Triple
T14021964
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Upper Warlingham railway station |
E337355
|
entity |
| Predicate | originalOperator |
P179
|
FINISHED |
| Object |
Croydon, Oxted and East Grinstead Railway
The Croydon, Oxted and East Grinstead Railway was a 19th-century railway company in southern England that developed and operated routes linking Croydon with Oxted and East Grinstead, later becoming part of the Southern Railway network.
|
E1075857
|
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: Croydon, Oxted and East Grinstead Railway | Statement: [Upper Warlingham railway station, originalOperator, Croydon, Oxted and East Grinstead Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Croydon, Oxted and East Grinstead Railway Context triple: [Upper Warlingham railway station, originalOperator, Croydon, Oxted and East Grinstead Railway]
-
A.
Croydon, Merstham and Godstone Railway
The Croydon, Merstham and Godstone Railway was an early 19th-century horse-drawn plateway in southern England that extended the route of the pioneering Surrey Iron Railway to serve quarries and local industry in Surrey.
-
B.
London and Croydon Railway
The London and Croydon Railway was an early 19th-century British railway company that operated one of the first mainline routes in the London area, later becoming part of the Southern Railway network.
-
C.
Kent and East Sussex Railway
The Kent and East Sussex Railway is a preserved heritage railway in southeast England, known for operating steam and vintage diesel trains through the Wealden countryside between Tenterden and Bodiam.
-
D.
Reading, Guildford and Reigate Railway
The Reading, Guildford and Reigate Railway was a 19th-century English railway company that operated a line linking the towns of Reading, Guildford, and Reigate in southern England.
-
E.
Uckfield line
The Uckfield line is a suburban and rural railway route in East Sussex, England, running between London and Uckfield as part of the Southern rail network.
- 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: Croydon, Oxted and East Grinstead Railway Triple: [Upper Warlingham railway station, originalOperator, Croydon, Oxted and East Grinstead Railway]
Generated description
The Croydon, Oxted and East Grinstead Railway was a 19th-century railway company in southern England that developed and operated routes linking Croydon with Oxted and East Grinstead, later becoming part of the Southern Railway network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Croydon, Oxted and East Grinstead Railway Target entity description: The Croydon, Oxted and East Grinstead Railway was a 19th-century railway company in southern England that developed and operated routes linking Croydon with Oxted and East Grinstead, later becoming part of the Southern Railway network.
-
A.
Croydon, Merstham and Godstone Railway
The Croydon, Merstham and Godstone Railway was an early 19th-century horse-drawn plateway in southern England that extended the route of the pioneering Surrey Iron Railway to serve quarries and local industry in Surrey.
-
B.
London and Croydon Railway
The London and Croydon Railway was an early 19th-century British railway company that operated one of the first mainline routes in the London area, later becoming part of the Southern Railway network.
-
C.
Kent and East Sussex Railway
The Kent and East Sussex Railway is a preserved heritage railway in southeast England, known for operating steam and vintage diesel trains through the Wealden countryside between Tenterden and Bodiam.
-
D.
Reading, Guildford and Reigate Railway
The Reading, Guildford and Reigate Railway was a 19th-century English railway company that operated a line linking the towns of Reading, Guildford, and Reigate in southern England.
-
E.
Uckfield line
The Uckfield line is a suburban and rural railway route in East Sussex, England, running between London and Uckfield as part of the Southern rail network.
- 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_69d81c6543a48190bd5ba93d7419e797 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2f3d87b88190b038d334f4965369 |
completed | April 14, 2026, 12:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fbc32f78dc8190bd357d179cbaa5bc |
completed | May 6, 2026, 10:39 p.m. |
| NEDg | Description generation | batch_69fc43c344c08190b5afa023f5009cb4 |
completed | May 7, 2026, 7:48 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fc444a30a48190a2f65afcd5424d14 |
completed | May 7, 2026, 7:50 a.m. |
Created at: April 9, 2026, 10:19 p.m.