Triple

T7082386
Position Surface form Disambiguated ID Type / Status
Subject London Underground Central line E164986 entity
Predicate terminusEast P3569 FINISHED
Object Woodford via Hainault loop
Woodford via Hainault loop is a branch of the London Underground’s Central line in East London that runs between Woodford and Newbury Park/Ilford, serving several suburban stations via Hainault.
E640222 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: Woodford via Hainault loop | Statement: [London Underground Central line, terminusEast, Woodford via Hainault loop]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Woodford via Hainault loop
Context triple: [London Underground Central line, terminusEast, Woodford via Hainault loop]
  • A. Hertford Loop Line
    The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
  • B. 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.
  • C. London–Sutton via Wimbledon route
    The London–Sutton via Wimbledon route is a suburban rail line in South London linking central London with Sutton through Wimbledon, serving a series of commuter stations along the way.
  • D. 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.
  • E. London–Sevenoaks via Catford route
    The London–Sevenoaks via Catford route is a suburban rail service in southeast England linking central London with Sevenoaks through the Catford area.
  • 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: Woodford via Hainault loop
Triple: [London Underground Central line, terminusEast, Woodford via Hainault loop]
Generated description
Woodford via Hainault loop is a branch of the London Underground’s Central line in East London that runs between Woodford and Newbury Park/Ilford, serving several suburban stations via Hainault.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Woodford via Hainault loop
Target entity description: Woodford via Hainault loop is a branch of the London Underground’s Central line in East London that runs between Woodford and Newbury Park/Ilford, serving several suburban stations via Hainault.
  • A. Hertford Loop Line
    The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
  • B. 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.
  • C. London–Sutton via Wimbledon route
    The London–Sutton via Wimbledon route is a suburban rail line in South London linking central London with Sutton through Wimbledon, serving a series of commuter stations along the way.
  • D. 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.
  • E. London–Sevenoaks via Catford route
    The London–Sevenoaks via Catford route is a suburban rail service in southeast England linking central London with Sevenoaks through the Catford area.
  • 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_69c6887d98408190912b9580666b0c1d completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e50f133c81908c5f7336fd5bc5d2 completed March 27, 2026, 8:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7947c32f081909340b05a46ae7bdd completed March 28, 2026, 8:42 a.m.
NEDg Description generation batch_69c79523b1e881909b7f31a20f03d4b3 completed March 28, 2026, 8:45 a.m.
NED2 Entity disambiguation (via description) batch_69c795e542d881909defeb4056898495 completed March 28, 2026, 8:48 a.m.
Created at: March 27, 2026, 2:40 p.m.