Triple

T16874570
Position Surface form Disambiguated ID Type / Status
Subject Iowa Falls E421264 entity
Predicate hasRiverFeature P1094 FINISHED
Object Iowa Falls dam
The Iowa Falls dam is a hydroelectric and flood-control structure on the Iowa River in Iowa Falls, Iowa.
E1387423 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: Iowa Falls dam | Statement: [Iowa Falls, hasRiverFeature, Iowa Falls dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Iowa Falls dam
Context triple: [Iowa Falls, hasRiverFeature, Iowa Falls dam]
  • A. 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.
  • B. Chippewa Falls Dam
    Chippewa Falls Dam is a hydroelectric dam on the Chippewa River in Wisconsin that helps generate power and regulate water flow in the region.
  • C. 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.
  • D. Post Falls Dam
    Post Falls Dam is a hydroelectric dam on the Spokane River in northern Idaho that helps generate power and regulate water levels in the region.
  • E. Coon Rapids Dam
    Coon Rapids Dam is a historic hydroelectric dam and regional park feature spanning the Mississippi River in Coon Rapids, Minnesota.
  • 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: Iowa Falls dam
Triple: [Iowa Falls, hasRiverFeature, Iowa Falls dam]
Generated description
The Iowa Falls dam is a hydroelectric and flood-control structure on the Iowa River in Iowa Falls, Iowa.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Iowa Falls dam
Target entity description: The Iowa Falls dam is a hydroelectric and flood-control structure on the Iowa River in Iowa Falls, Iowa.
  • A. 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.
  • B. Chippewa Falls Dam
    Chippewa Falls Dam is a hydroelectric dam on the Chippewa River in Wisconsin that helps generate power and regulate water flow in the region.
  • C. 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.
  • D. Post Falls Dam
    Post Falls Dam is a hydroelectric dam on the Spokane River in northern Idaho that helps generate power and regulate water levels in the region.
  • E. Coon Rapids Dam
    Coon Rapids Dam is a historic hydroelectric dam and regional park feature spanning the Mississippi River in Coon Rapids, Minnesota.
  • 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_69d889d470fc8190b4aec199636c0c56 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e3b7f5290481909e0fd0af30935fcd completed April 18, 2026, 4:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a077ec78090819084a2de678e52cdec completed May 15, 2026, 8:15 p.m.
NEDg Description generation batch_6a077fe7a3d48190bec5fea223209e0b completed May 15, 2026, 8:19 p.m.
NED2 Entity disambiguation (via description) batch_6a07804bcfa8819084953039cef5a5d8 completed May 15, 2026, 8:21 p.m.
Created at: April 10, 2026, 5:29 a.m.