Triple
T15976205
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Norfolk and Western Class A |
E387453
|
entity |
| Predicate | relatedClass |
P25008
|
FINISHED |
| Object | Norfolk and Western Class J |
E387184
|
NE FINISHED |
How this triple was built (2 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: Norfolk and Western Class J | Statement: [Norfolk and Western Class A, relatedClass, Norfolk and Western Class J]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norfolk and Western Class J Context triple: [Norfolk and Western Class A, relatedClass, Norfolk and Western Class J]
-
A.
Norfolk and Western Class J
chosen
The Norfolk and Western Class J was a famed series of streamlined 4-8-4 steam locomotives renowned for their power, efficiency, and elegant design, used primarily for high-speed passenger service in the mid-20th century United States.
-
B.
Norfolk and Western Class A
Norfolk and Western Class A was a series of powerful articulated steam locomotives built for high-speed freight service on the Norfolk and Western Railway in the mid-20th century.
-
C.
Nickel Plate Road 2-8-4 Berkshires
The Nickel Plate Road 2-8-4 Berkshires were powerful high-speed steam freight locomotives famed for their role in hauling fast freight trains across the Nickel Plate Road in the mid-20th century.
-
D.
EMD GP40
The EMD GP40 is a four-axle diesel-electric locomotive built by Electro-Motive Division in the late 1960s and early 1970s, widely used by North American railroads for freight service.
-
E.
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d86da94ccc819083d187f5dc6a123e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1575166d081909c5275c235c8ce0f |
completed | April 16, 2026, 9:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffbe8ce7788190a3e0aefc9a29d58a |
completed | May 9, 2026, 11:09 p.m. |
Created at: April 10, 2026, 4:54 a.m.