Triple
T14917354
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad K4s class |
E371413
|
entity |
| Predicate | usedOnService |
P2367
|
FINISHED |
| Object | New York–Chicago passenger trains |
E583876
|
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: New York–Chicago passenger trains | Statement: [Pennsylvania Railroad K4s class, usedOnService, New York–Chicago passenger trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York–Chicago passenger trains Context triple: [Pennsylvania Railroad K4s class, usedOnService, New York–Chicago passenger trains]
-
A.
New York–Chicago main line
chosen
The New York–Chicago main line was a principal intercity rail corridor in the United States that connected the East Coast metropolis of New York City with the Midwestern hub of Chicago.
-
B.
Amtrak Illinois Zephyr
The Amtrak Illinois Zephyr is a state-supported passenger train service operating in Illinois, primarily running between Chicago and Quincy with stops at intermediate cities along the route.
-
C.
Amtrak Pere Marquette line
The Amtrak Pere Marquette line is a passenger rail route in the Midwestern United States that connects Chicago with several cities along the eastern shore of Lake Michigan.
-
D.
Amtrak Maple Leaf
Amtrak Maple Leaf is an intercity passenger train service operated by Amtrak between New York City and Toronto, Canada, running along the Hudson River and through upstate New York into Ontario.
-
E.
Amtrak Carl Sandburg
Amtrak Carl Sandburg is a state-supported passenger train operated by Amtrak in Illinois, running between Chicago and Quincy with stops at intermediate cities such as Naperville.
- 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.