Triple

T18107533
Position Surface form Disambiguated ID Type / Status
Subject Columbia–Snake River lock system E433382 entity
Predicate operator P179 FINISHED
Object U.S. Army Corps of Engineers — NE NERFINISHED

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: U.S. Army Corps of Engineers | Statement: [Columbia–Snake River lock system, operator, U.S. Army Corps of Engineers]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U.S. Army Corps of Engineers
Context triple: [Columbia–Snake River lock system, operator, U.S. Army Corps of Engineers]
  • A. U.S. Army Corps of Engineers chosen
    The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
  • B. Army Corps of Engineers
    The Army Corps of Engineers is a specialized military unit responsible for engineering, construction, and infrastructure support within the Ecuadorian Army.
  • C. USACE Rock Island District
    USACE Rock Island District is a regional division of the U.S. Army Corps of Engineers responsible for managing navigation, flood risk, and related water resource projects along portions of the Upper Mississippi River and Illinois Waterway.
  • D. U.S. Army Corps of Engineers Kansas City District
    The U.S. Army Corps of Engineers Kansas City District is a regional division of the U.S. Army Corps of Engineers responsible for civil works, water resource management, and infrastructure projects across parts of Kansas, Missouri, and surrounding states.
  • E. U.S. Army Engineer Research and Development Center
    The U.S. Army Engineer Research and Development Center is the principal research organization of the U.S. Army Corps of Engineers, conducting engineering and environmental science R&D to support military and civil works missions.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8b90916008190a1f110bd7ced5473 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4ddbb3d408190b5fc7870bc6512f4 completed April 19, 2026, 1:50 p.m.
Created at: April 10, 2026, 10:28 a.m.