Triple
T5100662
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cannonball (LIRR train) |
E114972
|
entity |
| Predicate | usesLocomotive |
P5426
|
FINISHED |
| Object |
LIRR DM30AC diesel-electric locomotive
The LIRR DM30AC is a dual-mode diesel-electric locomotive used by the Long Island Rail Road to haul passenger trains between non-electrified territory and New York City terminals.
|
E495256
|
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: LIRR DM30AC diesel-electric locomotive | Statement: [Cannonball (LIRR train), usesLocomotive, LIRR DM30AC diesel-electric locomotive]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LIRR DM30AC diesel-electric locomotive Context triple: [Cannonball (LIRR train), usesLocomotive, LIRR DM30AC diesel-electric locomotive]
-
A.
LIRR C3 coaches
LIRR C3 coaches are bi-level passenger railcars used by the Long Island Rail Road to provide high-capacity commuter service, particularly on routes requiring diesel locomotives.
-
B.
EMD GP40-2H
The EMD GP40-2H is a rebuilt, passenger-equipped variant of the EMD GP40-2 diesel-electric locomotive, featuring head-end power for commuter rail service.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: LIRR DM30AC diesel-electric locomotive Triple: [Cannonball (LIRR train), usesLocomotive, LIRR DM30AC diesel-electric locomotive]
Generated description
The LIRR DM30AC is a dual-mode diesel-electric locomotive used by the Long Island Rail Road to haul passenger trains between non-electrified territory and New York City terminals.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: LIRR DM30AC diesel-electric locomotive Target entity description: The LIRR DM30AC is a dual-mode diesel-electric locomotive used by the Long Island Rail Road to haul passenger trains between non-electrified territory and New York City terminals.
-
A.
LIRR C3 coaches
LIRR C3 coaches are bi-level passenger railcars used by the Long Island Rail Road to provide high-capacity commuter service, particularly on routes requiring diesel locomotives.
-
B.
EMD GP40-2H
The EMD GP40-2H is a rebuilt, passenger-equipped variant of the EMD GP40-2 diesel-electric locomotive, featuring head-end power for commuter rail service.
-
C.
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.
-
D.
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.
-
E.
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.
- 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.