Triple
T15082681
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chappaqua station |
E360188
|
entity |
| Predicate | formerOperator |
P179
|
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: [Chappaqua station, formerOperator, Penn Central Transportation Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penn Central Transportation Company Context triple: [Chappaqua station, formerOperator, 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.
Delaware and Hudson Railway
The Delaware and Hudson Railway was a historic railroad in the northeastern United States that evolved from early canal operations into a major regional freight and passenger carrier.
-
C.
Scenic Hudson
Scenic Hudson is a nonprofit environmental organization dedicated to protecting and restoring the Hudson River and its surrounding landscapes while promoting public access to parks and trails.
-
D.
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.
-
E.
National City Lines
National City Lines was a U.S. holding company that acquired and operated numerous local transit systems, often associated with the mid-20th-century shift from streetcars to buses.
- 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_69d85a035aa88190b52a139d3a1b7b6d |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e0027450a48190a84588b6aaf84ebf |
completed | April 15, 2026, 9:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feae179a24819097019976707c93e1 |
completed | May 9, 2026, 3:46 a.m. |
Created at: April 10, 2026, 3:03 a.m.