Triple
T5707707
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chiltern Railways |
E125825
|
entity |
| Predicate | primaryLondonTerminus |
P24452
|
FINISHED |
| Object | London Marylebone station |
E252427
|
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: London Marylebone station | Statement: [Chiltern Railways, primaryLondonTerminus, London Marylebone station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Marylebone station Context triple: [Chiltern Railways, primaryLondonTerminus, London Marylebone station]
-
A.
Marylebone station
chosen
Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
-
B.
London Paddington station
London Paddington station is a major central London railway terminus and London Underground hub, designed by Isambard Kingdom Brunel, serving intercity, regional, and airport services including links to Heathrow.
-
C.
London Victoria railway station
London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
-
D.
London Waterloo railway station
London Waterloo railway station is a major central London terminus and one of the busiest railway stations in the United Kingdom, serving as a key hub for suburban and long-distance services in the south of England.
-
E.
London Bridge railway station
London Bridge railway station is a major central London rail and Underground hub, serving as one of the city’s oldest and busiest commuter interchanges on the south bank of the River Thames.
- 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_69c0082d6fe48190b777fb383769e5c8 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c024892fd88190a91133fc88365410 |
completed | March 22, 2026, 5:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c05a6c17608190a9a808c2c77d937c |
completed | March 22, 2026, 9:09 p.m. |
Created at: March 22, 2026, 3:45 p.m.