Triple
T14675982
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Niagara Falls station (Canada) |
E344647
|
entity |
| Predicate | service |
P4690
|
FINISHED |
| Object | Via Rail Maple Leaf |
E68441
|
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: Via Rail Maple Leaf | Statement: [Niagara Falls station (Canada), service, Via Rail Maple Leaf]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Via Rail Maple Leaf Context triple: [Niagara Falls station (Canada), service, Via Rail Maple Leaf]
-
A.
Via Rail
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
B.
NFS (Via Rail)
NFS (Via Rail) is the station code used by VIA Rail Canada for its Niagara Falls, Ontario passenger rail station.
-
C.
Toronto Rocket trains
Toronto Rocket trains are the modern, fully accessible subway cars used on Toronto’s heavy-rail network, featuring open gangways, automated announcements, and updated safety and passenger information systems.
-
D.
Amtrak Maple Leaf
chosen
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 Montrealer
The Amtrak Montrealer was a former overnight passenger train that operated between Washington, D.C., and Montreal, providing cross-border service through New England before its discontinuation and replacement by the Vermonter.
- 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_69d822e283fc8190a0e4c235cf880052 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69deb5666e648190b5faa07076f497b8 |
completed | April 14, 2026, 9:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fdf07e355881908a2e75ccff4f0590 |
completed | May 8, 2026, 2:17 p.m. |
Created at: April 10, 2026, 1:27 a.m.