Triple

T18018146
Position Surface form Disambiguated ID Type / Status
Subject River Fleet E431045 entity
Predicate hasTributary P415 FINISHED
Object 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.
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: Holborn River | Statement: [River Fleet, hasTributary, Holborn River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Holborn River
Context triple: [River Fleet, hasTributary, Holborn River]
  • A. Dollis Brook
    Dollis Brook is a small stream in North London that forms one of the main headwaters of the River Brent, flowing through suburban green spaces and parks.
  • B. 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.
  • C. Jubilee River
    The Jubilee River is a man-made flood relief channel in Berkshire, England, designed to reduce flooding risk along the River Thames, particularly around Maidenhead, Windsor, and Eton.
  • D. 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.
  • E. 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.
  • 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: Holborn River
Triple: [River Fleet, hasTributary, Holborn River]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Holborn River
Target entity description: 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.
  • A. Dollis Brook
    Dollis Brook is a small stream in North London that forms one of the main headwaters of the River Brent, flowing through suburban green spaces and parks.
  • B. 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.
  • C. Jubilee River
    The Jubilee River is a man-made flood relief channel in Berkshire, England, designed to reduce flooding risk along the River Thames, particularly around Maidenhead, Windsor, and Eton.
  • D. 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.
  • E. 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.
  • 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_69d8b904530081908bf341d842464856 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4b9bf85c08190a40cef4c6d7b566a completed April 19, 2026, 11:17 a.m.
NED1 Entity disambiguation (via context triple) batch_6a034326d318819087ddb4f1e6dd803b completed May 12, 2026, 3:11 p.m.
NEDg Description generation batch_6a0344089c0c819082894927bbc03d2f completed May 12, 2026, 3:15 p.m.
NED2 Entity disambiguation (via description) batch_6a03448fb9548190b34e8ab72688d268 completed May 12, 2026, 3:17 p.m.
Created at: April 10, 2026, 10:24 a.m.