Triple

T18915672
Position Surface form Disambiguated ID Type / Status
Subject Walbrook, City of London E462718 entity
Predicate namedAfter P63 FINISHED
Object River Walbrook
River Walbrook was a now largely subterranean river that once flowed through the heart of the City of London, historically shaping its topography and development.
E1301070 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: River Walbrook | Statement: [Walbrook, City of London, namedAfter, River Walbrook]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: River Walbrook
Context triple: [Walbrook, City of London, namedAfter, River Walbrook]
  • A. River Ryton
    River Ryton is a small river in Nottinghamshire, England, that flows through towns such as Worksop before joining the River Idle.
  • B. Dagenham Brook
    Dagenham Brook is a minor watercourse in East London that serves as a tributary of the River Lea, flowing through parts of the London Borough of Waltham Forest.
  • C. Holborn River
    The Holborn River is a historic subterranean watercourse in central London that once flowed openly through the Holborn area before being culverted and integrated into the city’s drainage system.
  • D. River Wandle
    The River Wandle is a chalk stream in South London, England, that flows through boroughs such as Croydon, Sutton, Merton, and Wandsworth before joining the River Thames.
  • E. River Lea
    The River Lea is a major tributary of the River Thames in southeast England, flowing through Bedfordshire, Hertfordshire, and Greater London and historically supporting navigation, industry, and water supply for the region.
  • 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: River Walbrook
Triple: [Walbrook, City of London, namedAfter, River Walbrook]
Generated description
River Walbrook was a now largely subterranean river that once flowed through the heart of the City of London, historically shaping its topography and development.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: River Walbrook
Target entity description: River Walbrook was a now largely subterranean river that once flowed through the heart of the City of London, historically shaping its topography and development.
  • A. River Ryton
    River Ryton is a small river in Nottinghamshire, England, that flows through towns such as Worksop before joining the River Idle.
  • B. Dagenham Brook
    Dagenham Brook is a minor watercourse in East London that serves as a tributary of the River Lea, flowing through parts of the London Borough of Waltham Forest.
  • C. Holborn River chosen
    The Holborn River is a historic subterranean watercourse in central London that once flowed openly through the Holborn area before being culverted and integrated into the city’s drainage system.
  • D. River Wandle
    The River Wandle is a chalk stream in South London, England, that flows through boroughs such as Croydon, Sutton, Merton, and Wandsworth before joining the River Thames.
  • E. River Lea
    The River Lea is a major tributary of the River Thames in southeast England, flowing through Bedfordshire, Hertfordshire, and Greater London and historically supporting navigation, industry, and water supply for the region.
  • 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_69d8dcfdbbb881909964fa5a75bd0b48 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c62685408190b17280147e1c247a completed April 20, 2026, 6:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05911450b8819087bf0c352ec9a4c3 completed May 14, 2026, 9:08 a.m.
NEDg Description generation batch_6a0593141058819091183ede1dd0b878 completed May 14, 2026, 9:17 a.m.
NED2 Entity disambiguation (via description) batch_6a059439ee6c8190beb258f70385ee82 completed May 14, 2026, 9:22 a.m.
Created at: April 10, 2026, 11:58 a.m.