Triple
T15015690
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sleaford railway station |
E377953
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Grantham–Skegness line |
E432452
|
NE FINISHED |
How this triple was built (2 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: Grantham–Skegness line | Statement: [Sleaford railway station, locatedOn, Grantham–Skegness line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grantham–Skegness line Context triple: [Sleaford railway station, locatedOn, Grantham–Skegness line]
-
A.
Grantham–Skegness line
chosen
The Grantham–Skegness line is a regional railway route in Lincolnshire, England, linking inland towns with the seaside resort of Skegness.
-
B.
Nottingham–Skegness line
The Nottingham–Skegness line is a regional railway route in England linking the East Midlands city of Nottingham with the seaside resort of Skegness via towns such as Grantham and Boston.
-
C.
Gainsborough Line
The Gainsborough Line is a rural railway route in Suffolk, England, linking Marks Tey with Sudbury and serving local communities along the Stour Valley.
-
D.
Breckland line
The Breckland line is a railway route in East Anglia, England, running between Cambridge and Norwich through the rural Breckland region.
-
E.
West Anglia Main Line
The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d85cd3a3c881908c71fc424d459c17 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded7623c3c819092ca36b358b01842 |
completed | April 15, 2026, 12:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe96ae110c8190a0555590b9ddb36a |
completed | May 9, 2026, 2:06 a.m. |
Created at: April 10, 2026, 2:55 a.m.