Triple
T328307
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Station (Baltimore) |
E6568
|
entity |
| Predicate | formerOwner |
P347
|
FINISHED |
| Object | Penn Central Transportation Company |
E9233
|
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: Penn Central Transportation Company | Statement: [Pennsylvania Station (Baltimore), formerOwner, Penn Central Transportation Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penn Central Transportation Company Context triple: [Pennsylvania Station (Baltimore), formerOwner, Penn Central Transportation Company]
-
A.
Penn Central Transportation Company
chosen
Penn Central Transportation Company was a major American railroad formed in 1968 by the merger of the Pennsylvania Railroad and the New York Central Railroad, later becoming infamous for its massive bankruptcy.
-
B.
New York Central Railroad
New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
-
C.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
-
D.
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.
-
E.
PATCO Speedline
PATCO Speedline is a rapid transit rail system linking southern New Jersey with Center City Philadelphia, primarily serving commuters across the Delaware River.
- 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_69a2e7933d6c8190bb2592ad13286ef2 |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2ea98fa2c8190a5b44f4a26543a17 |
completed | Feb. 28, 2026, 1:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3d241f924819087dedd32d7b6cc2b |
completed | March 1, 2026, 5:44 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.