Triple
T19556236
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | River Trent at Keadby |
E489318
|
entity |
| Predicate | hasFeature |
P182
|
FINISHED |
| Object | Keadby Lock |
—
|
NE NERFINISHED |
How this triple was built (3 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.
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 (2 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. |
Created at: April 10, 2026, 1:42 p.m.