Triple

T5220245
Position Surface form Disambiguated ID Type / Status
Subject Western Montana E117849 entity
Predicate hasReservation P6560 FINISHED
Object Fort Belknap Indian Reservation E331026 NE FINISHED

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: Fort Belknap Indian Reservation | Statement: [Western Montana, hasReservation, Fort Belknap Indian Reservation]

Disambiguation candidates (1 decision)

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: Fort Belknap Indian Reservation
Context triple: [Western Montana, hasReservation, Fort Belknap Indian Reservation]
  • A. Fort Belknap Indian Reservation chosen
    Fort Belknap Indian Reservation is a Native American reservation in north-central Montana that serves as the homeland of the Gros Ventre (Aaniiih) and Assiniboine (Nakoda) tribes.
  • B. Wind River Indian Reservation
    The Wind River Indian Reservation is a large Native American reservation in central Wyoming that is home to the Eastern Shoshone and Northern Arapaho tribes.
  • C. Havasupai Indian Reservation
    The Havasupai Indian Reservation is a remote tribal homeland in northern Arizona, renowned for its turquoise waterfalls in the Grand Canyon and as the primary residence of the Havasupai people.
  • D. Morongo Indian Reservation
    The Morongo Indian Reservation is a federally recognized Native American reservation in Southern California that serves as the homeland of the Morongo Band of Mission Indians and hosts various tribal government, cultural, and economic activities.
  • E. Cocopah Indian Reservation
    The Cocopah Indian Reservation is the homeland of the Cocopah (Xawitt Kwñchawaay) people, a federally recognized Native American tribe located along the lower Colorado River in southwestern Arizona.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd4465e03081909bfcfd7113062590 elicitation completed
NER batch_69bd7ab846548190bcd2c5cd238f6cd9 ner completed
NED1 batch_69bf1873a8608190b07f1152df8e2e5d ned_source_triple completed
Created at: March 20, 2026, 1:48 p.m.