Triple
T2294211
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Morris & Essex Lines |
E51572
|
entity |
| Predicate | historicalOperator |
P2834
|
FINISHED |
| Object | Erie Lackawanna Railway |
E141579
|
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: Erie Lackawanna Railway | Statement: [Morris & Essex Lines, historicalOperator, Erie Lackawanna Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Erie Lackawanna Railway Context triple: [Morris & Essex Lines, historicalOperator, Erie Lackawanna Railway]
-
A.
Erie Lackawanna Railway
chosen
Erie Lackawanna Railway was a mid-20th-century U.S. railroad formed from the merger of the Erie Railroad and the Delaware, Lackawanna and Western Railroad, known for serving the Northeast and Midwest before its assets were absorbed into Conrail.
-
B.
Lehigh Valley Railroad
Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
-
C.
Pennsylvania Railroad Company
The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
-
D.
Baltimore and Susquehanna Railroad
The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
-
E.
Sunbury and Erie Railroad
The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
- 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_69a88b09c644819090b503456d96bf70 |
completed | March 4, 2026, 7:42 p.m. |
| NER | Named-entity recognition | batch_69abc5da667881909186adf23a2bd45b |
completed | March 7, 2026, 6:29 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aebf214f14819098ed0edbbb2f33c0 |
completed | March 9, 2026, 12:37 p.m. |
Created at: March 4, 2026, 7:49 p.m.