Triple
T20698796
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Louis Gateway Transportation Center |
E508722
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Amtrak Missouri River Runner |
—
|
NE NERFINISHED |
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: Amtrak Missouri River Runner | Statement: [St. Louis Gateway Transportation Center, serves, Amtrak Missouri River Runner]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Missouri River Runner Context triple: [St. Louis Gateway Transportation Center, serves, Amtrak Missouri River Runner]
-
A.
Amtrak Missouri River Runner
chosen
Amtrak Missouri River Runner is a passenger train service operated by Amtrak that runs between Kansas City and St. Louis along the Missouri River corridor.
-
B.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
C.
Amtrak Lone Star
Amtrak Lone Star was a former long-distance passenger train route that operated between Chicago and Texas in the 1970s and early 1980s before its discontinuation.
-
D.
Amtrak Illini
Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
-
E.
Amtrak Cardinal
Amtrak Cardinal is a long-distance passenger train operated by Amtrak that runs between New York City and Chicago via Washington, D.C., Charlottesville, and Cincinnati, offering scenic views through the Appalachian Mountains.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b4c2b2a481909e31e9cb8f81ab55 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6c113e4cc8190aabc11e3f2530e32 |
completed | April 21, 2026, 12:13 a.m. |
Created at: April 16, 2026, 12:11 p.m.