April 28, 2026, 9:39 p.m.
Created at: April 16, 2026, 8:30 p.m.