Triple

T20810838
Position Surface form Disambiguated ID Type / Status
Subject Trinidad Reservoir E512294 entity
Predicate operator P179 FINISHED
Object United States 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: United States Army Corps of Engineers | Statement: [Trinidad Reservoir, operator, United States Army Corps of Engineers]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: United States Army Corps of Engineers
Context triple: [Trinidad Reservoir, operator, United States 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. Australian Corps of Engineers
    The Australian Corps of Engineers was the military engineering branch of the Australian Army responsible for construction, fortifications, logistics support, and other technical services in both peace and wartime operations.
  • D. U.S. Army Corps of Engineers Mississippi Valley Division
    The U.S. Army Corps of Engineers Mississippi Valley Division is the regional command responsible for managing navigation, flood control, and water resources infrastructure along the Mississippi River and its tributaries.
  • E. 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.
  • 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_69e0b4cd25088190b48ca9700cd24efc completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c2d27a4881908b34679385d8b94b completed April 21, 2026, 12:20 a.m.
Created at: April 16, 2026, 12:40 p.m.