Triple

T18198251
Position Surface form Disambiguated ID Type / Status
Subject Black Warrior–Tombigbee Waterway E435715 entity
Predicate hasLock P2431 FINISHED
Object Bankhead 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: Bankhead Lock and Dam | Statement: [Black Warrior–Tombigbee Waterway, hasLock, Bankhead Lock and Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bankhead Lock and Dam
Context triple: [Black Warrior–Tombigbee Waterway, hasLock, Bankhead Lock and Dam]
  • A. 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.
  • B. Aberdeen Lock and Dam
    Aberdeen Lock and Dam is a navigation and flood-control structure on the Tennessee-Tombigbee Waterway in Mississippi that helps manage river traffic and water levels.
  • C. Chain of Rocks Lock and Dam
    Chain of Rocks Lock and Dam is a Mississippi River navigation structure near St. Louis, Missouri, designed to maintain a navigable channel and manage river traffic and water levels.
  • D. Tom Bevill Lock and Dam
    Tom Bevill Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama, forming part of the Tennessee-Tombigbee Waterway system.
  • 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: Bankhead Lock and Dam
Target entity description: Bankhead Lock and Dam is a navigation and flood-control structure on the Black Warrior–Tombigbee Waterway in Alabama that helps regulate river levels and support commercial barge traffic.
  • A. 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.
  • B. Aberdeen Lock and Dam
    Aberdeen Lock and Dam is a navigation and flood-control structure on the Tennessee-Tombigbee Waterway in Mississippi that helps manage river traffic and water levels.
  • C. Chain of Rocks Lock and Dam
    Chain of Rocks Lock and Dam is a Mississippi River navigation structure near St. Louis, Missouri, designed to maintain a navigable channel and manage river traffic and water levels.
  • D. Tom Bevill Lock and Dam
    Tom Bevill Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama, forming part of the Tennessee-Tombigbee Waterway system.
  • 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_69d8b90dba6481908e119eb9aa4ca0cb completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4e0d47f1c819082eec59492497797 completed April 19, 2026, 2:04 p.m.
Created at: April 10, 2026, 10:31 a.m.