Triple

T20881187
Position Surface form Disambiguated ID Type / Status
Subject Mississinewa River E514151 entity
Predicate impoundedBy P10781 FINISHED
Object Mississinewa Dam
Mississinewa Dam is a U.S. Army Corps of Engineers flood-control and recreation dam in Indiana that creates Mississinewa Lake on the Mississinewa River.
E1586349 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: Mississinewa Dam | Statement: [Mississinewa River, impoundedBy, Mississinewa Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mississinewa Dam
Context triple: [Mississinewa River, impoundedBy, Mississinewa Dam]
  • A. Buffalo Bill Dam
    Buffalo Bill Dam is a historic concrete arch-gravity dam on the Shoshone River in Wyoming, once one of the tallest in the world and now a key engineering landmark and visitor attraction.
  • B. Minidoka Dam
    Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
  • C. Veazie Dam
    Veazie Dam was a hydroelectric dam on Maine’s Penobscot River that became a focal point of river restoration efforts due to its significant impact on fish migration and river ecology.
  • D. McNary Dam
    McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
  • E. Seminoe Dam
    Seminoe Dam is a concrete arch dam in south-central Wyoming that forms Seminoe Reservoir, providing hydroelectric power, irrigation water storage, and recreation along the North Platte River.
  • 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: Mississinewa Dam
Triple: [Mississinewa River, impoundedBy, Mississinewa Dam]
Generated description
Mississinewa Dam is a U.S. Army Corps of Engineers flood-control and recreation dam in Indiana that creates Mississinewa Lake on the Mississinewa River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mississinewa Dam
Target entity description: Mississinewa Dam is a U.S. Army Corps of Engineers flood-control and recreation dam in Indiana that creates Mississinewa Lake on the Mississinewa River.
  • A. Buffalo Bill Dam
    Buffalo Bill Dam is a historic concrete arch-gravity dam on the Shoshone River in Wyoming, once one of the tallest in the world and now a key engineering landmark and visitor attraction.
  • B. Minidoka Dam
    Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
  • C. Veazie Dam
    Veazie Dam was a hydroelectric dam on Maine’s Penobscot River that became a focal point of river restoration efforts due to its significant impact on fish migration and river ecology.
  • D. McNary Dam
    McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
  • E. Seminoe Dam
    Seminoe Dam is a concrete arch dam in south-central Wyoming that forms Seminoe Reservoir, providing hydroelectric power, irrigation water storage, and recreation along the North Platte River.
  • 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_69e0b4f733f081908a401c0b7beb0b9f completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c67974348190bd3484032c0d7b31 completed April 21, 2026, 12:36 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c676bbdac8190807ad999c0bd6164 completed May 19, 2026, 1:36 p.m.
NEDg Description generation batch_6a0c72132a608190b44c96de39b7187a completed May 19, 2026, 2:22 p.m.
NED2 Entity disambiguation (via description) batch_6a0c76ed37b08190af81b4ae2dc7c028 completed May 19, 2026, 2:42 p.m.
Created at: April 16, 2026, 12:46 p.m.