Triple

T12163630
Position Surface form Disambiguated ID Type / Status
Subject Beckton station E289773 entity
Predicate terminusOf P3375 FINISHED
Object Beckton branch
The Beckton branch is an eastern extension of the Docklands Light Railway in London that serves the Beckton area as its terminus.
 E289773 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: Beckton branch | Statement: [Beckton station, terminusOf, Beckton branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Beckton branch
Context triple: [Beckton station, terminusOf, Beckton branch]
  • A. Ockendon branch
    The Ockendon branch is a suburban railway line in Essex, England, forming part of the London, Tilbury and Southend route and serving communities including Ockendon.
  • B. Beckton station
    Beckton station is the eastern terminus of the Docklands Light Railway’s Beckton branch in East London, serving a largely residential and redeveloped docklands area.
  • C. Edgware branch
    The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
  • D. Beckton
    Beckton is a suburban district in East London known for its post-war housing developments and proximity to the former Royal Docks.
  • E. High Barnet branch
    The High Barnet branch is a northern suburban section of London’s Northern line that runs from central London up to High Barnet in the London Borough of Barnet.
  • 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: Beckton branch
Triple: [Beckton station, terminusOf, Beckton branch]
Generated description
The Beckton branch is an eastern extension of the Docklands Light Railway in London that serves the Beckton area as its terminus.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Beckton branch
Target entity description: The Beckton branch is an eastern extension of the Docklands Light Railway in London that serves the Beckton area as its terminus.
  • A. Ockendon branch
    The Ockendon branch is a suburban railway line in Essex, England, forming part of the London, Tilbury and Southend route and serving communities including Ockendon.
  • B. Beckton station chosen
    Beckton station is the eastern terminus of the Docklands Light Railway’s Beckton branch in East London, serving a largely residential and redeveloped docklands area.
  • C. Edgware branch
    The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
  • D. Beckton
    Beckton is a suburban district in East London known for its post-war housing developments and proximity to the former Royal Docks.
  • E. High Barnet branch
    The High Barnet branch is a northern suburban section of London’s Northern line that runs from central London up to High Barnet in the London Borough of Barnet.
  • F. None of above.

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_69d6ab4d6c00819095a9a7c35de83cfb completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915c498a081908389598d0c247505 completed April 10, 2026, 3:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f60a837a5881908c600be0be334269 completed May 2, 2026, 2:30 p.m.
NEDg Description generation batch_69f60bdb39f48190ad6bc51db6c34163 completed May 2, 2026, 2:36 p.m.
NED2 Entity disambiguation (via description) batch_69f60d4c30448190874f253b864ef61e completed May 2, 2026, 2:42 p.m.
Created at: April 8, 2026, 9:50 p.m.