Triple

T21542587
Position Surface form Disambiguated ID Type / Status
Subject Ravensbourne E531528 entity
Predicate crossesAdministrativeBoundary P13760 FINISHED
Object Bromley–Lewisham boundary
The Bromley–Lewisham boundary is the administrative dividing line between the London Boroughs of Bromley and Lewisham in southeast London.
E1490658 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: Bromley–Lewisham boundary | Statement: [Ravensbourne, crossesAdministrativeBoundary, Bromley–Lewisham boundary]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bromley–Lewisham boundary
Context triple: [Ravensbourne, crossesAdministrativeBoundary, Bromley–Lewisham boundary]
  • A. Bromley Heath
    Bromley Heath is a suburban residential area in South Gloucestershire, England, forming part of the wider community around Downend near Bristol.
  • B. Bromley North
    Bromley North is a suburban railway station in the London Borough of Bromley that serves as the terminus of the short Bromley North branch line connecting to the mainline network.
  • C. Bromley South
    Bromley South is a major railway station in the London Borough of Bromley that serves as a key commuter hub on routes between central London and southeast England.
  • D. Old Bexley and Sidcup
    Old Bexley and Sidcup is a UK parliamentary constituency in southeast London, historically represented by prominent Conservative politicians.
  • E. Bromley
    Bromley is a large suburban town in southeast London, England, known as a major commercial and retail centre within the London Borough of Bromley.
  • 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: Bromley–Lewisham boundary
Triple: [Ravensbourne, crossesAdministrativeBoundary, Bromley–Lewisham boundary]
Generated description
The Bromley–Lewisham boundary is the administrative dividing line between the London Boroughs of Bromley and Lewisham in southeast London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bromley–Lewisham boundary
Target entity description: The Bromley–Lewisham boundary is the administrative dividing line between the London Boroughs of Bromley and Lewisham in southeast London.
  • A. Bromley Heath
    Bromley Heath is a suburban residential area in South Gloucestershire, England, forming part of the wider community around Downend near Bristol.
  • B. Bromley North
    Bromley North is a suburban railway station in the London Borough of Bromley that serves as the terminus of the short Bromley North branch line connecting to the mainline network.
  • C. Bromley South
    Bromley South is a major railway station in the London Borough of Bromley that serves as a key commuter hub on routes between central London and southeast England.
  • D. Old Bexley and Sidcup
    Old Bexley and Sidcup is a UK parliamentary constituency in southeast London, historically represented by prominent Conservative politicians.
  • E. Bromley
    Bromley is a large suburban town in southeast London, England, known as a major commercial and retail centre within the London Borough of Bromley.
  • 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_69e0c45f17148190949c330ab9c27706 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eeb58c34808190b0eb54ba01e2cc13 completed April 27, 2026, 1:02 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09eed9b3b08190b06d34173f50ee7e completed May 17, 2026, 4:37 p.m.
NEDg Description generation batch_6a09ef7271e081908a1cd70297376ae3 completed May 17, 2026, 4:40 p.m.
NED2 Entity disambiguation (via description) batch_6a09f00ec300819082ee644a512a9cdf completed May 17, 2026, 4:42 p.m.
Created at: April 16, 2026, 6:28 p.m.