Triple

T21729636
Position Surface form Disambiguated ID Type / Status
Subject London Waterloo suburban services E536370 entity
Predicate usesInfrastructure P6820 FINISHED
Object Basingstoke Line
The Basingstoke Line is a key commuter and intercity railway route in southern England linking London Waterloo with Basingstoke and connecting to wider services across Hampshire and beyond.
E1502398 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: Basingstoke Line | Statement: [London Waterloo suburban services, usesInfrastructure, Basingstoke Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Basingstoke Line
Context triple: [London Waterloo suburban services, usesInfrastructure, Basingstoke Line]
  • A. Marston Vale Line
    The Marston Vale Line is a regional railway route in England connecting Bletchley and Bedford, serving towns and villages across the Marston Vale area.
  • B. Oxford–Bicester line
    The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
  • C. Tonbridge Line
    The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
  • D. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • E. North Kent Line
    The North Kent Line is a major suburban and commuter railway route in southeast England connecting central London with towns along the River Thames in Kent.
  • 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: Basingstoke Line
Triple: [London Waterloo suburban services, usesInfrastructure, Basingstoke Line]
Generated description
The Basingstoke Line is a key commuter and intercity railway route in southern England linking London Waterloo with Basingstoke and connecting to wider services across Hampshire and beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Basingstoke Line
Target entity description: The Basingstoke Line is a key commuter and intercity railway route in southern England linking London Waterloo with Basingstoke and connecting to wider services across Hampshire and beyond.
  • A. Marston Vale Line
    The Marston Vale Line is a regional railway route in England connecting Bletchley and Bedford, serving towns and villages across the Marston Vale area.
  • B. Oxford–Bicester line
    The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
  • C. Tonbridge Line
    The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
  • D. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • E. North Kent Line
    The North Kent Line is a major suburban and commuter railway route in southeast England connecting central London with towns along the River Thames in Kent.
  • 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_69e0c46d3284819099a4f9d5a704eb95 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69effd04c9648190922e8fa7c74ac1b5 completed April 28, 2026, 12:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0a3e63bd608190bd7eb342a3ef6ce7 completed May 17, 2026, 10:17 p.m.
NEDg Description generation batch_6a0a401ceb748190a4718ea4bc7ece45 completed May 17, 2026, 10:24 p.m.
NED2 Entity disambiguation (via description) batch_6a0a40bc29fc8190b082a1f86b2c4907 completed May 17, 2026, 10:27 p.m.
Created at: April 16, 2026, 6:48 p.m.