Triple
T15965763
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Roanoke Shops |
E387185
|
entity |
| Predicate | successorRailroad |
P76977
|
FINISHED |
| Object | Norfolk Southern Railway |
E11672
|
NE FINISHED |
How this triple was built (3 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 Southern Railway | Statement: [Roanoke Shops, successorRailroad, Norfolk Southern Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norfolk Southern Railway Context triple: [Roanoke Shops, successorRailroad, Norfolk Southern Railway]
-
A.
Norfolk Southern Railway
chosen
Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
B.
CSX Transportation
CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
C.
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.
-
D.
CSX
CSX is the IATA airport code for Changsha Huanghua International Airport, the main air gateway serving Changsha in Hunan Province, China.
-
E.
Consolidated Rail Corporation
Consolidated Rail Corporation, commonly known as Conrail, was a major U.S. freight railroad created in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: successorRailroad Context triple: [Roanoke Shops, successorRailroad, Norfolk Southern Railway]
-
A.
successorHighway
Indicates that one highway directly follows or continues from another in a sequence or route.
-
B.
followsFormerRailroad
Indicates that something is aligned with or traces the route of a former railroad line.
-
C.
relatedRailroad
chosen
Indicates that there is an association or connection between an entity and a specific railroad, such as ownership, operation, service, or historical linkage.
-
D.
formerRailroad
Indicates that an entity was previously a railroad but no longer functions as one.
-
E.
followsRailroad
Indicates that one entity is aligned with or travels along the path defined by a railroad.
- F. None of above.
Provenance (4 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_69e173b3bf6c81909230170e833d7ce7 |
completed | April 16, 2026, 11:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fffee76e9481908e74c32cb8263875 |
completed | May 10, 2026, 3:43 a.m. |
| PD | Predicate disambiguation | batch_69e142d6fb588190b4176eab4bbae774 |
completed | April 16, 2026, 8:13 p.m. |
Created at: April 10, 2026, 4:54 a.m.