Triple

T19556236
Position Surface form Disambiguated ID Type / Status
Subject River Trent at Keadby E489318 entity
Predicate hasFeature P182 FINISHED
Object Keadby Lock
Keadby Lock is a navigation lock in Keadby, Lincolnshire, that connects the Stainforth and Keadby Canal with the tidal River Trent.
 E1384067 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: Keadby Lock | Statement: [River Trent at Keadby, hasFeature, Keadby Lock]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keadby Lock
Context triple: [River Trent at Keadby, hasFeature, Keadby Lock]
  • A. Catteshall Lock
    Catteshall Lock is a historic navigation lock on the River Wey in Surrey, England, forming part of one of the country’s earliest commercial waterways.
  • B. Buxton Lock
    Buxton Lock is a historic canal lock on the Aylsham Navigation waterway in Norfolk, England, used to manage water levels and enable boat passage.
  • C. Saltersford Lock
    Saltersford Lock is a navigation lock on the River Weaver in Cheshire, England, used to manage water levels and enable boat passage along the river.
  • D. Haverholme Lock
    Haverholme Lock is a historic lock on the Sleaford Navigation in Lincolnshire, England, built to manage water levels and enable navigation along the waterway.
  • E. Sandford Lock
    Sandford Lock is a navigation lock on the River Chelmer in Essex, England, used to manage water levels and enable boat passage along the river.
  • 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: Keadby Lock
Triple: [River Trent at Keadby, hasFeature, Keadby Lock]
Generated description
Keadby Lock is a navigation lock in Keadby, Lincolnshire, that connects the Stainforth and Keadby Canal with the tidal River Trent.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Keadby Lock
Target entity description: Keadby Lock is a navigation lock in Keadby, Lincolnshire, that connects the Stainforth and Keadby Canal with the tidal River Trent.
  • A. Catteshall Lock
    Catteshall Lock is a historic navigation lock on the River Wey in Surrey, England, forming part of one of the country’s earliest commercial waterways.
  • B. Buxton Lock
    Buxton Lock is a historic canal lock on the Aylsham Navigation waterway in Norfolk, England, used to manage water levels and enable boat passage.
  • C. Saltersford Lock
    Saltersford Lock is a navigation lock on the River Weaver in Cheshire, England, used to manage water levels and enable boat passage along the river.
  • D. Haverholme Lock
    Haverholme Lock is a historic lock on the Sleaford Navigation in Lincolnshire, England, built to manage water levels and enable navigation along the waterway.
  • E. Sandford Lock
    Sandford Lock is a navigation lock on the River Chelmer in Essex, England, used to manage water levels and enable boat passage along the river.
  • 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_69d8e8dc5d8c8190a6d7bd8864f43ca0 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e63d341d708190b8ef35822f8bfe7c completed April 20, 2026, 2:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07577e66c4819080298e223c2ece16 completed May 15, 2026, 5:27 p.m.
NEDg Description generation batch_6a07583fc26481908bd2f00c19f3b4cd completed May 15, 2026, 5:30 p.m.
NED2 Entity disambiguation (via description) batch_6a07594a23ac81908807df4605555d3f completed May 15, 2026, 5:35 p.m.
Created at: April 10, 2026, 1:42 p.m.