Triple
T6306263
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lehigh and Hudson River Railway |
E141381
|
entity |
| Predicate | ownershipAfter1976 |
P69961
|
FINISHED |
| Object | Conrail |
E24202
|
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: Conrail | Statement: [Lehigh and Hudson River Railway, ownershipAfter1976, Conrail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Conrail Context triple: [Lehigh and Hudson River Railway, ownershipAfter1976, Conrail]
-
A.
Conrail
chosen
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
-
B.
Pan Am Railways
Pan Am Railways was a regional freight railroad in New England, formerly known as Guilford Rail System, that operated an extensive network across the northeastern United States.
-
C.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
D.
NI Railways
NI Railways is the primary passenger rail operator in Northern Ireland, running the region’s railway network and services.
-
E.
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.
- 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: ownershipAfter1976 Context triple: [Lehigh and Hudson River Railway, ownershipAfter1976, Conrail]
-
A.
statusAfter1956
Indicates the status or condition of an entity as it existed at any time after the year 1956.
-
B.
acquiredByCurrentOwner
Indicates that the entity was obtained or purchased by its present owner, rather than being originally created or owned by them.
-
C.
ownerDuring1865
Indicates that one entity was the legal owner of another entity specifically during the year 1865.
-
D.
statusAfter1996
Indicates the status or condition of an entity as it exists after the year 1996.
-
E.
statusAfter1946
Indicates the status or condition of an entity as it existed after the year 1946.
- 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_69c008d00efc8190a36c05b4b4a3bf4b |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c06479acec819090306a155a03b774 |
completed | March 22, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c62d2cd75c81908961633a7ccf5dc9 |
completed | March 27, 2026, 7:09 a.m. |
| PD | Predicate disambiguation | batch_69c060e311b48190b1c74a5cf9435623 |
completed | March 22, 2026, 9:36 p.m. |
| PDg | Predicate description generation | batch_69c0623bb29081908bfdfb84a07ece90 |
completed | March 22, 2026, 9:42 p.m. |
Created at: March 22, 2026, 4:28 p.m.