Triple

T8923324

Position	Surface form	Disambiguated ID	Type / Status
Subject	Great Allegheny Passage	`E212477`	entity
Predicate	managedBy	`P86`	FINISHED
Object	Allegheny Trail Alliance The Allegheny Trail Alliance is a coalition of trail organizations that develops, promotes, and oversees the long-distance rail-trail corridor connecting Pittsburgh, Pennsylvania, to Cumberland, Maryland.	`E766931`	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: Allegheny Trail Alliance | Statement: [Great Allegheny Passage, managedBy, Allegheny Trail Alliance]

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

Target entity: Allegheny Trail Alliance
Context triple: [Great Allegheny Passage, managedBy, Allegheny Trail Alliance]

A. Western Pennsylvania Conservancy
Western Pennsylvania Conservancy is a nonprofit environmental organization in Pennsylvania that protects and manages natural areas, waterways, and notable sites such as Frank Lloyd Wright’s Fallingwater.
B. Appalachian Trail Conference
The Appalachian Trail Conference is the organization responsible for overseeing the management, protection, and coordination of the Appalachian Trail and its volunteer network.
C. Appalachian Mountain Club
The Appalachian Mountain Club is a U.S.-based outdoor recreation and conservation organization best known for maintaining trails, huts, and lodges throughout the Appalachian region of New England and the Mid-Atlantic.
D. New York–New Jersey Trail Conference
The New York–New Jersey Trail Conference is a nonprofit organization that builds, maintains, and protects a vast network of hiking trails and natural areas across New York and New Jersey through volunteer stewardship and advocacy.
E. Rails-to-Trails Conservancy
Rails-to-Trails Conservancy is a U.S. nonprofit organization dedicated to transforming unused rail corridors and other pathways into multi-use trails for walking, cycling, and outdoor recreation.
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: Allegheny Trail Alliance
Triple: [Great Allegheny Passage, managedBy, Allegheny Trail Alliance]

Generated description

The Allegheny Trail Alliance is a coalition of trail organizations that develops, promotes, and oversees the long-distance rail-trail corridor connecting Pittsburgh, Pennsylvania, to Cumberland, Maryland.

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

Target entity: Allegheny Trail Alliance
Target entity description: The Allegheny Trail Alliance is a coalition of trail organizations that develops, promotes, and oversees the long-distance rail-trail corridor connecting Pittsburgh, Pennsylvania, to Cumberland, Maryland.

A. Western Pennsylvania Conservancy
Western Pennsylvania Conservancy is a nonprofit environmental organization in Pennsylvania that protects and manages natural areas, waterways, and notable sites such as Frank Lloyd Wright’s Fallingwater.
B. Appalachian Trail Conference
The Appalachian Trail Conference is the organization responsible for overseeing the management, protection, and coordination of the Appalachian Trail and its volunteer network.
C. Appalachian Mountain Club
The Appalachian Mountain Club is a U.S.-based outdoor recreation and conservation organization best known for maintaining trails, huts, and lodges throughout the Appalachian region of New England and the Mid-Atlantic.
D. New York–New Jersey Trail Conference
The New York–New Jersey Trail Conference is a nonprofit organization that builds, maintains, and protects a vast network of hiking trails and natural areas across New York and New Jersey through volunteer stewardship and advocacy.
E. Rails-to-Trails Conservancy
Rails-to-Trails Conservancy is a U.S. nonprofit organization dedicated to transforming unused rail corridors and other pathways into multi-use trails for walking, cycling, and outdoor recreation.
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_69ca839481d48190b42b037e0d0f636c`	completed	March 30, 2026, 2:07 p.m.
NER	Named-entity recognition	`batch_69cc6652d63881908821c8735984322a`	completed	April 1, 2026, 12:26 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69cfba5480d48190bf126caaa882d39e`	completed	April 3, 2026, 1:02 p.m.
NEDg	Description generation	`batch_69cfbb0db6848190a375196a021d1bb9`	completed	April 3, 2026, 1:05 p.m.
NED2	Entity disambiguation (via description)	`batch_69cfbf7f551c819089830d16fe55599e`	completed	April 3, 2026, 1:24 p.m.

Created at: March 30, 2026, 6:56 p.m.