Triple

T5786585
Position Surface form Disambiguated ID Type / Status
Subject Tramlink E128281 entity
Predicate hasRoute P4374 FINISHED
Object Route 2 Croydon – Beckenham Junction
Route 2 Croydon – Beckenham Junction is a London Tramlink service connecting Croydon town centre with Beckenham Junction in southeast London.
E549233 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: Route 2 Croydon – Beckenham Junction | Statement: [Tramlink, hasRoute, Route 2 Croydon – Beckenham Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Route 2 Croydon – Beckenham Junction
Context triple: [Tramlink, hasRoute, Route 2 Croydon – Beckenham Junction]
  • A. Eastleigh–Romsey line
    The Eastleigh–Romsey line is a regional railway route in Hampshire, England, connecting the towns of Eastleigh and Romsey and serving intermediate communities such as Chandler's Ford.
  • B. North Downs Line
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • C. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • D. North Downs Way
    The North Downs Way is a long-distance National Trail in southeast England that follows the chalk ridge of the North Downs through Surrey and Kent, offering scenic countryside and historic sites.
  • E. 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.
  • 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: Route 2 Croydon – Beckenham Junction
Triple: [Tramlink, hasRoute, Route 2 Croydon – Beckenham Junction]
Generated description
Route 2 Croydon – Beckenham Junction is a London Tramlink service connecting Croydon town centre with Beckenham Junction in southeast London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Route 2 Croydon – Beckenham Junction
Target entity description: Route 2 Croydon – Beckenham Junction is a London Tramlink service connecting Croydon town centre with Beckenham Junction in southeast London.
  • A. Eastleigh–Romsey line
    The Eastleigh–Romsey line is a regional railway route in Hampshire, England, connecting the towns of Eastleigh and Romsey and serving intermediate communities such as Chandler's Ford.
  • B. North Downs Line
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • C. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • D. North Downs Way
    The North Downs Way is a long-distance National Trail in southeast England that follows the chalk ridge of the North Downs through Surrey and Kent, offering scenic countryside and historic sites.
  • E. 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.
  • 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_69c0084450048190bc647b649a05136b completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02a1c29d48190af36cc855bb491dd completed March 22, 2026, 5:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0981a002c8190ac8ed7407a80919c completed March 23, 2026, 1:32 a.m.
NEDg Description generation batch_69c0989f7e58819098175e6eaacdb9ee completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c09cf3220481908c52b519e8495fff completed March 23, 2026, 1:52 a.m.
Created at: March 22, 2026, 3:51 p.m.