Triple

T20021222
Position Surface form Disambiguated ID Type / Status
Subject Ellsworth, Maine E494861 entity
Predicate hasLandmark P105 FINISHED
Object Union River 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: Union River Dam | Statement: [Ellsworth, Maine, hasLandmark, Union River Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union River Dam
Context triple: [Ellsworth, Maine, hasLandmark, Union River Dam]
  • A. River Mill Dam
    River Mill Dam is a hydroelectric dam on the Clackamas River in Oregon, known for power generation and its role in regional water management.
  • B. Nolin River Dam
    Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
  • C. Oldman River Dam
    Oldman River Dam is a large multipurpose embankment dam in southern Alberta, Canada, built primarily for irrigation, flood control, and water management on the Oldman River.
  • D. West Fork River Dam
    West Fork River Dam is a man-made structure built to impound the West Fork River, providing flood control, water supply, and recreational benefits to the surrounding region.
  • E. West Point Dam
    West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
  • 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: Union River Dam
Target entity description: Union River Dam is a historic hydroelectric dam on the Union River in Ellsworth, Maine, known for its role in regional power generation and its impact on local river ecology.
  • A. River Mill Dam
    River Mill Dam is a hydroelectric dam on the Clackamas River in Oregon, known for power generation and its role in regional water management.
  • B. Nolin River Dam
    Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
  • C. Oldman River Dam
    Oldman River Dam is a large multipurpose embankment dam in southern Alberta, Canada, built primarily for irrigation, flood control, and water management on the Oldman River.
  • D. West Fork River Dam
    West Fork River Dam is a man-made structure built to impound the West Fork River, providing flood control, water supply, and recreational benefits to the surrounding region.
  • E. West Point Dam
    West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
  • 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_69da626bfd288190aa5d65098b6433ae completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6623fe1988190a1c09d392d866dc8 completed April 20, 2026, 5:28 p.m.
Created at: April 11, 2026, 3:35 p.m.