Triple
T24117105
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Louis Union Station |
E597545
|
entity |
| Predicate | trainServiceEnded |
P27833
|
FINISHED |
| Object | 1978 |
—
|
LITERAL 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: 1978 | Statement: [St. Louis Union Station, trainServiceEnded, 1978]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: trainServiceEnded Context triple: [St. Louis Union Station, trainServiceEnded, 1978]
-
A.
railServiceEnded
chosen
Indicates that a previously operating rail service has been discontinued or terminated.
-
B.
rideOperationEnded
Indicates that the operation or running state of a ride has come to an end.
-
C.
ferryServiceEnded
Indicates that a previously operating ferry service between locations has been discontinued or terminated.
-
D.
serviceResumedAsAmtrakTerminus
Indicates that train service has been restarted at a station, with that station now functioning as the endpoint (terminus) for Amtrak operations on the route.
-
E.
servedByNamedTrain
Indicates that a service, route, or journey is operated specifically by a train with a particular designated name.
- F. None of above.
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_69e288c74200819098ab875b592cb39f |
completed | April 17, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69f1dedf824081908de34db4ced62c13 |
completed | April 29, 2026, 10:35 a.m. |
| PD | Predicate disambiguation | batch_69f17651458c8190bbfd301883e46085 |
completed | April 29, 2026, 3:09 a.m. |
Created at: April 17, 2026, 11:04 p.m.