Triple

T11676123

Position	Surface form	Disambiguated ID	Type / Status
Subject	Amtrak General Electric Genesis locomotives	`E277494`	entity
Predicate	category	`P87`	FINISHED
Object	General Electric locomotives General Electric locomotives are a family of diesel and electric railway engines produced by General Electric that are widely used for both freight and passenger service around the world.	`E940422`	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: General Electric locomotives | Statement: [Amtrak General Electric Genesis locomotives, category, General Electric locomotives]

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

Target entity: General Electric locomotives
Context triple: [Amtrak General Electric Genesis locomotives, category, General Electric locomotives]

A. GE U-series locomotives
GE U-series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric from the 1960s onward, known for their high horsepower and widespread use on railroads around the world.
B. GE P42DC locomotives
GE P42DC locomotives are diesel-electric passenger locomotives built by General Electric, widely used across North American intercity rail services for their reliability and high-speed capabilities.
C. EMC/EMD diesel locomotives
EMC/EMD diesel locomotives are a family of North American diesel-electric engines built by Electro-Motive Corporation/Division that played a major role in replacing steam power on many railroads.
D. GE AC4400CW locomotives
GE AC4400CW locomotives are heavy-duty, six-axle diesel-electric freight locomotives built by General Electric, widely used in North America for high-horsepower mainline service.
E. GE Dash 7 series locomotives
GE Dash 7 series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric in the late 1970s and 1980s, known for their improved performance and reliability over the earlier Universal Series.
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: General Electric locomotives
Triple: [Amtrak General Electric Genesis locomotives, category, General Electric locomotives]

Generated description

General Electric locomotives are a family of diesel and electric railway engines produced by General Electric that are widely used for both freight and passenger service around the world.

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

Target entity: General Electric locomotives
Target entity description: General Electric locomotives are a family of diesel and electric railway engines produced by General Electric that are widely used for both freight and passenger service around the world.

A. GE U-series locomotives
GE U-series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric from the 1960s onward, known for their high horsepower and widespread use on railroads around the world.
B. GE P42DC locomotives
GE P42DC locomotives are diesel-electric passenger locomotives built by General Electric, widely used across North American intercity rail services for their reliability and high-speed capabilities.
C. EMC/EMD diesel locomotives
EMC/EMD diesel locomotives are a family of North American diesel-electric engines built by Electro-Motive Corporation/Division that played a major role in replacing steam power on many railroads.
D. GE AC4400CW locomotives
GE AC4400CW locomotives are heavy-duty, six-axle diesel-electric freight locomotives built by General Electric, widely used in North America for high-horsepower mainline service.
E. GE Dash 7 series locomotives
GE Dash 7 series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric in the late 1970s and 1980s, known for their improved performance and reliability over the earlier Universal Series.
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_69d6aafd0a448190b44da30af8c6c519`	completed	April 8, 2026, 7:22 p.m.
NER	Named-entity recognition	`batch_69d8a44504c48190b519765a83ff9c5e`	completed	April 10, 2026, 7:18 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69ef13f12c2481909171a3237064c76d`	completed	April 27, 2026, 7:44 a.m.
NEDg	Description generation	`batch_69ef3551b9a88190a9b30bcb2592628b`	completed	April 27, 2026, 10:07 a.m.
NED2	Entity disambiguation (via description)	`batch_69ef51c17078819083f05036f290ce09`	completed	April 27, 2026, 12:08 p.m.

Created at: April 8, 2026, 9:40 p.m.