Triple
T15965694
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Norfolk and Western Class J |
E387184
|
entity |
| Predicate | builder |
P3143
|
FINISHED |
| Object | Norfolk and Western Railway Roanoke Shops |
E387185
|
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 Railway Roanoke Shops | Statement: [Norfolk and Western Class J, builder, Norfolk and Western Railway Roanoke Shops]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norfolk and Western Railway Roanoke Shops Context triple: [Norfolk and Western Class J, builder, Norfolk and Western Railway Roanoke Shops]
-
A.
Baltimore and Ohio Railroad Martinsburg Shops
The Baltimore and Ohio Railroad Martinsburg Shops are a historic 19th-century railroad complex in Martinsburg, West Virginia, significant for its role in early American railroading and the Civil War.
-
B.
Norfolk and Western Railway
Norfolk and Western Railway was a major American railroad known for its coal-hauling operations and distinctive steam locomotive fleet, which later became part of Norfolk Southern Railway through merger.
-
C.
Roanoke Shops
chosen
Roanoke Shops is a historic railroad maintenance and locomotive-building complex in Roanoke, Virginia, long associated with the Norfolk and Western Railway’s steam and diesel operations.
-
D.
Richmond Locomotive Works
Richmond Locomotive Works was a prominent 19th- and early 20th-century American manufacturer of steam locomotives based in Richmond, Virginia.
-
E.
Norfolk Southern Bellevue Yard
Norfolk Southern Bellevue Yard is one of the largest railroad classification yards in the United States, serving as a major hub for Norfolk Southern Railway’s freight operations in the Midwest.
- 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_69e157258b3c8190a72c868bd055ed94 |
completed | April 16, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffc3c5a7d48190891e69314e67e9af |
completed | May 9, 2026, 11:31 p.m. |
Created at: April 10, 2026, 4:54 a.m.