Triple

T11173636
Position Surface form Disambiguated ID Type / Status
Subject Yazoo River basin E264348 entity
Predicate hasFloodControlProject P7637 FINISHED
Object Yazoo Backwater Project
The Yazoo Backwater Project is a long-debated U.S. Army Corps of Engineers flood-control initiative in Mississippi’s Yazoo River basin, best known for its controversial proposed pumping station and its environmental and political disputes.
 E909045 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: Yazoo Backwater Project | Statement: [Yazoo River basin, hasFloodControlProject, Yazoo Backwater Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Yazoo Backwater Project
Context triple: [Yazoo River basin, hasFloodControlProject, Yazoo Backwater Project]
  • A. Tellico Dam project
    The Tellico Dam project was a controversial Tennessee Valley Authority initiative on the Little Tennessee River, widely known for its environmental and cultural impacts, including the flooding of historic Cherokee sites and a landmark legal battle over the endangered snail darter.
  • B. Red River flood control system
    The Red River flood control system is an integrated network of dams, reservoirs, and related infrastructure designed to manage water flow, reduce flooding, and support water supply and recreation along the Red River.
  • C. Trinity River floodway
    The Trinity River floodway is a large engineered flood-control channel and greenbelt in Dallas, Texas, designed to manage Trinity River flooding while providing open space and transportation corridors.
  • D. Cordell Hull Dam
    Cordell Hull Dam is a hydroelectric and flood-control dam on the Cumberland River in Tennessee, operated by the U.S. Army Corps of Engineers.
  • E. Hammond Dam
    Hammond Dam is a flood-control and recreational reservoir dam located on the Tioga River in north-central Pennsylvania.
  • 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: Yazoo Backwater Project
Triple: [Yazoo River basin, hasFloodControlProject, Yazoo Backwater Project]
Generated description
The Yazoo Backwater Project is a long-debated U.S. Army Corps of Engineers flood-control initiative in Mississippi’s Yazoo River basin, best known for its controversial proposed pumping station and its environmental and political disputes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Yazoo Backwater Project
Target entity description: The Yazoo Backwater Project is a long-debated U.S. Army Corps of Engineers flood-control initiative in Mississippi’s Yazoo River basin, best known for its controversial proposed pumping station and its environmental and political disputes.
  • A. Tellico Dam project
    The Tellico Dam project was a controversial Tennessee Valley Authority initiative on the Little Tennessee River, widely known for its environmental and cultural impacts, including the flooding of historic Cherokee sites and a landmark legal battle over the endangered snail darter.
  • B. Red River flood control system
    The Red River flood control system is an integrated network of dams, reservoirs, and related infrastructure designed to manage water flow, reduce flooding, and support water supply and recreation along the Red River.
  • C. Trinity River floodway
    The Trinity River floodway is a large engineered flood-control channel and greenbelt in Dallas, Texas, designed to manage Trinity River flooding while providing open space and transportation corridors.
  • D. Cordell Hull Dam
    Cordell Hull Dam is a hydroelectric and flood-control dam on the Cumberland River in Tennessee, operated by the U.S. Army Corps of Engineers.
  • E. Hammond Dam
    Hammond Dam is a flood-control and recreational reservoir dam located on the Tioga River in north-central Pennsylvania.
  • 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_69d6aa9dafac8190bd90d2c74f661aa7 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e897774c819088ebc7231cebfba6 completed April 9, 2026, 5:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69e463c03a948190b0f40f657180c9bf completed April 19, 2026, 5:10 a.m.
NEDg Description generation batch_69e46c37efec81908aa709587c37569d completed April 19, 2026, 5:46 a.m.
NED2 Entity disambiguation (via description) batch_69e47292cdd08190b05c4c8b09f4f918 completed April 19, 2026, 6:13 a.m.
Created at: April 8, 2026, 9:29 p.m.