Triple

T7130624
Position Surface form Disambiguated ID Type / Status
Subject London King's Cross to King's Lynn services E166175 entity
Predicate lineUsedBetween P14437 FINISHED
Object East Coast Main Line between London King's Cross and Hitchin
The East Coast Main Line between London King's Cross and Hitchin is a key electrified railway corridor in southern England that carries high-frequency intercity, regional, and commuter services linking London with the East Midlands, Yorkshire, and northeastern England.
E643308 NE FINISHED

How this triple was built (5 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: East Coast Main Line between London King's Cross and Hitchin | Statement: [London King's Cross to King's Lynn services, lineUsedBetween, East Coast Main Line between London King's Cross and Hitchin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Coast Main Line between London King's Cross and Hitchin
Context triple: [London King's Cross to King's Lynn services, lineUsedBetween, East Coast Main Line between London King's Cross and Hitchin]
  • A. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • B. London to Norwich main line
    The London to Norwich main line is a key intercity railway route in eastern England linking the capital with the city of Norwich and serving major towns across East Anglia.
  • C. London–Colchester line
    The London–Colchester line is a key commuter and intercity railway route in eastern England linking London with the town of Colchester and serving as part of the main rail corridor toward East Anglia.
  • D. West Anglia Main Line
    The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
  • E. London to Aylesbury Line
    The London to Aylesbury Line is a commuter rail route in England connecting London with the town of Aylesbury, primarily serving passengers in Buckinghamshire and surrounding areas.
  • 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: East Coast Main Line between London King's Cross and Hitchin
Triple: [London King's Cross to King's Lynn services, lineUsedBetween, East Coast Main Line between London King's Cross and Hitchin]
Generated description
The East Coast Main Line between London King's Cross and Hitchin is a key electrified railway corridor in southern England that carries high-frequency intercity, regional, and commuter services linking London with the East Midlands, Yorkshire, and northeastern England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East Coast Main Line between London King's Cross and Hitchin
Target entity description: The East Coast Main Line between London King's Cross and Hitchin is a key electrified railway corridor in southern England that carries high-frequency intercity, regional, and commuter services linking London with the East Midlands, Yorkshire, and northeastern England.
  • A. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • B. London to Norwich main line
    The London to Norwich main line is a key intercity railway route in eastern England linking the capital with the city of Norwich and serving major towns across East Anglia.
  • C. London–Colchester line
    The London–Colchester line is a key commuter and intercity railway route in eastern England linking London with the town of Colchester and serving as part of the main rail corridor toward East Anglia.
  • D. West Anglia Main Line
    The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
  • E. London to Aylesbury Line
    The London to Aylesbury Line is a commuter rail route in England connecting London with the town of Aylesbury, primarily serving passengers in Buckinghamshire and surrounding areas.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: lineUsedBetween
Context triple: [London King's Cross to King's Lynn services, lineUsedBetween, East Coast Main Line between London King's Cross and Hitchin]
  • A. lineUses chosen
    Indicates that a particular line (such as a route, service, or connection) makes use of or is implemented using a specified resource, infrastructure, or element.
  • B. connectedLine
    Indicates that two entities are joined by a continuous line or linear connection.
  • C. isLinedWith
    Indicates that one object or surface is covered, edged, or internally coated along its length or area with another material or layer.
  • D. lineStandard
    Indicates that one entity is a standard or reference specification that defines or governs the characteristics or requirements of a particular line (such as a product line, production line, or service line).
  • E. lineName
    Indicates the specific name or designation assigned to a particular line (such as a route, path, or service) that distinguishes it from other lines.
  • F. None of above.

Provenance (6 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_69c68884a9388190af42f90d1c1a7151 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e66dc2388190bdec018f1cc6b20a completed March 27, 2026, 8:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7a33eea0481909f87e0813bc35b52 completed March 28, 2026, 9:45 a.m.
NEDg Description generation batch_69c7a3f2b51c81909f058149e9bd9f0a completed March 28, 2026, 9:48 a.m.
NED2 Entity disambiguation (via description) batch_69c7a4a9e91881909df07f1c540f191e completed March 28, 2026, 9:51 a.m.
PD Predicate disambiguation batch_69c6e1c7289881909f3b533c384f9ed4 completed March 27, 2026, 8 p.m.
Created at: March 27, 2026, 2:44 p.m.