Triple

T4401638
Position Surface form Disambiguated ID Type / Status
Subject Chandlers Ford E93630 entity
Predicate servedByRailLine P1293 FINISHED
Object 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.
E443706 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: Eastleigh–Romsey line | Statement: [Chandlers Ford, servedByRailLine, Eastleigh–Romsey line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eastleigh–Romsey line
Context triple: [Chandlers Ford, servedByRailLine, Eastleigh–Romsey line]
  • A. 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.
  • B. Romford–Upminster line
    The Romford–Upminster line is a short suburban railway in east London linking Romford and Upminster, operated as part of the London Overground network.
  • C. Sidcup Line
    The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
  • D. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • E. East Suffolk Line
    The East Suffolk Line is a rural railway route in Suffolk, England, running between Ipswich and Lowestoft and serving towns and villages along the county’s east coast.
  • 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: Eastleigh–Romsey line
Triple: [Chandlers Ford, servedByRailLine, Eastleigh–Romsey line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eastleigh–Romsey line
Target entity description: 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.
  • A. 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.
  • B. Romford–Upminster line
    The Romford–Upminster line is a short suburban railway in east London linking Romford and Upminster, operated as part of the London Overground network.
  • C. Sidcup Line
    The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
  • D. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • E. East Suffolk Line
    The East Suffolk Line is a rural railway route in Suffolk, England, running between Ipswich and Lowestoft and serving towns and villages along the county’s east coast.
  • 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_69b345158c748190a2c040fce2da9980 completed March 12, 2026, 10:58 p.m.
NER Named-entity recognition batch_69b352cf218481908d072fec58361f28 completed March 12, 2026, 11:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69b6374a22c88190ba36ddb180634573 completed March 15, 2026, 4:36 a.m.
NEDg Description generation batch_69b6384b32c08190969a892ccc135b2f completed March 15, 2026, 4:40 a.m.
NED2 Entity disambiguation (via description) batch_69b63c3585b08190ab6837ffdb6db73e completed March 15, 2026, 4:57 a.m.
Created at: March 12, 2026, 11:28 p.m.