Triple

T9511654

Position	Surface form	Disambiguated ID	Type / Status
Subject	U.S. Route 422	`E229410`	entity
Predicate	partOfCorridor	`P840`	FINISHED
Object	Cleveland–Youngstown corridor The Cleveland–Youngstown corridor is a major urban and economic region in northeastern Ohio linking the metropolitan areas of Cleveland and Youngstown.	`E804348`	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: Cleveland–Youngstown corridor | Statement: [U.S. Route 422, partOfCorridor, Cleveland–Youngstown corridor]

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

Target entity: Cleveland–Youngstown corridor
Context triple: [U.S. Route 422, partOfCorridor, Cleveland–Youngstown corridor]

A. Chicago–Detroit/Pontiac corridor
The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
B. Cleveland metropolitan area
The Cleveland metropolitan area is a major urban region in northeastern Ohio centered on the city of Cleveland, encompassing surrounding suburbs and counties as a hub for industry, healthcare, education, and culture along Lake Erie.
C. Dayton–Cincinnati metropolitan region
The Dayton–Cincinnati metropolitan region is a combined urban and economic area in southwestern Ohio that links the cities of Dayton and Cincinnati and their surrounding suburbs into a single, interconnected corridor.
D. Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
E. Great Lakes industrial corridor
The Great Lakes industrial corridor is a major North American manufacturing and transportation belt stretching around the Great Lakes, known for its heavy industry, steel production, and port facilities.
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: Cleveland–Youngstown corridor
Triple: [U.S. Route 422, partOfCorridor, Cleveland–Youngstown corridor]

Generated description

The Cleveland–Youngstown corridor is a major urban and economic region in northeastern Ohio linking the metropolitan areas of Cleveland and Youngstown.

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

Target entity: Cleveland–Youngstown corridor
Target entity description: The Cleveland–Youngstown corridor is a major urban and economic region in northeastern Ohio linking the metropolitan areas of Cleveland and Youngstown.

A. Chicago–Detroit/Pontiac corridor
The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
B. Cleveland metropolitan area
The Cleveland metropolitan area is a major urban region in northeastern Ohio centered on the city of Cleveland, encompassing surrounding suburbs and counties as a hub for industry, healthcare, education, and culture along Lake Erie.
C. Dayton–Cincinnati metropolitan region
The Dayton–Cincinnati metropolitan region is a combined urban and economic area in southwestern Ohio that links the cities of Dayton and Cincinnati and their surrounding suburbs into a single, interconnected corridor.
D. Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
E. Great Lakes industrial corridor
The Great Lakes industrial corridor is a major North American manufacturing and transportation belt stretching around the Great Lakes, known for its heavy industry, steel production, and port facilities.
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_69ca84777560819084cddd999badc1aa`	completed	March 30, 2026, 2:11 p.m.
NER	Named-entity recognition	`batch_69cd98699b788190b1a475e1b1883584`	completed	April 1, 2026, 10:12 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d13a37c7ec8190a24ae0eec76b4f67`	completed	April 4, 2026, 4:20 p.m.
NEDg	Description generation	`batch_69d13c1a73c88190a4308c3246864a5f`	completed	April 4, 2026, 4:28 p.m.
NED2	Entity disambiguation (via description)	`batch_69d13c8b5d688190871f6830d0bda3ef`	completed	April 4, 2026, 4:30 p.m.

Created at: March 30, 2026, 7:58 p.m.