Triple

T12046706

Position	Surface form	Disambiguated ID	Type / Status
Subject	Mount Vernon, Washington	`E286803`	entity
Predicate	hasRailService	`P782`	FINISHED
Object	Amtrak Cascades (nearby station in Mount Vernon–Burlington area) Amtrak Cascades (nearby station in the Mount Vernon–Burlington area) is a regional passenger rail service in the Pacific Northwest that connects cities in Washington, Oregon, and British Columbia along the I-5 corridor.	`E961174`	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: Amtrak Cascades (nearby station in Mount Vernon–Burlington area) | Statement: [Mount Vernon, Washington, hasRailService, Amtrak Cascades (nearby station in Mount Vernon–Burlington area)]

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

Target entity: Amtrak Cascades (nearby station in Mount Vernon–Burlington area)
Context triple: [Mount Vernon, Washington, hasRailService, Amtrak Cascades (nearby station in Mount Vernon–Burlington area)]

A. Amtrak service via nearby Sturtevant station
Amtrak service via nearby Sturtevant station is a passenger rail connection that links the Racine area to regional and intercity train routes.
B. Amtrak (station facility)
Amtrak (station facility) is the United States’ national passenger rail service operator that manages and maintains train stations and related passenger facilities across its network.
C. Mattoon Amtrak station
Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
D. Amtrak stations in Virginia
Amtrak stations in Virginia are passenger rail facilities across the state that serve as key hubs for intercity train travel, including major terminals in cities such as Norfolk, Newport News, Roanoke, and Richmond.
E. served by Amtrak Hudson station
Hudson, New York, is a small historic city along the Hudson River known for its revitalized downtown, arts scene, and role as a regional rail-accessible hub between New York City and the Capital Region.
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: Amtrak Cascades (nearby station in Mount Vernon–Burlington area)
Triple: [Mount Vernon, Washington, hasRailService, Amtrak Cascades (nearby station in Mount Vernon–Burlington area)]

Generated description

Amtrak Cascades (nearby station in the Mount Vernon–Burlington area) is a regional passenger rail service in the Pacific Northwest that connects cities in Washington, Oregon, and British Columbia along the I-5 corridor.

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

Target entity: Amtrak Cascades (nearby station in Mount Vernon–Burlington area)
Target entity description: Amtrak Cascades (nearby station in the Mount Vernon–Burlington area) is a regional passenger rail service in the Pacific Northwest that connects cities in Washington, Oregon, and British Columbia along the I-5 corridor.

A. Amtrak service via nearby Sturtevant station
Amtrak service via nearby Sturtevant station is a passenger rail connection that links the Racine area to regional and intercity train routes.
B. Amtrak (station facility)
Amtrak (station facility) is the United States’ national passenger rail service operator that manages and maintains train stations and related passenger facilities across its network.
C. Mattoon Amtrak station
Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
D. Amtrak stations in Virginia
Amtrak stations in Virginia are passenger rail facilities across the state that serve as key hubs for intercity train travel, including major terminals in cities such as Norfolk, Newport News, Roanoke, and Richmond.
E. served by Amtrak Hudson station
Hudson, New York, is a small historic city along the Hudson River known for its revitalized downtown, arts scene, and role as a regional rail-accessible hub between New York City and the Capital Region.
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_69d6ab4780948190bdb9f7620c2ac27e`	completed	April 8, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69d904211b588190bfc7603e5b33dcb7`	completed	April 10, 2026, 2:07 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f49db574bc8190a0f2f858a2ff788d`	completed	May 1, 2026, 12:33 p.m.
NEDg	Description generation	`batch_69f53d95d4fc8190b5f4e460646bec2a`	completed	May 1, 2026, 11:56 p.m.
NED2	Entity disambiguation (via description)	`batch_69f56495830c8190ad5e1767f251b4c5`	completed	May 2, 2026, 2:42 a.m.

Created at: April 8, 2026, 9:47 p.m.