Triple

T7224444
Position Surface form Disambiguated ID Type / Status
Subject Nottingham–Grantham line E150341 entity
Predicate connectsToLineAtTerminus P35426 FINISHED
Object East Coast Main Line at Grantham
The East Coast Main Line at Grantham is a key junction and station on the major intercity rail route between London and northeastern England, serving as an important interchange for regional and long-distance services.
E650196 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: East Coast Main Line at Grantham | Statement: [Nottingham–Grantham line, connectsToLineAtTerminus, East Coast Main Line at Grantham]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Coast Main Line at Grantham
Context triple: [Nottingham–Grantham line, connectsToLineAtTerminus, East Coast Main Line at Grantham]
  • A. Grantham–Skegness line
    The Grantham–Skegness line is a regional railway route in Lincolnshire, England, linking inland towns with the seaside resort of Skegness.
  • B. Great Eastern Main Line at Shenfield
    The Great Eastern Main Line at Shenfield is a key junction on the rail network in Essex where long-distance services to East Anglia and commuter routes toward London intersect with branch lines such as the Shenfield–Southend route.
  • C. 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.
  • D. Tonbridge–Hastings railway
    The Tonbridge–Hastings railway is a main line in southeast England connecting the town of Tonbridge in Kent with the coastal resort of Hastings in East Sussex.
  • E. Northampton Loop Line
    The Northampton Loop Line is a railway branch of the West Coast Main Line in England that diverts via Northampton, providing passenger and freight services between Rugby and Milton Keynes.
  • 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: East Coast Main Line at Grantham
Triple: [Nottingham–Grantham line, connectsToLineAtTerminus, East Coast Main Line at Grantham]
Generated description
The East Coast Main Line at Grantham is a key junction and station on the major intercity rail route between London and northeastern England, serving as an important interchange for regional and long-distance services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East Coast Main Line at Grantham
Target entity description: The East Coast Main Line at Grantham is a key junction and station on the major intercity rail route between London and northeastern England, serving as an important interchange for regional and long-distance services.
  • A. Grantham–Skegness line
    The Grantham–Skegness line is a regional railway route in Lincolnshire, England, linking inland towns with the seaside resort of Skegness.
  • B. Great Eastern Main Line at Shenfield
    The Great Eastern Main Line at Shenfield is a key junction on the rail network in Essex where long-distance services to East Anglia and commuter routes toward London intersect with branch lines such as the Shenfield–Southend route.
  • C. 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.
  • D. Tonbridge–Hastings railway
    The Tonbridge–Hastings railway is a main line in southeast England connecting the town of Tonbridge in Kent with the coastal resort of Hastings in East Sussex.
  • E. Northampton Loop Line
    The Northampton Loop Line is a railway branch of the West Coast Main Line in England that diverts via Northampton, providing passenger and freight services between Rugby and Milton Keynes.
  • 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_69c687effb44819092b95d07d0368c9f completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6f04089408190aa20ed6767590ae1 completed March 27, 2026, 9:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7cc11b48881909886a71f1b887789 completed March 28, 2026, 12:39 p.m.
NEDg Description generation batch_69c7cd47d4b88190a75c419c41d57cb9 completed March 28, 2026, 12:44 p.m.
NED2 Entity disambiguation (via description) batch_69c7cdbdee8081908faadb9cdaa4df13 completed March 28, 2026, 12:46 p.m.
Created at: March 27, 2026, 2:54 p.m.