Triple
T609484
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | K4s Pacific |
E12064
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Pennsylvania Railroad Lines West |
E77222
|
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 Lines West | Statement: [K4s Pacific, operator, Pennsylvania Railroad Lines West]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Lines West Context triple: [K4s Pacific, operator, Pennsylvania Railroad Lines West]
-
A.
Pennsylvania Railroad Lines East
chosen
Pennsylvania Railroad Lines East was the eastern operating division of the Pennsylvania Railroad, managing its passenger and freight services across key routes in the northeastern United States.
-
B.
Great Western Main Line
The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
-
C.
Paoli/Thorndale Line
The Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs west from Center City to Paoli and Thorndale, serving numerous suburban communities along the former Pennsylvania Railroad Main Line.
-
D.
Trenton Line
Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
-
E.
Philadelphia, Germantown and Norristown Railroad
The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
- 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_69a493309df48190a327f748e88049a6 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49df68f2c8190a0ee9da4692b2a62 |
completed | March 1, 2026, 8:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a563c40fbc81908b117bc6139507d2 |
completed | March 2, 2026, 10:17 a.m. |
Created at: March 1, 2026, 7:35 p.m.