Triple
T4588120
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tattenham Corner railway station |
E103417
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | London Victoria–Tattenham Corner services |
E157291
|
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 Victoria–Tattenham Corner services | Statement: [Tattenham Corner railway station, servedBy, London Victoria–Tattenham Corner services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Victoria–Tattenham Corner services Context triple: [Tattenham Corner railway station, servedBy, London Victoria–Tattenham Corner services]
-
A.
West London line
The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
-
B.
Epsom Downs line
chosen
The Epsom Downs line is a suburban railway route in South London and Surrey that connects Sutton to Epsom Downs, serving several commuter towns along the way.
-
C.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
D.
Piccadilly line
The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
-
E.
Hamilton Circle Line
The Hamilton Circle Line is a suburban railway route in South Lanarkshire, Scotland, that forms a loop serving Hamilton and surrounding towns as part of the Glasgow commuter rail network.
- 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_69bd43dccaf08190aa89e9991a289719 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd592115fc8190b1aee1d8bbaf1ee3 |
completed | March 20, 2026, 2:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bde0b9f700819082b0e5171132d0f3 |
completed | March 21, 2026, 12:05 a.m. |
Created at: March 20, 2026, 1:11 p.m.