Triple

T13922135

Position	Surface form	Disambiguated ID	Type / Status
Subject	Alaska Native regional corporations	`E334772`	entity
Predicate	includes	`P1393`	FINISHED
Object	Chugach Alaska Corporation Chugach Alaska Corporation is an Alaska Native regional corporation that manages land, resources, and business enterprises on behalf of its Alaska Native shareholders in the Chugach region.	`E1076040`	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: Chugach Alaska Corporation | Statement: [Alaska Native regional corporations, includes, Chugach Alaska Corporation]

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

Target entity: Chugach Alaska Corporation
Context triple: [Alaska Native regional corporations, includes, Chugach Alaska Corporation]

A. Sealaska Corporation
Sealaska Corporation is a major Alaska Native regional corporation representing Tlingit, Haida, and Tsimshian shareholders and managing land, natural resources, and business enterprises in Southeast Alaska.
B. Aleut Corporation
Aleut Corporation is an Alaska Native regional corporation representing the Unangan (Aleut) people, managing land, resources, and business enterprises for the benefit of its shareholders.
C. Bristol Bay Native Corporation
Bristol Bay Native Corporation is an Alaska Native regional corporation representing shareholders from the Bristol Bay region and engaged in a range of business enterprises to benefit its Native owners.
D. Arctic Slope Regional Corporation
Arctic Slope Regional Corporation is an Alaska Native-owned for-profit corporation representing Inupiat shareholders of Alaska’s North Slope, engaged in diverse business operations including energy, construction, and government services.
E. Ahtna, Incorporated
Ahtna, Incorporated is an Alaska Native regional corporation representing the Ahtna Athabascan people and managing their land and economic interests in the Copper River region of Alaska.
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: Chugach Alaska Corporation
Triple: [Alaska Native regional corporations, includes, Chugach Alaska Corporation]

Generated description

Chugach Alaska Corporation is an Alaska Native regional corporation that manages land, resources, and business enterprises on behalf of its Alaska Native shareholders in the Chugach region.

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

Target entity: Chugach Alaska Corporation
Target entity description: Chugach Alaska Corporation is an Alaska Native regional corporation that manages land, resources, and business enterprises on behalf of its Alaska Native shareholders in the Chugach region.

A. Sealaska Corporation
Sealaska Corporation is a major Alaska Native regional corporation representing Tlingit, Haida, and Tsimshian shareholders and managing land, natural resources, and business enterprises in Southeast Alaska.
B. Aleut Corporation
Aleut Corporation is an Alaska Native regional corporation representing the Unangan (Aleut) people, managing land, resources, and business enterprises for the benefit of its shareholders.
C. Bristol Bay Native Corporation
Bristol Bay Native Corporation is an Alaska Native regional corporation representing shareholders from the Bristol Bay region and engaged in a range of business enterprises to benefit its Native owners.
D. Arctic Slope Regional Corporation
Arctic Slope Regional Corporation is an Alaska Native-owned for-profit corporation representing Inupiat shareholders of Alaska’s North Slope, engaged in diverse business operations including energy, construction, and government services.
E. Ahtna, Incorporated
Ahtna, Incorporated is an Alaska Native regional corporation representing the Ahtna Athabascan people and managing their land and economic interests in the Copper River region of Alaska.
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_69d81c5f739081908bc05b2461f54828`	completed	April 9, 2026, 9:38 p.m.
NER	Named-entity recognition	`batch_69de2aa5c1f481908a9d8786872f08fe`	completed	April 14, 2026, 11:53 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69fbc31e42208190a859cd4bbfb3dd1a`	completed	May 6, 2026, 10:39 p.m.
NEDg	Description generation	`batch_69fc43623d608190bee3ebd08ffa01e6`	completed	May 7, 2026, 7:46 a.m.
NED2	Entity disambiguation (via description)	`batch_69fc43e71f708190903a63388b664ba5`	completed	May 7, 2026, 7:48 a.m.

Created at: April 9, 2026, 10:16 p.m.