Triple

T14220523
Position Surface form Disambiguated ID Type / Status
Subject The Serpentine E352477 entity
Predicate watercourse P415 FINISHED
Object River Westbourne
The River Westbourne is a historic, largely culverted river in London that once flowed openly through Hyde Park and now runs mostly underground as part of the city’s drainage system.
 E1087844 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 Westbourne | Statement: [The Serpentine, watercourse, River Westbourne]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: River Westbourne
Context triple: [The Serpentine, watercourse, River Westbourne]
  • A. River Redlake
    River Redlake is a small river in Shropshire, England, that flows through rural landscapes before joining the River Clun.
  • B. Rochester Row
    Rochester Row is a street in the City of Westminster, London, known for its mix of residential buildings, public institutions, and landmarks such as St Stephen’s Church.
  • C. Chelsea Creek
    Chelsea Creek is a tidal waterway in the Boston area that serves as an important industrial and shipping channel between Chelsea and East Boston, Massachusetts.
  • D. Fairwater
    Fairwater is a residential suburb and community in the western part of Cardiff, Wales.
  • E. Fairwater
    Fairwater is a residential neighbourhood within the town of Cwmbran in South Wales.
  • 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 Westbourne
Triple: [The Serpentine, watercourse, River Westbourne]
Generated description
The River Westbourne is a historic, largely culverted river in London that once flowed openly through Hyde Park and now runs mostly underground as part of the city’s drainage system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: River Westbourne
Target entity description: The River Westbourne is a historic, largely culverted river in London that once flowed openly through Hyde Park and now runs mostly underground as part of the city’s drainage system.
  • A. River Redlake
    River Redlake is a small river in Shropshire, England, that flows through rural landscapes before joining the River Clun.
  • B. Rochester Row
    Rochester Row is a street in the City of Westminster, London, known for its mix of residential buildings, public institutions, and landmarks such as St Stephen’s Church.
  • C. Chelsea Creek
    Chelsea Creek is a tidal waterway in the Boston area that serves as an important industrial and shipping channel between Chelsea and East Boston, Massachusetts.
  • D. Fairwater
    Fairwater is a residential suburb and community in the western part of Cardiff, Wales.
  • E. Fairwater
    Fairwater is a residential neighbourhood within the town of Cwmbran in South Wales.
  • 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_69d8278a06e481908b5d6af0a8afe737 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de6213801c8190a47705cd890b9ae7 completed April 14, 2026, 3:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd28121a288190975d5852f9a503d4 completed May 8, 2026, 12:02 a.m.
NEDg Description generation batch_69fd29d254608190a9f0b8e5623451aa completed May 8, 2026, 12:09 a.m.
NED2 Entity disambiguation (via description) batch_69fd2aa5bf3c8190bb62ce780d417b7d completed May 8, 2026, 12:13 a.m.
Created at: April 10, 2026, 1:06 a.m.