Triple

T18107530
Position Surface form Disambiguated ID Type / Status
Subject Columbia–Snake River lock system E433382 entity
Predicate hasPart P35 FINISHED
Object Lower Monumental Lock and Dam — NE NERFINISHED

How this triple was built (3 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: Lower Monumental Lock and Dam | Statement: [Columbia–Snake River lock system, hasPart, Lower Monumental Lock and Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lower Monumental Lock and Dam
Context triple: [Columbia–Snake River lock system, hasPart, Lower Monumental Lock and Dam]
  • A. Murray Lock and Dam
    Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
  • B. Winfield Lock and Dam
    Winfield Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps regulate river levels and facilitate barge traffic.
  • C. McNary Lock and Dam
    McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
  • D. Marmet Lock and Dam
    Marmet Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps maintain a stable waterway for commercial and recreational traffic.
  • E. Holt Lock and Dam
    Holt Lock and Dam is a navigation and flood-control structure on the Black Warrior River in Alabama that helps regulate water levels and support commercial barge traffic.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lower Monumental Lock and Dam
Target entity description: Lower Monumental Lock and Dam is a hydroelectric dam and navigation lock on the Snake River in Washington State, used for power generation, river transportation, and water management.
  • A. Murray Lock and Dam
    Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
  • B. Winfield Lock and Dam
    Winfield Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps regulate river levels and facilitate barge traffic.
  • C. McNary Lock and Dam
    McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
  • D. Marmet Lock and Dam
    Marmet Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps maintain a stable waterway for commercial and recreational traffic.
  • E. Holt Lock and Dam
    Holt Lock and Dam is a navigation and flood-control structure on the Black Warrior River in Alabama that helps regulate water levels and support commercial barge traffic.
  • F. None of above. chosen

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.