Triple
T6336915
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | DBY |
E142512
|
entity |
| Predicate | managedBy |
P86
|
FINISHED |
| Object | National Rail Enquiries |
E35053
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: [DBY, managedBy, National Rail Enquiries]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Rail Enquiries Context triple: [DBY, managedBy, 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.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69c008d4d8e88190ad301c05b08722ac |
elicitation | completed |
| NER | batch_69c0654c63508190b51f7b622388e5ad |
ner | completed |
| NED1 | batch_69c604307b388190bbc59f5f57cb4bbe |
ned_source_triple | completed |
Created at: March 22, 2026, 4:30 p.m.