Triple
T969783
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | DE30AC locomotive |
E20919
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
EMD
EMD (Electro-Motive Division) is a major American manufacturer of diesel-electric locomotives and railway equipment, widely used by railroads around the world.
|
E11977
|
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 | Statement: [DE30AC locomotive, manufacturer, EMD]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EMD Context triple: [DE30AC locomotive, manufacturer, EMD]
-
A.
EMD
EMD is the commonly used abbreviation for the Engineering Management Division, a professional group focused on the practice and advancement of engineering management.
-
B.
EMI
EMI was a major British music company and record label group known for signing and distributing many of the world’s leading recording artists.
-
C.
BMT
BMT (Brooklyn–Manhattan Transit Corporation) was a major private New York City subway operator whose lines now form one of the primary divisions of the modern NYC Subway system.
-
D.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
-
E.
The Diesel
The Diesel is the nickname of Pro Football Hall of Fame running back John Riggins, renowned for his powerful, hard-charging rushing style with the Washington Redskins.
- 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 Triple: [DE30AC locomotive, manufacturer, EMD]
Generated description
EMD (Electro-Motive Division) is a major American manufacturer of diesel-electric locomotives and railway equipment, widely used by railroads around the world.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: EMD Target entity description: EMD (Electro-Motive Division) is a major American manufacturer of diesel-electric locomotives and railway equipment, widely used by railroads around the world.
-
A.
EMD
chosen
EMD is the commonly used abbreviation for the Engineering Management Division, a professional group focused on the practice and advancement of engineering management.
-
B.
EMI
EMI was a major British music company and record label group known for signing and distributing many of the world’s leading recording artists.
-
C.
BMT
BMT (Brooklyn–Manhattan Transit Corporation) was a major private New York City subway operator whose lines now form one of the primary divisions of the modern NYC Subway system.
-
D.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
-
E.
The Diesel
The Diesel is the nickname of Pro Football Hall of Fame running back John Riggins, renowned for his powerful, hard-charging rushing style with the Washington Redskins.
- F. None of above.
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_69a493b33d2c81909c52c369d3ca8436 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b4497d688190b59c3a195e377080 |
completed | March 1, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac1707339081909c69c7c613eed383 |
completed | March 7, 2026, 12:16 p.m. |
| NEDg | Description generation | batch_69ac1841a6188190bca3ab98eb169d47 |
completed | March 7, 2026, 12:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac18afee148190ac7431327588c31b |
completed | March 7, 2026, 12:23 p.m. |
Created at: March 1, 2026, 7:40 p.m.