Triple
T23051421
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak at South Station |
E574023
|
entity |
| Predicate | hubFor |
P423
|
FINISHED |
| Object | Lake Shore Limited |
—
|
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: Lake Shore Limited | Statement: [Amtrak at South Station, hubFor, Lake Shore Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Shore Limited Context triple: [Amtrak at South Station, hubFor, Lake Shore Limited]
-
A.
Lake Shore Limited
chosen
The Lake Shore Limited is a long-distance Amtrak passenger train that runs overnight between Chicago and the East Coast, primarily serving New York City and Boston via the Great Lakes region.
-
B.
North Coast Limited
The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
-
C.
Ontario Place Corporation
Ontario Place Corporation was a provincial Crown agency in Ontario, Canada, responsible for operating and programming the Ontario Place waterfront entertainment and cultural complex in Toronto.
-
D.
Woodbine Development Corporation
Woodbine Development Corporation is a Dallas-based real estate development firm known for creating prominent commercial and hospitality projects, including iconic landmarks in the city’s skyline.
-
E.
Northport Limited
Northport Limited is a New Zealand port company that owns and operates the deep-water commercial port at Marsden Point in Northland.
- 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_69e245ba7ae48190be606dbc54120e39 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1867d010c8190bc5dba6758d0b797 |
completed | April 29, 2026, 4:18 a.m. |
Created at: April 17, 2026, 3:54 p.m.