Triple
T19463822
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Joaquins |
E486941
|
entity |
| Predicate | ticketingSystem |
P3383
|
FINISHED |
| Object | Amtrak national reservation system |
—
|
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 national reservation system | Statement: [San Joaquins, ticketingSystem, Amtrak national reservation system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak national reservation system Context triple: [San Joaquins, ticketingSystem, Amtrak national reservation system]
-
A.
Amtrak reservation system
chosen
The Amtrak reservation system is the centralized platform used to search, book, and manage tickets and seat reservations for Amtrak’s passenger rail services across the United States.
-
B.
Amtrak mobile app
The Amtrak mobile app is a smartphone application that lets passengers search schedules, book and manage train reservations, access e-tickets, and receive real-time travel updates for Amtrak services.
-
C.
Amtrak Genesis
Amtrak Genesis is a series of streamlined diesel-electric locomotives built by GE for Amtrak’s long-distance and intercity passenger trains across the United States.
-
D.
Amtrak state-supported routes program
The Amtrak state-supported routes program is a funding and operational framework in which U.S. states partner with Amtrak to subsidize and manage shorter-distance intercity passenger rail services beyond the federally supported long-distance network.
-
E.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
- 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_69d8e8d86d608190bd199a98d0297f27 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e633cf95988190b13b2153e67d0cac |
completed | April 20, 2026, 2:10 p.m. |
Created at: April 10, 2026, 1:38 p.m.