Triple

T18934567
Position Surface form Disambiguated ID Type / Status
Subject Cheyenne River E463207 entity
Predicate crosses P416 FINISHED
Object Cheyenne River Indian Reservation — NE NERFINISHED

How this triple was built (2 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: Cheyenne River Indian Reservation | Statement: [Cheyenne River, crosses, Cheyenne River Indian Reservation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cheyenne River Indian Reservation
Context triple: [Cheyenne River, crosses, Cheyenne River Indian Reservation]
  • A. Cheyenne River Indian Reservation chosen
    The Cheyenne River Indian Reservation is a large Native American reservation in central South Dakota that is home primarily to the Cheyenne River Sioux Tribe, a Lakota nation.
  • B. Flandreau Indian Reservation
    Flandreau Indian Reservation is a federally recognized Native American reservation in South Dakota that serves as the homeland of the Flandreau Santee Sioux Tribe.
  • C. Yankton Indian Reservation
    The Yankton Indian Reservation is a federally recognized Native American reservation in southeastern South Dakota that serves as the homeland of the Yankton Sioux Tribe.
  • D. Pine Ridge Indian Reservation
    Pine Ridge Indian Reservation is a large Oglala Lakota Native American reservation in southwestern South Dakota known for its significant cultural heritage and history, including the Wounded Knee Massacre site.
  • E. Omaha Reservation
    The Omaha Reservation is a Native American reservation in northeastern Nebraska that serves as the homeland and administrative center of the Omaha people.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d8dcfec90481909e926be9767e5779 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d3e57e648190aa4d3b09e84d4d38 completed April 20, 2026, 7:21 a.m.
Created at: April 10, 2026, 11:59 a.m.