Triple
T20316255
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Strategic Rail Authority |
E510386
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object | Office of Passenger Rail Franchising |
—
|
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: Office of Passenger Rail Franchising | Statement: [Strategic Rail Authority, predecessor, Office of Passenger Rail Franchising]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Office of Passenger Rail Franchising Context triple: [Strategic Rail Authority, predecessor, Office of Passenger Rail Franchising]
-
A.
Office of Passenger Rail Franchising
chosen
The Office of Passenger Rail Franchising was a UK government body responsible for awarding and overseeing passenger rail service franchises during the early years of rail privatization.
-
B.
Strategic Rail Authority
The Strategic Rail Authority was a UK government body responsible for overseeing and planning the country’s passenger rail services and franchises in the late 1990s and early 2000s.
-
C.
Progress Rail Services Corporation
Progress Rail Services Corporation is a major North American provider of railroad and transit products and services, including locomotive and railcar manufacturing, maintenance, and repair, and is a subsidiary of Caterpillar Inc.
-
D.
Amtrak Next-Generation High-Speed Rail Program
The Amtrak Next-Generation High-Speed Rail Program is an initiative to modernize and expand high-speed passenger rail service in the United States, particularly along the Northeast Corridor, through new trainsets, infrastructure upgrades, and improved travel times.
-
E.
Railinfratrust
Railinfratrust is the Dutch state-owned holding company that owns the national railway infrastructure and under which rail network manager ProRail operates.
- 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_69e0b4c7491c8190961113c4283b10b0 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e67787af188190bc32a3049c9c5b39 |
completed | April 20, 2026, 6:59 p.m. |
Created at: April 16, 2026, 11:19 a.m.