Triple
T14917281
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PRR K2 |
E371411
|
entity |
| Predicate | designedBy |
P184
|
FINISHED |
| Object | Pennsylvania Railroad mechanical department |
E76912
|
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 mechanical department | Statement: [PRR K2, designedBy, Pennsylvania Railroad mechanical department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad mechanical department Context triple: [PRR K2, designedBy, Pennsylvania Railroad mechanical department]
-
A.
Pennsylvania Railroad laboratories
Pennsylvania Railroad laboratories were the research and testing facilities of the Pennsylvania Railroad, where scientific and engineering studies were conducted to improve railroad materials, equipment, and operations.
-
B.
Pennsylvania Railroad Altoona Works
chosen
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.
-
C.
Pennsylvania Railroad freight cars
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.
-
D.
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.
-
E.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
- 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_69d85cc7ea3481908228b5acb7d06f12 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded62038508190946499cd3552990e |
completed | April 15, 2026, 12:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe7e86ce888190b03056db39438701 |
completed | May 9, 2026, 12:23 a.m. |
Created at: April 10, 2026, 2:32 a.m.