Triple

T15279851
Position Surface form Disambiguated ID Type / Status
Subject Lower St. Anthony Falls Lock and Dam E365239 entity
Predicate partOf P40 FINISHED
Object Upper Mississippi River 9-Foot Channel Project E433381 NE FINISHED

How this triple was built (2 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: Upper Mississippi River 9-Foot Channel Project | Statement: [Lower St. Anthony Falls Lock and Dam, partOf, Upper Mississippi River 9-Foot Channel Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Upper Mississippi River 9-Foot Channel Project
Context triple: [Lower St. Anthony Falls Lock and Dam, partOf, Upper Mississippi River 9-Foot Channel Project]
  • A. Mississippi River and Tributaries Project
    The Mississippi River and Tributaries Project is a comprehensive U.S. Army Corps of Engineers flood-control and navigation system designed to manage the flow and reduce flooding risks throughout the lower Mississippi River basin.
  • B. 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.
  • C. McClellan–Kerr Arkansas River Navigation System
    The McClellan–Kerr Arkansas River Navigation System is a major inland waterway project that transforms the Arkansas River and connected channels into a navigable route for commercial shipping between the Midwest and the Gulf of Mexico.
  • D. Mississippi River system locks and dams chosen
    The Mississippi River system locks and dams are a network of engineered structures that regulate water levels and enable commercial navigation along the Mississippi and its connected inland waterways.
  • E. Illinois Waterway system
    The Illinois Waterway system is a network of rivers, canals, and locks in Illinois that provides a vital navigable link between the Great Lakes and the Mississippi River.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d85a103d9081908c1ea6c4c73ac8e3 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e00e504d8c8190ad6c565a31d1a9bd completed April 15, 2026, 10:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69feef754c9c8190abdc1d08fd1511cd completed May 9, 2026, 8:25 a.m.
Created at: April 10, 2026, 3:15 a.m.