Triple

T4708304

Position	Surface form	Disambiguated ID	Type / Status
Subject	Fort Laramie Treaty of 1868	`E104446`	entity
Predicate	established	`P41`	FINISHED
Object	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.	`E464176`	NE FINISHED

How this triple was built (4 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: Great Sioux Reservation | Statement: [Fort Laramie Treaty of 1868, established, Great Sioux Reservation]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Great Sioux Reservation
Context triple: [Fort Laramie Treaty of 1868, established, Great Sioux Reservation]

A. 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.
B. 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.
C. Winnebago Reservation
The Winnebago Reservation is the federally recognized homeland of the Ho-Chunk people of the Winnebago Tribe of Nebraska, located in northeastern Nebraska.
D. Standing Rock Indian Reservation
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.
E. Osage Nation reservation
The Osage Nation reservation is a federally recognized Native American reservation in northeastern Oklahoma that serves as the homeland and governmental center of the Osage Nation.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Great Sioux Reservation
Triple: [Fort Laramie Treaty of 1868, established, Great Sioux Reservation]

Generated description

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.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Great Sioux Reservation
Target entity description: 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.

A. 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.
B. 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.
C. Winnebago Reservation
The Winnebago Reservation is the federally recognized homeland of the Ho-Chunk people of the Winnebago Tribe of Nebraska, located in northeastern Nebraska.
D. Standing Rock Indian Reservation
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.
E. Osage Nation reservation
The Osage Nation reservation is a federally recognized Native American reservation in northeastern Oklahoma that serves as the homeland and governmental center of the Osage Nation.
F. None of above. chosen

Provenance (5 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_69bd43eac3c08190af7e4020c6c3704c`	completed	March 20, 2026, 12:56 p.m.
NER	Named-entity recognition	`batch_69bd63ebf7e48190b545670ec114bd7e`	completed	March 20, 2026, 3:12 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69be10721b88819093be46bc5cae17c0`	completed	March 21, 2026, 3:28 a.m.
NEDg	Description generation	`batch_69be1452eba88190bf982ab0f464e96f`	completed	March 21, 2026, 3:45 a.m.
NED2	Entity disambiguation (via description)	`batch_69be14ca370481909c5e144e63ceb495`	completed	March 21, 2026, 3:47 a.m.

Created at: March 20, 2026, 1:17 p.m.