Triple

T4104209
Position Surface form Disambiguated ID Type / Status
Subject Leytonstone E88410 entity
Predicate hasTransport P1298 FINISHED
Object Leytonstone Underground station
Leytonstone Underground station is a London Underground station in East London served by the Central line, providing commuter access between Leytonstone and central London.
 E478204 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: Leytonstone Underground station | Statement: [Leytonstone, hasTransport, Leytonstone Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Leytonstone Underground station
Context triple: [Leytonstone, hasTransport, Leytonstone Underground station]
  • A. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • B. Lewisham station
    Lewisham station is a major transport hub in southeast London that serves National Rail, Docklands Light Railway, and numerous bus routes.
  • C. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • D. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • E. Canning Town Underground station
    Canning Town Underground station is a major transport interchange in East London, serving the Jubilee line, Docklands Light Railway, and local bus routes.
  • 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: Leytonstone Underground station
Triple: [Leytonstone, hasTransport, Leytonstone Underground station]
Generated description
Leytonstone Underground station is a London Underground station in East London served by the Central line, providing commuter access between Leytonstone and central London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Leytonstone Underground station
Target entity description: Leytonstone Underground station is a London Underground station in East London served by the Central line, providing commuter access between Leytonstone and central London.
  • A. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • B. Lewisham station
    Lewisham station is a major transport hub in southeast London that serves National Rail, Docklands Light Railway, and numerous bus routes.
  • C. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • D. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • E. Canning Town Underground station
    Canning Town Underground station is a major transport interchange in East London, serving the Jubilee line, Docklands Light Railway, and local bus routes.
  • 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_69aed9484fb881909146f4c772ad277c completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefd31bad88190b850d1dcba14de60 completed March 9, 2026, 5:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69be6f845ce48190a5feae21980530d6 completed March 21, 2026, 10:14 a.m.
NEDg Description generation batch_69be707405008190ba1456544e8da593 completed March 21, 2026, 10:18 a.m.
NED2 Entity disambiguation (via description) batch_69be70e5537c8190b4db230932818a9c completed March 21, 2026, 10:20 a.m.
Created at: March 9, 2026, 3:40 p.m.