Triple

T12179529
Position Surface form Disambiguated ID Type / Status
Subject Clacton-on-Sea railway station E290180 entity
Predicate openedBy P421 FINISHED
Object Clacton-on-Sea Railway
Clacton-on-Sea Railway was a historic railway company that developed and operated the line serving the seaside resort of Clacton-on-Sea in Essex, England.
E970253 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: Clacton-on-Sea Railway | Statement: [Clacton-on-Sea railway station, openedBy, Clacton-on-Sea Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Clacton-on-Sea Railway
Context triple: [Clacton-on-Sea railway station, openedBy, Clacton-on-Sea Railway]
  • A. Cleethorpes Coast Light Railway
    Cleethorpes Coast Light Railway is a narrow-gauge heritage railway in Cleethorpes, England, offering scenic seaside rides for tourists and enthusiasts.
  • B. 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.
  • C. North Norfolk Railway
    North Norfolk Railway is a heritage steam and diesel railway in Norfolk, England, offering scenic rides along the county’s picturesque coastline and countryside.
  • D. East Kent Railway
    The East Kent Railway was a 19th-century British railway company in Kent that later expanded and rebranded as the London, Chatham and Dover Railway.
  • E. Seaford Branch Line
    The Seaford Branch Line is a suburban railway route in East Sussex, England, connecting the coastal town of Seaford with the mainline 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: Clacton-on-Sea Railway
Triple: [Clacton-on-Sea railway station, openedBy, Clacton-on-Sea Railway]
Generated description
Clacton-on-Sea Railway was a historic railway company that developed and operated the line serving the seaside resort of Clacton-on-Sea in Essex, England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Clacton-on-Sea Railway
Target entity description: Clacton-on-Sea Railway was a historic railway company that developed and operated the line serving the seaside resort of Clacton-on-Sea in Essex, England.
  • A. Cleethorpes Coast Light Railway
    Cleethorpes Coast Light Railway is a narrow-gauge heritage railway in Cleethorpes, England, offering scenic seaside rides for tourists and enthusiasts.
  • B. 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.
  • C. North Norfolk Railway
    North Norfolk Railway is a heritage steam and diesel railway in Norfolk, England, offering scenic rides along the county’s picturesque coastline and countryside.
  • D. East Kent Railway
    The East Kent Railway was a 19th-century British railway company in Kent that later expanded and rebranded as the London, Chatham and Dover Railway.
  • E. Seaford Branch Line
    The Seaford Branch Line is a suburban railway route in East Sussex, England, connecting the coastal town of Seaford with the mainline 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_69d6ab64de5881908d56eb7a75c6cc69 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d915fc451c819086a2a97967b82908 completed April 10, 2026, 3:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69f60a88b8748190a6c95e143f370010 completed May 2, 2026, 2:30 p.m.
NEDg Description generation batch_69f60bdb39f48190ad6bc51db6c34163 completed May 2, 2026, 2:36 p.m.
NED2 Entity disambiguation (via description) batch_69f60d4889d48190b2dfda8a0978cc72 completed May 2, 2026, 2:42 p.m.
Created at: April 8, 2026, 9:50 p.m.