Triple
T19086698
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PPD |
E467166
|
entity |
| Predicate | maintainedBy |
P86
|
FINISHED |
| Object | National Rail Enquiries |
—
|
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: National Rail Enquiries | Statement: [PPD, maintainedBy, National Rail Enquiries]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Rail Enquiries Context triple: [PPD, maintainedBy, National Rail Enquiries]
-
A.
National Rail Enquiries
chosen
National Rail Enquiries is the official information service for Britain’s National Rail network, providing timetables, fares, and real-time journey updates to passengers.
-
B.
National Rail
National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
-
C.
Network Rail
Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
-
D.
Northern Rail
Northern Rail is a British train operating company providing regional and commuter rail services across Northern England.
-
E.
London Underground and National Rail
London Underground and National Rail together form the integrated urban metro and nationwide mainline rail services that constitute the core of passenger rail transport in London and across Great Britain.
- 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_69d8dd05ac4c8190b1967d8f97f3fb2f |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e347ee288190a3e935ff89ca94aa |
completed | April 20, 2026, 8:26 a.m. |
Created at: April 10, 2026, 12:04 p.m.