Triple

T4571143
Position Surface form Disambiguated ID Type / Status
Subject Chena River E123031 entity
Predicate hasFloodControlStructure P25010 FINISHED
Object Chena River Lakes Flood Control Project
The Chena River Lakes Flood Control Project is a U.S. Army Corps of Engineers system of dams, levees, and related structures near Fairbanks, Alaska, designed to reduce flooding along the Chena River and protect surrounding communities.
E454167 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: Chena River Lakes Flood Control Project | Statement: [Chena River, hasFloodControlStructure, Chena River Lakes Flood Control Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chena River Lakes Flood Control Project
Context triple: [Chena River, hasFloodControlStructure, Chena River Lakes Flood Control Project]
  • A. Colorado-Big Thompson Project
    The Colorado-Big Thompson Project is a major transbasin water diversion and storage system in Colorado that delivers Colorado River water to the arid eastern plains for agriculture, cities, and industry.
  • B. Klamath Project
    The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
  • C. Columbia Basin Project
    The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
  • D. Carroll Creek flood control project
    Carroll Creek flood control project is an urban water management and revitalization initiative in Frederick, Maryland, designed to prevent flooding while supporting public spaces, trails, and downtown redevelopment along Carroll Creek.
  • E. Nolin River Lake project
    The Nolin River Lake project is a U.S. Army Corps of Engineers flood-control and recreation initiative centered on Nolin River Lake in central Kentucky.
  • 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: Chena River Lakes Flood Control Project
Triple: [Chena River, hasFloodControlStructure, Chena River Lakes Flood Control Project]
Generated description
The Chena River Lakes Flood Control Project is a U.S. Army Corps of Engineers system of dams, levees, and related structures near Fairbanks, Alaska, designed to reduce flooding along the Chena River and protect surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chena River Lakes Flood Control Project
Target entity description: The Chena River Lakes Flood Control Project is a U.S. Army Corps of Engineers system of dams, levees, and related structures near Fairbanks, Alaska, designed to reduce flooding along the Chena River and protect surrounding communities.
  • A. Colorado-Big Thompson Project
    The Colorado-Big Thompson Project is a major transbasin water diversion and storage system in Colorado that delivers Colorado River water to the arid eastern plains for agriculture, cities, and industry.
  • B. Klamath Project
    The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
  • C. Columbia Basin Project
    The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
  • D. Carroll Creek flood control project
    Carroll Creek flood control project is an urban water management and revitalization initiative in Frederick, Maryland, designed to prevent flooding while supporting public spaces, trails, and downtown redevelopment along Carroll Creek.
  • E. Nolin River Lake project
    The Nolin River Lake project is a U.S. Army Corps of Engineers flood-control and recreation initiative centered on Nolin River Lake in central Kentucky.
  • 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_69bd46466c7081909d07f36be2d08804 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd58c5afa48190bb8505e2cc16e89f completed March 20, 2026, 2:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdd3cf5e10819099b2927c6f571673 completed March 20, 2026, 11:10 p.m.
NEDg Description generation batch_69bdd7f1efd0819089410e63f853175b completed March 20, 2026, 11:27 p.m.
NED2 Entity disambiguation (via description) batch_69bdd86be2c48190af8011a983f26b0d completed March 20, 2026, 11:29 p.m.
Created at: March 20, 2026, 1:10 p.m.