Triple

T20532144
Position Surface form Disambiguated ID Type / Status
Subject Great Bear Wilderness E504094 entity
Predicate contains P35 FINISHED
Object Middle Fork Flathead River headwaters — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Middle Fork Flathead River headwaters | Statement: [Great Bear Wilderness, contains, Middle Fork Flathead River headwaters]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Middle Fork Flathead River headwaters
Context triple: [Great Bear Wilderness, contains, Middle Fork Flathead River headwaters]
  • A. Clark Fork River and Bitterroot River
    The Clark Fork River and Bitterroot River are two major rivers in western Montana whose confluence forms a key geographic and ecological feature near the city of Missoula.
  • B. Bitterroot River
    The Bitterroot River is a scenic trout-rich waterway in western Montana, renowned for fly fishing, wildlife habitat, and its role in shaping the Bitterroot Valley.
  • C. Middle Fork Salmon River
    The Middle Fork Salmon River is a renowned free-flowing wilderness river in central Idaho, famous for its whitewater rafting, rugged canyon scenery, and protected status within the Frank Church–River of No Return Wilderness.
  • D. Middle Fork River
    The Middle Fork River is a tributary stream in north-central West Virginia that feeds into the Tygart Valley River and is known for its forested watershed and recreational opportunities like fishing and paddling.
  • E. Stillwater River (Montana)
    Stillwater River (Montana) is a cold, fast-flowing mountain river in south-central Montana known for its scenic canyon landscapes and excellent trout fishing.
  • 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: Middle Fork Flathead River headwaters
Target entity description: The Middle Fork Flathead River headwaters are the high-elevation source streams of the Middle Fork Flathead River, originating in remote, rugged terrain of northwestern Montana.
  • A. Clark Fork River and Bitterroot River
    The Clark Fork River and Bitterroot River are two major rivers in western Montana whose confluence forms a key geographic and ecological feature near the city of Missoula.
  • B. Bitterroot River
    The Bitterroot River is a scenic trout-rich waterway in western Montana, renowned for fly fishing, wildlife habitat, and its role in shaping the Bitterroot Valley.
  • C. Middle Fork Salmon River
    The Middle Fork Salmon River is a renowned free-flowing wilderness river in central Idaho, famous for its whitewater rafting, rugged canyon scenery, and protected status within the Frank Church–River of No Return Wilderness.
  • D. Middle Fork River
    The Middle Fork River is a tributary stream in north-central West Virginia that feeds into the Tygart Valley River and is known for its forested watershed and recreational opportunities like fishing and paddling.
  • E. Stillwater River (Montana)
    Stillwater River (Montana) is a cold, fast-flowing mountain river in south-central Montana known for its scenic canyon landscapes and excellent trout fishing.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4b3a6e08190ae663701f50fab8e elicitation completed
NER batch_69e6a06c709881908ef0995426a58759 ner completed
Created at: April 16, 2026, 11:37 a.m.