Triple

T8781282
Position Surface form Disambiguated ID Type / Status
Subject London Borough of Redbridge E208731 entity
Predicate hasUndergroundStation P918 FINISHED
Object Redbridge tube station
Redbridge tube station is a London Underground station on the Central line serving the Redbridge area in East London.
 E780024 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: Redbridge tube station | Statement: [London Borough of Redbridge, hasUndergroundStation, Redbridge tube station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Redbridge tube station
Context triple: [London Borough of Redbridge, hasUndergroundStation, Redbridge tube station]
  • A. Gants Hill tube station
    Gants Hill tube station is a London Underground station on the Central line, notable for its distinctive circular ticket hall and location in the northeast London suburb of Gants Hill.
  • B. Northfields tube station
    Northfields tube station is a London Underground station in west London on the Piccadilly line, serving the Northfields area between South Ealing and Boston Manor.
  • C. 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.
  • D. Uxbridge tube station
    Uxbridge tube station is a London Underground station in west London serving as the terminus for both the Metropolitan and Piccadilly lines.
  • E. Tufnell Park tube station
    Tufnell Park tube station is a London Underground station in north London served by the Northern line.
  • 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: Redbridge tube station
Triple: [London Borough of Redbridge, hasUndergroundStation, Redbridge tube station]
Generated description
Redbridge tube station is a London Underground station on the Central line serving the Redbridge area in East London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Redbridge tube station
Target entity description: Redbridge tube station is a London Underground station on the Central line serving the Redbridge area in East London.
  • A. Gants Hill tube station
    Gants Hill tube station is a London Underground station on the Central line, notable for its distinctive circular ticket hall and location in the northeast London suburb of Gants Hill.
  • B. Northfields tube station
    Northfields tube station is a London Underground station in west London on the Piccadilly line, serving the Northfields area between South Ealing and Boston Manor.
  • C. 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.
  • D. Uxbridge tube station
    Uxbridge tube station is a London Underground station in west London serving as the terminus for both the Metropolitan and Piccadilly lines.
  • E. Tufnell Park tube station
    Tufnell Park tube station is a London Underground station in north London served by the Northern line.
  • 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_69ca835fbee88190bf625939bac48d7f completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc5f55b7b08190ab3e18cd634a144b completed March 31, 2026, 11:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69d04729c39c8190a88a28288653399b completed April 3, 2026, 11:03 p.m.
NEDg Description generation batch_69d0489f19808190b793dac8c0f743bc completed April 3, 2026, 11:09 p.m.
NED2 Entity disambiguation (via description) batch_69d0496ccb908190b9ebe632df1447be completed April 3, 2026, 11:12 p.m.
Created at: March 30, 2026, 6:42 p.m.