Triple

T4346768
Position Surface form Disambiguated ID Type / Status
Subject Grantham railway station E97922 entity
Predicate onLine P1293 FINISHED
Object Grantham–Skegness line
The Grantham–Skegness line is a regional railway route in Lincolnshire, England, linking inland towns with the seaside resort of Skegness.
 E432452 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: Grantham–Skegness line | Statement: [Grantham railway station, onLine, Grantham–Skegness line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grantham–Skegness line
Context triple: [Grantham railway station, onLine, Grantham–Skegness line]
  • A. Breckland line
    The Breckland line is a railway route in East Anglia, England, running between Cambridge and Norwich through the rural Breckland region.
  • B. 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.
  • C. Peterborough–Lincoln line
    The Peterborough–Lincoln line is a regional railway route in eastern England that connects the cities of Peterborough and Lincoln via intermediate towns such as Sleaford.
  • D. Birmingham–Leamington Spa line
    The Birmingham–Leamington Spa line is a railway route in the West Midlands and Warwickshire connecting Birmingham with Leamington Spa, used for both regional passenger services and some longer-distance trains.
  • E. York–Selby line
    The York–Selby line is a railway route in North Yorkshire, England, connecting the historic city of York with the market town of Selby as part of the regional rail network.
  • 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: Grantham–Skegness line
Triple: [Grantham railway station, onLine, Grantham–Skegness line]
Generated description
The Grantham–Skegness line is a regional railway route in Lincolnshire, England, linking inland towns with the seaside resort of Skegness.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grantham–Skegness line
Target entity description: The Grantham–Skegness line is a regional railway route in Lincolnshire, England, linking inland towns with the seaside resort of Skegness.
  • A. Breckland line
    The Breckland line is a railway route in East Anglia, England, running between Cambridge and Norwich through the rural Breckland region.
  • B. 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.
  • C. Peterborough–Lincoln line
    The Peterborough–Lincoln line is a regional railway route in eastern England that connects the cities of Peterborough and Lincoln via intermediate towns such as Sleaford.
  • D. Birmingham–Leamington Spa line
    The Birmingham–Leamington Spa line is a railway route in the West Midlands and Warwickshire connecting Birmingham with Leamington Spa, used for both regional passenger services and some longer-distance trains.
  • E. York–Selby line
    The York–Selby line is a railway route in North Yorkshire, England, connecting the historic city of York with the market town of Selby as part of the regional rail network.
  • 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_69b34548402c819085ab68b27c235a87 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3518d6728819084a2f40ae0bd3ac8 completed March 12, 2026, 11:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5dba958b88190b1b4efe4274cd060 completed March 14, 2026, 10:05 p.m.
NEDg Description generation batch_69b5dc1eedc08190b50b72b59cf1dcf0 completed March 14, 2026, 10:07 p.m.
NED2 Entity disambiguation (via description) batch_69b5dcbf4d5081908d24bce8e2769124 completed March 14, 2026, 10:10 p.m.
Created at: March 12, 2026, 11:15 p.m.