Triple

T7040694
Position Surface form Disambiguated ID Type / Status
Subject Hertford East branch line E163501 entity
Predicate usesCorridor P5520 FINISHED
Object Lea Valley corridor
The Lea Valley corridor is a transport and development corridor in eastern England that follows the River Lea through north and east London into Hertfordshire, hosting multiple rail lines, roads, and urban areas.
E636438 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: Lea Valley corridor | Statement: [Hertford East branch line, usesCorridor, Lea Valley corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lea Valley corridor
Context triple: [Hertford East branch line, usesCorridor, Lea Valley corridor]
  • A. Thames corridor
    The Thames corridor is a key economic and transport region in southern England that follows the River Thames, encompassing major urban, industrial, and commercial hubs west of London.
  • B. Catford Loop Line
    The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
  • C. 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.
  • D. Hounslow Loop Line
    The Hounslow Loop Line is a suburban railway route in West London that forms a loop off the South Western Main Line, providing local passenger services through areas such as Hounslow, Isleworth, and Richmond.
  • E. Barlow Road corridor
    The Barlow Road corridor is a historic and recreational route in Oregon that follows part of the Oregon Trail, offering opportunities for hiking, camping, and exploring pioneer-era landmarks.
  • 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: Lea Valley corridor
Triple: [Hertford East branch line, usesCorridor, Lea Valley corridor]
Generated description
The Lea Valley corridor is a transport and development corridor in eastern England that follows the River Lea through north and east London into Hertfordshire, hosting multiple rail lines, roads, and urban areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lea Valley corridor
Target entity description: The Lea Valley corridor is a transport and development corridor in eastern England that follows the River Lea through north and east London into Hertfordshire, hosting multiple rail lines, roads, and urban areas.
  • A. Thames corridor
    The Thames corridor is a key economic and transport region in southern England that follows the River Thames, encompassing major urban, industrial, and commercial hubs west of London.
  • B. Catford Loop Line
    The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
  • C. 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.
  • D. Hounslow Loop Line
    The Hounslow Loop Line is a suburban railway route in West London that forms a loop off the South Western Main Line, providing local passenger services through areas such as Hounslow, Isleworth, and Richmond.
  • E. Barlow Road corridor
    The Barlow Road corridor is a historic and recreational route in Oregon that follows part of the Oregon Trail, offering opportunities for hiking, camping, and exploring pioneer-era landmarks.
  • 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_69c6885e7c1c8190be32a8f79ab4e0cf completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e22544708190b0dffb5256d4cda6 completed March 27, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c775afabbc8190a6ff263b1a996c9c completed March 28, 2026, 6:31 a.m.
NEDg Description generation batch_69c7779c8bcc819089d79399f0c9eb31 completed March 28, 2026, 6:39 a.m.
NED2 Entity disambiguation (via description) batch_69c7789d07c08190b6b6479ffbbc9f3e completed March 28, 2026, 6:43 a.m.
Created at: March 27, 2026, 2:36 p.m.