Triple

T5100696

Position	Surface form	Disambiguated ID	Type / Status
Subject	LIRR C3 coach	`E114973`	entity
Predicate	compatibleWith	`P203`	FINISHED
Object	EMD DM30AC locomotives EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.	`E495258`	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: EMD DM30AC locomotives | Statement: [LIRR C3 coach, compatibleWith, EMD DM30AC locomotives]

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

Target entity: EMD DM30AC locomotives
Context triple: [LIRR C3 coach, compatibleWith, EMD DM30AC locomotives]

A. Amtrak General Electric Genesis locomotives
Amtrak General Electric Genesis locomotives are a series of diesel-electric passenger locomotives built by GE for Amtrak, widely used across its intercity routes in the United States.
B. 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.
C. Amtrak Siemens Charger locomotives
Amtrak Siemens Charger locomotives are modern, diesel-electric passenger train engines used across various Amtrak routes for higher efficiency, lower emissions, and improved performance compared to older locomotive fleets.
D. EMD F40PH
The EMD F40PH is a widely used four-axle diesel-electric passenger locomotive built by Electro-Motive Division, best known for its long service on North American commuter and intercity railroads.
E. EMD F125
The EMD F125 is a modern diesel-electric passenger locomotive built by Electro-Motive Diesel for commuter rail service, featuring improved emissions performance, higher power output, and updated safety and control systems compared to its predecessors.
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: EMD DM30AC locomotives
Triple: [LIRR C3 coach, compatibleWith, EMD DM30AC locomotives]

Generated description

EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.

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

Target entity: EMD DM30AC locomotives
Target entity description: EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.

A. Amtrak General Electric Genesis locomotives
Amtrak General Electric Genesis locomotives are a series of diesel-electric passenger locomotives built by GE for Amtrak, widely used across its intercity routes in the United States.
B. 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.
C. Amtrak Siemens Charger locomotives
Amtrak Siemens Charger locomotives are modern, diesel-electric passenger train engines used across various Amtrak routes for higher efficiency, lower emissions, and improved performance compared to older locomotive fleets.
D. EMD F40PH
The EMD F40PH is a widely used four-axle diesel-electric passenger locomotive built by Electro-Motive Division, best known for its long service on North American commuter and intercity railroads.
E. EMD F125
The EMD F125 is a modern diesel-electric passenger locomotive built by Electro-Motive Diesel for commuter rail service, featuring improved emissions performance, higher power output, and updated safety and control systems compared to its predecessors.
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_69bd443fc49c819089629c00e311310c`	completed	March 20, 2026, 12:57 p.m.
NER	Named-entity recognition	`batch_69bd758381dc8190ac491788d27ab8e0`	completed	March 20, 2026, 4:27 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bec36d231481908da4d2df53bd6507`	completed	March 21, 2026, 4:12 p.m.
NEDg	Description generation	`batch_69bec506d5b88190bcf6e7cb5f602c2f`	completed	March 21, 2026, 4:19 p.m.
NED2	Entity disambiguation (via description)	`batch_69bec5ae111c8190914e93dc1680d36e`	completed	March 21, 2026, 4:22 p.m.

Created at: March 20, 2026, 1:40 p.m.