Triple
T3385586
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St Paul’s Underground station |
E71292
|
entity |
| Predicate | nightService |
P9559
|
FINISHED |
| Object |
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.
|
E352335
|
NE FINISHED |
How this triple was built (4 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: Night Tube on Central line (weekends) | Statement: [St Paul’s Underground station, nightService, Night Tube on Central line (weekends)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Night Tube on Central line (weekends) Context triple: [St Paul’s Underground station, nightService, Night Tube on Central line (weekends)]
-
A.
Jubilee line extension
The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
-
B.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
C.
Jubilee line
The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
-
D.
London Overground
London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
-
E.
Central line (West Ruislip branch)
The Central line (West Ruislip branch) is a western suburban branch of London Underground’s Central line, running from central London out to West Ruislip and serving areas including the London Borough of Hillingdon.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Night Tube on Central line (weekends) Triple: [St Paul’s Underground station, nightService, Night Tube on Central line (weekends)]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Night Tube on Central line (weekends) Target entity description: 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.
-
A.
Jubilee line extension
The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
-
B.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
C.
Jubilee line
The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
-
D.
London Overground
London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
-
E.
Central line (West Ruislip branch)
The Central line (West Ruislip branch) is a western suburban branch of London Underground’s Central line, running from central London out to West Ruislip and serving areas including the London Borough of Hillingdon.
- F. None of above. chosen
Provenance (5 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_69ad85a8fd9c819095ecedf838d2bf1b |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb5ee5e188190912dcea494a12038 |
completed | March 8, 2026, 5:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b33455ae2481908e6478cb240b31c1 |
completed | March 12, 2026, 9:47 p.m. |
| NEDg | Description generation | batch_69b334f75e708190aed8b388c9ea55d2 |
completed | March 12, 2026, 9:49 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b3359bbf388190979c6003a9ed05b2 |
completed | March 12, 2026, 9:52 p.m. |
Created at: March 8, 2026, 3:14 p.m.