Triple
T2525130
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cross-City Line |
E56016
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | Central Trains |
E129614
|
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: Central Trains | Statement: [Cross-City Line, formerOperator, Central Trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central Trains Context triple: [Cross-City Line, formerOperator, Central Trains]
-
A.
Central Trains (former)
chosen
Central Trains was a former British train operating company that provided regional and local passenger rail services across the Midlands and surrounding areas in England.
-
B.
Amtrak Northeast Regional
Amtrak Northeast Regional is a passenger rail service that provides frequent intercity connections between major cities in the northeastern United States, including Boston, New York, Philadelphia, and Washington, D.C.
-
C.
Trinity Railway Express
Trinity Railway Express is a commuter rail service connecting Dallas and Fort Worth, Texas, providing regional passenger transportation across the Dallas–Fort Worth metroplex.
-
D.
Amtrak Empire Service
Amtrak Empire Service is a passenger rail route in New York State that connects New York City with upstate destinations such as Albany, Buffalo, and Niagara Falls.
-
E.
Amtrak Maple Leaf
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.
- 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_69ab4a48e4f081908f1218d244608659 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd2544b4481908e105294cebdbb1f |
completed | March 7, 2026, 7:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af2bacd4108190980b32c9fa302a72 |
completed | March 9, 2026, 8:21 p.m. |
Created at: March 6, 2026, 9:46 p.m.