Triple
T3233076
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harlem Line |
E67786
|
entity |
| Predicate | historicalOperator |
P2834
|
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: [Harlem Line, historicalOperator, Penn Central Transportation Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penn Central Transportation Company Context triple: [Harlem Line, historicalOperator, 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.
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.
-
D.
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.
-
E.
Erie Railroad
The Erie Railroad was a major 19th- and early 20th-century American railroad that operated extensive passenger and freight services across the northeastern United States, particularly linking New York City with the Midwest.
- 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_69ad858c61888190a31196310d9b30b5 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adaedb718c8190aae12f763033713a |
completed | March 8, 2026, 5:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2773b494c8190a2c0c5042e8eaa55 |
completed | March 12, 2026, 8:20 a.m. |
Created at: March 8, 2026, 3:08 p.m.