Triple

T12408560
Position Surface form Disambiguated ID Type / Status
Subject Waverly, Iowa E296451 entity
Predicate hasFeature P182 FINISHED
Object Cedar River dam
Cedar River Dam is a river dam located on the Cedar River in Waverly, Iowa, used primarily for water management and recreation.
E1076961 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: Cedar River dam | Statement: [Waverly, Iowa, hasFeature, Cedar River dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cedar River dam
Context triple: [Waverly, Iowa, hasFeature, Cedar River dam]
  • A. Coon Rapids Dam
    Coon Rapids Dam is a historic hydroelectric dam and regional park feature spanning the Mississippi River in Coon Rapids, Minnesota.
  • B. Coralville Dam
    Coralville Dam is a flood-control and recreational dam on the Iowa River in Iowa, known for exposing the nearby Devonian Fossil Gorge after major flood events.
  • C. Thief River Falls Dam
    Thief River Falls Dam is a river dam located in Thief River Falls, Minnesota, that impounds the Red Lake River for purposes such as flood control, recreation, and local water management.
  • D. Lanesboro Dam
    Lanesboro Dam is a historic river dam in Lanesboro, Minnesota, that serves as a scenic landmark and popular spot for visitors enjoying the town’s outdoor recreation and small-town charm.
  • E. Priest Rapids Dam
    Priest Rapids Dam is a hydroelectric dam on the Columbia River in Washington State that generates power and helps regulate river flow as part of the region’s larger hydropower system.
  • 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: Cedar River dam
Triple: [Waverly, Iowa, hasFeature, Cedar River dam]
Generated description
Cedar River Dam is a river dam located on the Cedar River in Waverly, Iowa, used primarily for water management and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cedar River dam
Target entity description: Cedar River Dam is a river dam located on the Cedar River in Waverly, Iowa, used primarily for water management and recreation.
  • A. Coon Rapids Dam
    Coon Rapids Dam is a historic hydroelectric dam and regional park feature spanning the Mississippi River in Coon Rapids, Minnesota.
  • B. Coralville Dam
    Coralville Dam is a flood-control and recreational dam on the Iowa River in Iowa, known for exposing the nearby Devonian Fossil Gorge after major flood events.
  • C. Thief River Falls Dam
    Thief River Falls Dam is a river dam located in Thief River Falls, Minnesota, that impounds the Red Lake River for purposes such as flood control, recreation, and local water management.
  • D. Lanesboro Dam
    Lanesboro Dam is a historic river dam in Lanesboro, Minnesota, that serves as a scenic landmark and popular spot for visitors enjoying the town’s outdoor recreation and small-town charm.
  • E. Priest Rapids Dam
    Priest Rapids Dam is a hydroelectric dam on the Columbia River in Washington State that generates power and helps regulate river flow as part of the region’s larger hydropower system.
  • 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_69d6ad9f464c81909db36d7e96e34b9e completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94d4a08e0819085c656e35038e6b2 completed April 10, 2026, 7:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69fbc30d72588190a1ebab7477c9e668 completed May 6, 2026, 10:39 p.m.
NEDg Description generation batch_69fc7f422e488190b568b784f841c950 completed May 7, 2026, 12:02 p.m.
NED2 Entity disambiguation (via description) batch_69fc7fb1d8c481909d2bf58308f64bb9 completed May 7, 2026, 12:04 p.m.
Created at: April 8, 2026, 9:55 p.m.