Triple
T12852293
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harrow & Wealdstone railway station |
E307352
|
entity |
| Predicate | isOnNetwork |
P33235
|
FINISHED |
| Object | National Rail network |
E2215
|
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 network | Statement: [Harrow & Wealdstone railway station, isOnNetwork, National Rail network]
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 network Context triple: [Harrow & Wealdstone railway station, isOnNetwork, National Rail network]
-
A.
British railway network
The British railway network is the nationwide system of interconnected passenger and freight rail lines, stations, and services that spans the United Kingdom.
-
B.
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.
-
C.
National Rail
chosen
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.
Manchester rail network
The Manchester rail network is the interconnected system of railway lines, stations, and services that serves the city of Manchester and its surrounding region as a major transport hub in northern England.
-
E.
National Rail Enquiries
National Rail Enquiries is the official information service for Britain’s National Rail network, providing timetables, fares, and real-time journey updates to passengers.
- 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_69d7bdf5e7cc8190be357278bc5ba3bb |
elicitation | completed |
| NER | batch_69d97020eacc81909357b3398d17dc49 |
ner | completed |
| NED1 | batch_69f6a549fc188190a7dfcf16faa5e415 |
ned_source_triple | completed |
Created at: April 9, 2026, 5:36 p.m.