Triple
T14917276
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PRR K2 |
E371411
|
entity |
| Predicate | railwaySystem |
P522
|
FINISHED |
| Object | Pennsylvania Railroad system |
E435
|
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 system | Statement: [PRR K2, railwaySystem, Pennsylvania Railroad system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad system Context triple: [PRR K2, railwaySystem, Pennsylvania Railroad system]
-
A.
Philadelphia and Reading Railroad
The Philadelphia and Reading Railroad was a major 19th- and early 20th-century American railroad and coal-transporting line centered in Pennsylvania, later known as part of the Reading Company system.
-
B.
Pennsylvania Railroad Company
chosen
The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
-
C.
Lehigh Valley Railroad
Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
-
D.
Philadelphia and Western Railroad
The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
-
E.
Baltimore and Ohio Railroad
The Baltimore and Ohio Railroad was one of the earliest and most influential American railroads, playing a key role in the development of U.S. transportation and commerce in the 19th and early 20th centuries.
- 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_69fe8bd1a4548190a14e246ab69ed21c |
completed | May 9, 2026, 1:20 a.m. |
Created at: April 10, 2026, 2:32 a.m.