Triple
T6809663
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Egham railway station |
E156597
|
entity |
| Predicate | lineServed |
P6301
|
FINISHED |
| Object |
London Waterloo–Reading line
The London Waterloo–Reading line is a key suburban and regional rail route in southern England linking central London’s Waterloo station with Reading via towns in Surrey and Berkshire.
|
E619546
|
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: London Waterloo–Reading line | Statement: [Egham railway station, lineServed, London Waterloo–Reading line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Waterloo–Reading line Context triple: [Egham railway station, lineServed, London Waterloo–Reading line]
-
A.
West London line
The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
-
B.
London, Tilbury and Southend line
The London, Tilbury and Southend line is a key commuter and regional railway route in southeast England linking central London with Tilbury, Southend and surrounding areas along the north bank of the Thames.
-
C.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
D.
Tattenham Corner line
The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
-
E.
North London line
The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
- 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 Waterloo–Reading line Triple: [Egham railway station, lineServed, London Waterloo–Reading line]
Generated description
The London Waterloo–Reading line is a key suburban and regional rail route in southern England linking central London’s Waterloo station with Reading via towns in Surrey and Berkshire.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: London Waterloo–Reading line Target entity description: The London Waterloo–Reading line is a key suburban and regional rail route in southern England linking central London’s Waterloo station with Reading via towns in Surrey and Berkshire.
-
A.
West London line
The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
-
B.
London, Tilbury and Southend line
The London, Tilbury and Southend line is a key commuter and regional railway route in southeast England linking central London with Tilbury, Southend and surrounding areas along the north bank of the Thames.
-
C.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
D.
Tattenham Corner line
The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
-
E.
North London line
The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
- 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_69c68828b26c819090fe9df7612bbc27 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d30c741881909e220b05aa564bc2 |
completed | March 27, 2026, 6:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c71aa5411c81908d05bef3213b39f1 |
completed | March 28, 2026, 12:02 a.m. |
| NEDg | Description generation | batch_69c71b97125c81909f60a898d6bd4ebc |
completed | March 28, 2026, 12:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c71c355b14819093909be7ee005e31 |
completed | March 28, 2026, 12:09 a.m. |
Created at: March 27, 2026, 2:16 p.m.