Triple
T448452
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Empire Corridor |
E7073
|
entity |
| Predicate | usesService |
P1294
|
FINISHED |
| Object | Lake Shore Limited |
E4023
|
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: Lake Shore Limited | Statement: [Amtrak Empire Corridor, usesService, Lake Shore Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Shore Limited Context triple: [Amtrak Empire Corridor, usesService, 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.
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.
-
C.
Canada Lands Company
Canada Lands Company is a federal Crown corporation in Canada responsible for managing, redeveloping, and optimizing the value of strategic real estate and attractions owned by the Government of Canada.
-
D.
Sunset Limited
Sunset Limited is a long-distance Amtrak passenger train route that runs across the southern United States, historically connecting the Gulf Coast to the West Coast.
-
E.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
- 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_69a2e7e4676c81909ea0dbdecac0687c |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2f01d8fa88190849d720b029db479 |
completed | Feb. 28, 2026, 1:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a442a899d08190a0e3f04bffd4aca3 |
completed | March 1, 2026, 1:44 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.