Triple

T8781289
Position Surface form Disambiguated ID Type / Status
Subject London Borough of Redbridge E208731 entity
Predicate hasUndergroundStation P918 FINISHED
Object Roding Valley tube station
Roding Valley tube station is a small London Underground station on the Central line serving the suburban area around the River Roding in northeast London.
 E788449 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: Roding Valley tube station | Statement: [London Borough of Redbridge, hasUndergroundStation, Roding Valley tube station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Roding Valley tube station
Context triple: [London Borough of Redbridge, hasUndergroundStation, Roding Valley tube station]
  • A. Wanstead tube station
    Wanstead tube station is a London Underground station on the Central line serving the Wanstead area in East London.
  • B. Snaresbrook tube station
    Snaresbrook tube station is a London Underground station on the Central line serving the Snaresbrook area in northeast London.
  • C. Redbridge tube station
    Redbridge tube station is a London Underground station on the Central line serving the Redbridge area in East London.
  • D. Hainault tube station
    Hainault tube station is a London Underground station on the Central line serving the Hainault area in northeast London.
  • E. 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.
  • 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: Roding Valley tube station
Triple: [London Borough of Redbridge, hasUndergroundStation, Roding Valley tube station]
Generated description
Roding Valley tube station is a small London Underground station on the Central line serving the suburban area around the River Roding in northeast London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Roding Valley tube station
Target entity description: Roding Valley tube station is a small London Underground station on the Central line serving the suburban area around the River Roding in northeast London.
  • A. Wanstead tube station
    Wanstead tube station is a London Underground station on the Central line serving the Wanstead area in East London.
  • B. Snaresbrook tube station
    Snaresbrook tube station is a London Underground station on the Central line serving the Snaresbrook area in northeast London.
  • C. Redbridge tube station
    Redbridge tube station is a London Underground station on the Central line serving the Redbridge area in East London.
  • D. Hainault tube station
    Hainault tube station is a London Underground station on the Central line serving the Hainault area in northeast London.
  • E. 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.
  • 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_69d09b3a8a248190aa32981bdcbe570d completed April 4, 2026, 5:01 a.m.
NEDg Description generation batch_69d09ca202f88190b21b89e61b1596ff completed April 4, 2026, 5:07 a.m.
NED2 Entity disambiguation (via description) batch_69d09d914d688190af609c4485c746cc completed April 4, 2026, 5:11 a.m.
Created at: March 30, 2026, 6:42 p.m.