Triple
T14917357
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad K4s class |
E371413
|
entity |
| Predicate | notableExample |
P1503
|
FINISHED |
| Object | PRR 1361 |
E2987
|
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: PRR 1361 | Statement: [Pennsylvania Railroad K4s class, notableExample, PRR 1361]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PRR 1361 Context triple: [Pennsylvania Railroad K4s class, notableExample, PRR 1361]
-
A.
PRR
PRR is a set of UK financial regulations governing the content and approval of prospectuses for securities offerings to protect investors and ensure market transparency.
-
B.
PRR
chosen
PRR is the abbreviation commonly used for the Pennsylvania Railroad Company, once one of the largest and most influential railroads in the United States.
-
C.
PRR T1
The PRR T1 was a class of streamlined 4-4-4-4 duplex steam locomotives built for the Pennsylvania Railroad in the 1940s, known for their high-speed passenger service and distinctive Art Deco styling.
-
D.
PRR K2
The PRR K2 was an early class of steam locomotives used by the Pennsylvania Railroad, serving as a predecessor to the more famous K4s Pacific-type engines.
-
E.
PRR E8
The PRR E8 was a class of experimental 4-4-2 "Atlantic" type steam locomotives built by the Pennsylvania Railroad in the early 20th century to test high-speed passenger service concepts.
- 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_69fe72bf2120819099df39bdc1da691b |
completed | May 8, 2026, 11:33 p.m. |
Created at: April 10, 2026, 2:32 a.m.