Triple
T4509711
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Waterloo–Exeter |
E102018
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object |
South West Trains
South West Trains was a major British train operating company that provided suburban and long-distance rail services across southwest London and southern England until it ceased operations in 2017.
|
E77673
|
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: South West Trains | Statement: [London Waterloo–Exeter, formerOperator, South West Trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South West Trains Context triple: [London Waterloo–Exeter, formerOperator, South West Trains]
-
A.
Virgin Trains
Virgin Trains was a British train operating company under Richard Branson’s Virgin Group brand that ran long-distance passenger rail services in the UK.
-
B.
South Western Railway
South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
-
C.
South Western Railway
South Western Railway is a zone of Indian Railways responsible for operating and managing rail services primarily across the state of Karnataka and parts of its neighboring regions.
-
D.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
E.
Govia Thameslink Railway
Govia Thameslink Railway is a major UK train operating company that runs the Thameslink, Southern, Great Northern, and Gatwick Express services across London and surrounding regions.
- 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: South West Trains Triple: [London Waterloo–Exeter, formerOperator, South West Trains]
Generated description
South West Trains was a major British train operating company that provided suburban and long-distance rail services across southwest London and southern England until it ceased operations in 2017.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: South West Trains Target entity description: South West Trains was a major British train operating company that provided suburban and long-distance rail services across southwest London and southern England until it ceased operations in 2017.
-
A.
Virgin Trains
Virgin Trains was a British train operating company under Richard Branson’s Virgin Group brand that ran long-distance passenger rail services in the UK.
-
B.
South Western Railway
South Western Railway is a zone of Indian Railways responsible for operating and managing rail services primarily across the state of Karnataka and parts of its neighboring regions.
-
C.
South Western Railway
chosen
South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
-
D.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
E.
Govia Thameslink Railway
Govia Thameslink Railway is a major UK train operating company that runs the Thameslink, Southern, Great Northern, and Gatwick Express services across London and surrounding regions.
- F. None of above.
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_69bd43d6251c81909deecce3e6e9d69c |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd571138b88190b68bbfc4300aaf9d |
completed | March 20, 2026, 2:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdb90b785c81909e76469819f3a487 |
completed | March 20, 2026, 9:15 p.m. |
| NEDg | Description generation | batch_69bdbdb3b5908190885e30d442a4cdd3 |
completed | March 20, 2026, 9:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bdbe1bcd8c819094adea59c91c6f5b |
completed | March 20, 2026, 9:37 p.m. |
Created at: March 20, 2026, 1:01 p.m.