Triple
T15582598
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad freight cars |
E374536
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Pennsylvania Railroad rolling stock |
E374536
|
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: Pennsylvania Railroad rolling stock | Statement: [Pennsylvania Railroad freight cars, partOf, Pennsylvania Railroad rolling stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad rolling stock Context triple: [Pennsylvania Railroad freight cars, partOf, Pennsylvania Railroad rolling stock]
-
A.
Pennsylvania Railroad freight cars
chosen
Pennsylvania Railroad freight cars were the rolling stock used by the Pennsylvania Railroad to transport goods across its extensive rail network in the United States.
-
B.
Pennsylvania Railroad passenger cars
Pennsylvania Railroad passenger cars were the fleet of rail coaches used by the Pennsylvania Railroad to carry passengers across its extensive network in the United States.
-
C.
Pennsylvania Railroad locomotives
Pennsylvania Railroad locomotives are the various steam, electric, and diesel engines that powered the trains of the historic Pennsylvania Railroad, one of the largest and most influential railroads in the United States.
-
D.
Pennsylvania Railroad Mechanical Department
The Pennsylvania Railroad Mechanical Department was the in-house engineering division of the Pennsylvania Railroad responsible for designing and developing its locomotives and rolling stock.
-
E.
Pennsylvania Railroad Altoona Works
Pennsylvania Railroad Altoona Works was a major locomotive and railcar manufacturing and maintenance complex in Altoona, Pennsylvania, renowned as one of the most important railroad shops in the United States.
- 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_69d85ccd575081908909b71a3f3e3a61 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04e45ee3c8190a6aee06a5805ca39 |
completed | April 16, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff4c4f71e48190a15eb0a2138f083f |
completed | May 9, 2026, 3:01 p.m. |
Created at: April 10, 2026, 4:11 a.m.