Triple

T15015696
Position Surface form Disambiguated ID Type / Status
Subject Sleaford railway station E377953 entity
Predicate originallyOpenedBy P17948 FINISHED
Object Boston, Sleaford and Midland Counties Railway
The Boston, Sleaford and Midland Counties Railway was a 19th-century British railway company that developed and operated lines connecting Boston and Sleaford to the wider Midland counties network.
 E1131327 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: Boston, Sleaford and Midland Counties Railway | Statement: [Sleaford railway station, originallyOpenedBy, Boston, Sleaford and Midland Counties Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boston, Sleaford and Midland Counties Railway
Context triple: [Sleaford railway station, originallyOpenedBy, Boston, Sleaford and Midland Counties Railway]
  • A. Eastern Counties Railway
    Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
  • B. Midland Counties Railway
    The Midland Counties Railway was an early 19th-century British railway company that helped pioneer mainline rail transport in the English Midlands before later becoming part of the Midland Railway.
  • C. North Midland Railway
    The North Midland Railway was an early 19th-century British railway company that operated a key main line in the Midlands, later becoming part of the Midland Railway.
  • D. Cheshire Midland Railway
    The Cheshire Midland Railway was a 19th-century British railway company that developed and operated local lines in the Cheshire area before being absorbed into larger railway networks.
  • E. Buckinghamshire Railway
    Buckinghamshire Railway was a 19th-century railway company in England that developed and operated lines across Buckinghamshire and surrounding counties before being absorbed into larger railway networks.
  • 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: Boston, Sleaford and Midland Counties Railway
Triple: [Sleaford railway station, originallyOpenedBy, Boston, Sleaford and Midland Counties Railway]
Generated description
The Boston, Sleaford and Midland Counties Railway was a 19th-century British railway company that developed and operated lines connecting Boston and Sleaford to the wider Midland counties network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Boston, Sleaford and Midland Counties Railway
Target entity description: The Boston, Sleaford and Midland Counties Railway was a 19th-century British railway company that developed and operated lines connecting Boston and Sleaford to the wider Midland counties network.
  • A. Eastern Counties Railway
    Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
  • B. Midland Counties Railway
    The Midland Counties Railway was an early 19th-century British railway company that helped pioneer mainline rail transport in the English Midlands before later becoming part of the Midland Railway.
  • C. North Midland Railway
    The North Midland Railway was an early 19th-century British railway company that operated a key main line in the Midlands, later becoming part of the Midland Railway.
  • D. Cheshire Midland Railway
    The Cheshire Midland Railway was a 19th-century British railway company that developed and operated local lines in the Cheshire area before being absorbed into larger railway networks.
  • E. Buckinghamshire Railway
    Buckinghamshire Railway was a 19th-century railway company in England that developed and operated lines across Buckinghamshire and surrounding counties before being absorbed into larger railway networks.
  • 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_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.
NEDg Description generation batch_69fe97c0a3688190a9f55376a1d7ad87 completed May 9, 2026, 2:11 a.m.
NED2 Entity disambiguation (via description) batch_69fe985cec608190888733cdc5bd71ea completed May 9, 2026, 2:13 a.m.
Created at: April 10, 2026, 2:55 a.m.