Triple

T9806592
Position Surface form Disambiguated ID Type / Status
Subject North Dakota’s at-large congressional district E237967 entity
Predicate containsReservation P6560 FINISHED
Object Standing Rock Indian Reservation (North Dakota portion) E178265 NE FINISHED

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: Standing Rock Indian Reservation (North Dakota portion) | Statement: [North Dakota’s at-large congressional district, containsReservation, Standing Rock Indian Reservation (North Dakota portion)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Standing Rock Indian Reservation (North Dakota portion)
Context triple: [North Dakota’s at-large congressional district, containsReservation, Standing Rock Indian Reservation (North Dakota portion)]
  • A. Standing Rock Indian Reservation chosen
    Standing Rock Indian Reservation is a Native American reservation of the Lakota and Dakota (Sioux) people, known for its significant cultural heritage and its central role in recent environmental and indigenous rights movements.
  • B. Cheyenne River Indian Reservation
    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.
  • C. 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.
  • D. Great Sioux Reservation
    The Great Sioux Reservation was a vast area of land in the northern Great Plains set aside in the 19th century for the Lakota Sioux and related tribes, encompassing much of present-day South Dakota and surrounding regions before being repeatedly reduced by the U.S. government.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca84dd4608819097ff4ed00feca280 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cdab7cb9588190953a063cb7b9e29e completed April 1, 2026, 11:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1c45a84d08190a7b5769d4a489b35 completed April 5, 2026, 2:09 a.m.
Created at: March 30, 2026, 8:29 p.m.