Triple
T6963422
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 700 |
E161427
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object |
Bedford–St Pancras–Gatwick Airport route
The Bedford–St Pancras–Gatwick Airport route is a key north–south commuter and airport rail service in southern England, linking Bedford through central London to Gatwick Airport as part of the Thameslink network.
|
E630560
|
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: Bedford–St Pancras–Gatwick Airport route | Statement: [British Rail Class 700, usedOnLine, Bedford–St Pancras–Gatwick Airport route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bedford–St Pancras–Gatwick Airport route Context triple: [British Rail Class 700, usedOnLine, Bedford–St Pancras–Gatwick Airport route]
-
A.
Reading–Gatwick Airport route
The Reading–Gatwick Airport route is a regional rail service in South East England that links Reading with Gatwick Airport via intermediate stations such as Reigate.
-
B.
London–Bristol route
The London–Bristol route is a major intercity rail corridor in England linking the capital with the city of Bristol and serving as a key artery for passenger and freight traffic in the west of the country.
-
C.
A3 London–Portsmouth route
The A3 London–Portsmouth route is a major trunk road in southern England linking the capital with the port city of Portsmouth.
-
D.
Stansted Airport branch line
The Stansted Airport branch line is a railway spur in Essex, England, providing direct rail access between London (via the West Anglia route) and London Stansted Airport.
-
E.
London North Western route
The London North Western route was a key railway network in England operated by the London and North Western Railway, linking major industrial and commercial centers across the country.
- 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: Bedford–St Pancras–Gatwick Airport route Triple: [British Rail Class 700, usedOnLine, Bedford–St Pancras–Gatwick Airport route]
Generated description
The Bedford–St Pancras–Gatwick Airport route is a key north–south commuter and airport rail service in southern England, linking Bedford through central London to Gatwick Airport as part of the Thameslink network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bedford–St Pancras–Gatwick Airport route Target entity description: The Bedford–St Pancras–Gatwick Airport route is a key north–south commuter and airport rail service in southern England, linking Bedford through central London to Gatwick Airport as part of the Thameslink network.
-
A.
Reading–Gatwick Airport route
The Reading–Gatwick Airport route is a regional rail service in South East England that links Reading with Gatwick Airport via intermediate stations such as Reigate.
-
B.
London–Bristol route
The London–Bristol route is a major intercity rail corridor in England linking the capital with the city of Bristol and serving as a key artery for passenger and freight traffic in the west of the country.
-
C.
A3 London–Portsmouth route
The A3 London–Portsmouth route is a major trunk road in southern England linking the capital with the port city of Portsmouth.
-
D.
Stansted Airport branch line
The Stansted Airport branch line is a railway spur in Essex, England, providing direct rail access between London (via the West Anglia route) and London Stansted Airport.
-
E.
London North Western route
The London North Western route was a key railway network in England operated by the London and North Western Railway, linking major industrial and commercial centers across the country.
- 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_69c68853cff881908439d488924a8283 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6daf197b0819085bd0433c8a7f716 |
completed | March 27, 2026, 7:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c758a0e5bc819098206940fc3ac623 |
completed | March 28, 2026, 4:27 a.m. |
| NEDg | Description generation | batch_69c759553fe081909881c8d2ae680dfe |
completed | March 28, 2026, 4:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c759c79de48190bd3e079c07a9158a |
completed | March 28, 2026, 4:32 a.m. |
Created at: March 27, 2026, 2:30 p.m.