Triple

T16385840
Position Surface form Disambiguated ID Type / Status
Subject John Day Dam E397919 entity
Predicate managedBy P86 FINISHED
Object Portland District, U.S. Army Corps of Engineers
The Portland District, U.S. Army Corps of Engineers is a regional Corps district responsible for managing major water resources, navigation, hydropower, and environmental restoration projects across much of Oregon and southwestern Washington.
E1210294 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: Portland District, U.S. Army Corps of Engineers | Statement: [John Day Dam, managedBy, Portland District, U.S. Army Corps of Engineers]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portland District, U.S. Army Corps of Engineers
Context triple: [John Day Dam, managedBy, Portland District, U.S. Army Corps of Engineers]
  • A. Walla Walla District, U.S. Army Corps of Engineers
    The Walla Walla District, U.S. Army Corps of Engineers is a regional Corps district in the Pacific Northwest responsible for planning, constructing, operating, and maintaining federal water resources, navigation, hydropower, and flood risk management projects along portions of the Columbia and Snake River basins.
  • B. Tulsa District, U.S. Army Corps of Engineers
    The Tulsa District, U.S. Army Corps of Engineers is a regional command of the U.S. Army Corps responsible for managing water resources, flood control, navigation, and related civil works projects across parts of Oklahoma and neighboring states.
  • C. Savannah District, U.S. Army Corps of Engineers
    Savannah District, U.S. Army Corps of Engineers is a regional command of the U.S. Army Corps responsible for managing water resources, navigation, and civil works projects across portions of Georgia and South Carolina, including major dams and reservoirs.
  • D. Columbia River Department
    The Columbia River Department was a regional fur-trading division that managed the American Fur Company's operations and trade networks in the Pacific Northwest around the Columbia River basin.
  • E. U.S. Army Corps of Engineers
    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.
  • 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: Portland District, U.S. Army Corps of Engineers
Triple: [John Day Dam, managedBy, Portland District, U.S. Army Corps of Engineers]
Generated description
The Portland District, U.S. Army Corps of Engineers is a regional Corps district responsible for managing major water resources, navigation, hydropower, and environmental restoration projects across much of Oregon and southwestern Washington.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Portland District, U.S. Army Corps of Engineers
Target entity description: The Portland District, U.S. Army Corps of Engineers is a regional Corps district responsible for managing major water resources, navigation, hydropower, and environmental restoration projects across much of Oregon and southwestern Washington.
  • A. Walla Walla District, U.S. Army Corps of Engineers
    The Walla Walla District, U.S. Army Corps of Engineers is a regional Corps district in the Pacific Northwest responsible for planning, constructing, operating, and maintaining federal water resources, navigation, hydropower, and flood risk management projects along portions of the Columbia and Snake River basins.
  • B. Tulsa District, U.S. Army Corps of Engineers
    The Tulsa District, U.S. Army Corps of Engineers is a regional command of the U.S. Army Corps responsible for managing water resources, flood control, navigation, and related civil works projects across parts of Oklahoma and neighboring states.
  • C. Savannah District, U.S. Army Corps of Engineers
    Savannah District, U.S. Army Corps of Engineers is a regional command of the U.S. Army Corps responsible for managing water resources, navigation, and civil works projects across portions of Georgia and South Carolina, including major dams and reservoirs.
  • D. Columbia River Department
    The Columbia River Department was a regional fur-trading division that managed the American Fur Company's operations and trade networks in the Pacific Northwest around the Columbia River basin.
  • E. U.S. Army Corps of Engineers
    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.
  • 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_69d87f2880b48190ae1a9673a3bbef80 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e3263d260081909db9ac6016d5738a completed April 18, 2026, 6:35 a.m.
NED1 Entity disambiguation (via context triple) batch_6a00356cf44081909133b599cfe9ed4a completed May 10, 2026, 7:36 a.m.
NEDg Description generation batch_6a00369391a08190bb5521e2fcc839c6 completed May 10, 2026, 7:41 a.m.
NED2 Entity disambiguation (via description) batch_6a00374326948190ae039bc689054387 completed May 10, 2026, 7:44 a.m.
Created at: April 10, 2026, 5:08 a.m.