Triple
T9954654
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brantford railway station |
E195415
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | VIA Rail Corridor trains |
E127380
|
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 Corridor trains | Statement: [Brantford railway station, servedBy, VIA Rail Corridor trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: VIA Rail Corridor trains Context triple: [Brantford railway station, servedBy, VIA Rail Corridor trains]
-
A.
Via Rail
chosen
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
B.
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.
-
C.
Biotrén commuter rail
Biotrén commuter rail is a suburban passenger train system serving the Greater Concepción metropolitan area in Chile, connecting key urban and outlying communities.
-
D.
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.
-
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_69ca82eaaa008190a54fa1a9f954b9ad |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb694b95481909d049302818e7137 |
completed | April 2, 2026, 12:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d23d6743c481908a2040eb9d260b4a |
completed | April 5, 2026, 10:45 a.m. |
Created at: March 30, 2026, 8:46 p.m.