Triple
T764628
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Wales Main Line |
E16146
|
entity |
| Predicate | electrifiedSection |
P14045
|
FINISHED |
| Object |
London Paddington–Cardiff Central
London Paddington–Cardiff Central is a major intercity rail corridor in Great Britain linking central London with the Welsh capital, Cardiff.
|
E16146
|
NE FINISHED |
How this triple was built (5 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 Paddington–Cardiff Central | Statement: [South Wales Main Line, electrifiedSection, London Paddington–Cardiff Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Paddington–Cardiff Central Context triple: [South Wales Main Line, electrifiedSection, London Paddington–Cardiff Central]
-
A.
London Euston – Birmingham
London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
-
B.
Birmingham New Street
Birmingham New Street is the main railway station in Birmingham, England, and one of the busiest rail hubs in the United Kingdom.
-
C.
South Wales Main Line
The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
-
D.
Bristol Temple Meads
Bristol Temple Meads is the main railway station in Bristol, England, serving as a major regional and intercity transport hub.
-
E.
Cardiff Central railway station
Cardiff Central railway station is the main railway hub in Cardiff, Wales, serving as a major interchange on the South Wales Main Line with extensive regional and long-distance services.
- 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: London Paddington–Cardiff Central Triple: [South Wales Main Line, electrifiedSection, London Paddington–Cardiff Central]
Generated description
London Paddington–Cardiff Central is a major intercity rail corridor in Great Britain linking central London with the Welsh capital, Cardiff.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: London Paddington–Cardiff Central Target entity description: London Paddington–Cardiff Central is a major intercity rail corridor in Great Britain linking central London with the Welsh capital, Cardiff.
-
A.
London Euston – Birmingham
London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
-
B.
Birmingham New Street
Birmingham New Street is the main railway station in Birmingham, England, and one of the busiest rail hubs in the United Kingdom.
-
C.
South Wales Main Line
chosen
The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
-
D.
Bristol Temple Meads
Bristol Temple Meads is the main railway station in Bristol, England, serving as a major regional and intercity transport hub.
-
E.
Cardiff Central railway station
Cardiff Central railway station is the main railway hub in Cardiff, Wales, serving as a major interchange on the South Wales Main Line with extensive regional and long-distance services.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: electrifiedSection Context triple: [South Wales Main Line, electrifiedSection, London Paddington–Cardiff Central]
-
A.
electrificationSystem
Indicates the type of electrical power system used to supply energy (typically to infrastructure or vehicles) for operation.
-
B.
electrification
Indicates the process or state of providing electrical power or converting something to operate using electricity.
-
C.
isElectricRailway
Indicates that a given railway system operates using electric power rather than diesel or other forms of propulsion.
-
D.
electrificationUsedBetween
chosen
Indicates that an electrification system or method is applied or present along the segment or connection between two entities.
-
E.
hasElectricCharge
Indicates that an entity possesses a nonzero electric charge as a physical property.
- F. None of above.
Provenance (6 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_69a493684ee48190bd43b7c78da4aec8 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a69dfeb08190b54a476cfa66e6d6 |
completed | March 1, 2026, 8:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a65e46d86c81908bc0ea469ccb091d |
completed | March 3, 2026, 4:06 a.m. |
| NEDg | Description generation | batch_69a65eeaa34481909b0deac860fbadfc |
completed | March 3, 2026, 4:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a65f7b09b08190bf38f02a912b2276 |
completed | March 3, 2026, 4:11 a.m. |
| PD | Predicate disambiguation | batch_69a4a506106081909ef97a679ff00a5a |
completed | March 1, 2026, 8:43 p.m. |
Created at: March 1, 2026, 7:37 p.m.