Triple

T12509704

Position	Surface form	Disambiguated ID	Type / Status
Subject	Iowa (Ioway) tribe	`E299042`	entity
Predicate	historicalRegion	`P915`	FINISHED
Object	Missouri River valley The Missouri River valley is a fertile and historically significant region of the central United States that has long served as a homeland and travel corridor for numerous Indigenous peoples and later European-American settlers.	`E993578`	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: Missouri River valley | Statement: [Iowa (Ioway) tribe, historicalRegion, Missouri River valley]

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

Target entity: Missouri River valley
Context triple: [Iowa (Ioway) tribe, historicalRegion, Missouri River valley]

A. Missouri River corridor
The Missouri River corridor is a transportation and scenic travel route that follows the course of the Missouri River across Missouri, linking major cities and communities along its banks.
B. Missouri River Basin
The Missouri River Basin is a vast drainage area in the central United States that collects water from the Missouri River and its tributaries across multiple states and parts of Canada.
C. Mississippi River valley
The Mississippi River valley is a vast, fertile lowland region in the central United States shaped by the Mississippi River, historically crucial for agriculture, trade, and settlement.
D. Missouri River Breaks region
The Missouri River Breaks region is a rugged, remote landscape of badlands, cliffs, and prairie along the upper Missouri River in central Montana, renowned for its scenic beauty, wildlife habitat, and historical significance.
E. Lower Missouri River valley
The Lower Missouri River valley is a historically significant region of the central United States along the lower course of the Missouri River, long inhabited and used by Indigenous peoples such as the Kaw for settlement, trade, and agriculture.
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: Missouri River valley
Triple: [Iowa (Ioway) tribe, historicalRegion, Missouri River valley]

Generated description

The Missouri River valley is a fertile and historically significant region of the central United States that has long served as a homeland and travel corridor for numerous Indigenous peoples and later European-American settlers.

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

Target entity: Missouri River valley
Target entity description: The Missouri River valley is a fertile and historically significant region of the central United States that has long served as a homeland and travel corridor for numerous Indigenous peoples and later European-American settlers.

A. Missouri River corridor
The Missouri River corridor is a transportation and scenic travel route that follows the course of the Missouri River across Missouri, linking major cities and communities along its banks.
B. Missouri River Basin
The Missouri River Basin is a vast drainage area in the central United States that collects water from the Missouri River and its tributaries across multiple states and parts of Canada.
C. Mississippi River valley
The Mississippi River valley is a vast, fertile lowland region in the central United States shaped by the Mississippi River, historically crucial for agriculture, trade, and settlement.
D. Missouri River Breaks region
The Missouri River Breaks region is a rugged, remote landscape of badlands, cliffs, and prairie along the upper Missouri River in central Montana, renowned for its scenic beauty, wildlife habitat, and historical significance.
E. Lower Missouri River valley
The Lower Missouri River valley is a historically significant region of the central United States along the lower course of the Missouri River, long inhabited and used by Indigenous peoples such as the Kaw for settlement, trade, and agriculture.
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_69d6ada4cd388190ae3bbf83ff87057a`	completed	April 8, 2026, 7:33 p.m.
NER	Named-entity recognition	`batch_69d9541c1ca08190a4026c394ebcbeb5`	completed	April 10, 2026, 7:48 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f65eac74608190a6f1941ed5a05212`	completed	May 2, 2026, 8:29 p.m.
NEDg	Description generation	`batch_69f65fadc97081908376913e390cfc3d`	completed	May 2, 2026, 8:33 p.m.
NED2	Entity disambiguation (via description)	`batch_69f660c3d914819097b57784889ca389`	completed	May 2, 2026, 8:38 p.m.

Created at: April 8, 2026, 9:57 p.m.