Triple
T12611627
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central line (West Ruislip branch) |
E301136
|
entity |
| Predicate | ticketingIntegration |
P5883
|
FINISHED |
| Object | National Rail and TfL zonal system |
E293566
|
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: National Rail and TfL zonal system | Statement: [Central line (West Ruislip branch), ticketingIntegration, National Rail and TfL zonal system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Rail and TfL zonal system Context triple: [Central line (West Ruislip branch), ticketingIntegration, National Rail and TfL zonal system]
-
A.
London fare zones
chosen
London fare zones are the concentric geographic pricing areas used by Transport for London to determine ticket and travel costs across the city’s public transport network.
-
B.
Travelcard Zones 1–5
Travelcard Zones 1–5 are a set of concentric public transport fare zones in London covering central and much of suburban Greater London for use on services such as the Underground, buses, and trains.
-
C.
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.
-
D.
National Rail services in London
National Rail services in London comprise the network of mainline train operators providing suburban, regional, and long-distance rail connections across the capital and to the rest of the UK.
-
E.
National Rail smartcard schemes
National Rail smartcard schemes are contactless, interoperable ticketing systems used across much of Britain’s rail network to allow passengers to store and use train tickets electronically on smartcards.
- 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_69d7bdea2ca881908f379526c13b1145 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d954ea1d748190a848e8a7873e2ea5 |
completed | April 10, 2026, 7:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f65ed1044c8190bbe881d32a4bf29e |
completed | May 2, 2026, 8:30 p.m. |
Created at: April 9, 2026, 5:11 p.m.