Triple

T10662208
Position Surface form Disambiguated ID Type / Status
Subject York and North Midland Railway E251253 entity
Predicate historicalPeriod P302 FINISHED
Object Railway Mania
Railway Mania was a speculative investment bubble in the United Kingdom during the 1840s, marked by frenzied promotion and overbuilding of railways that ultimately led to widespread financial losses.
E876598 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: Railway Mania | Statement: [York and North Midland Railway, historicalPeriod, Railway Mania]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Railway Mania
Context triple: [York and North Midland Railway, historicalPeriod, Railway Mania]
  • A. October Railway
    October Railway is a major Russian railway network that connects Moscow with Saint Petersburg and the northwest regions of the country.
  • B. The Railway
    The Railway is an 1873 oil painting by Édouard Manet depicting a woman and a young girl by a Paris train station, notable for its modern urban subject and unconventional composition.
  • C. London & Continental Railways
    London & Continental Railways is a UK government-owned property and development company best known for its role in major rail-related regeneration projects such as those around King’s Cross.
  • D. Rail Regulator
    The Rail Regulator was the former independent statutory body in Great Britain responsible for overseeing and enforcing the economic and safety regulation of the railway industry before its functions were transferred to successor regulators.
  • E. Megatrain
    Megatrain was a low-cost UK rail ticket brand offering advance-purchase fares on selected train services operated by Stagecoach Group.
  • 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: Railway Mania
Triple: [York and North Midland Railway, historicalPeriod, Railway Mania]
Generated description
Railway Mania was a speculative investment bubble in the United Kingdom during the 1840s, marked by frenzied promotion and overbuilding of railways that ultimately led to widespread financial losses.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Railway Mania
Target entity description: Railway Mania was a speculative investment bubble in the United Kingdom during the 1840s, marked by frenzied promotion and overbuilding of railways that ultimately led to widespread financial losses.
  • A. October Railway
    October Railway is a major Russian railway network that connects Moscow with Saint Petersburg and the northwest regions of the country.
  • B. The Railway
    The Railway is an 1873 oil painting by Édouard Manet depicting a woman and a young girl by a Paris train station, notable for its modern urban subject and unconventional composition.
  • C. London & Continental Railways
    London & Continental Railways is a UK government-owned property and development company best known for its role in major rail-related regeneration projects such as those around King’s Cross.
  • D. Rail Regulator
    The Rail Regulator was the former independent statutory body in Great Britain responsible for overseeing and enforcing the economic and safety regulation of the railway industry before its functions were transferred to successor regulators.
  • E. Megatrain
    Megatrain was a low-cost UK rail ticket brand offering advance-purchase fares on selected train services operated by Stagecoach Group.
  • 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_69d6aa5b0d2881909584b20efc5877f0 completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6e018d1e881909b8e62682104e842 completed April 8, 2026, 11:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69d97a8cabc88190b430cb08ed0fc515 completed April 10, 2026, 10:32 p.m.
NEDg Description generation batch_69d97cd3eab48190a191f0d8278ef761 completed April 10, 2026, 10:42 p.m.
NED2 Entity disambiguation (via description) batch_69d97e189800819087bf6af15b2370a2 completed April 10, 2026, 10:47 p.m.
Created at: April 8, 2026, 9:08 p.m.