Triple
T23134145
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hounslow Central Underground station |
E577261
|
entity |
| Predicate | servedByNightService |
P24349
|
FINISHED |
| Object | Piccadilly line Night Tube (weekends, limited sections) |
—
|
NE NERFINISHED |
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: Piccadilly line Night Tube (weekends, limited sections) | Statement: [Hounslow Central Underground station, servedByNightService, Piccadilly line Night Tube (weekends, limited sections)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piccadilly line Night Tube (weekends, limited sections) Context triple: [Hounslow Central Underground station, servedByNightService, Piccadilly line Night Tube (weekends, limited sections)]
-
A.
Night Tube on Central line (weekends)
Night Tube on Central line (weekends) is Transport for London’s overnight weekend service on the Central line, running trains through Friday and Saturday nights to provide 24-hour connectivity across key parts of the network.
-
B.
Central line – Piccadilly line
The Central line – Piccadilly line interchange at Holborn station is a key London Underground connection point where passengers can transfer between the east–west Central line and the north–south Piccadilly line.
-
C.
Night Tube (weekend services on some lines passing through)
chosen
Night Tube is a London Underground service offering all-night trains on selected lines during weekend nights to provide 24-hour public transport across key parts of the city.
-
D.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
E.
Piccadilly line at Ealing Common station
The Piccadilly line at Ealing Common station is a London Underground line serving west London, providing fast, long-distance services between central London, Heathrow Airport, and Uxbridge.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245f7b0e481909c473ff4e6a54e2c |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e8ab9b08190969984f8c4494b0f |
completed | April 29, 2026, 4:52 a.m. |
Created at: April 17, 2026, 4 p.m.