Triple

T8320473
Position Surface form Disambiguated ID Type / Status
Subject Cambrian Heritage Railways E194817 entity
Predicate focusesOnHistoricalPeriod P36351 FINISHED
Object Cambrian Railways era
The Cambrian Railways era refers to the historical period when the Cambrian Railways company operated an extensive network of rural railway lines across mid and west Wales and the English borderlands before its absorption into the Great Western Railway in the early 20th century.
E725863 NE FINISHED

How this triple was built (5 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: Cambrian Railways era | Statement: [Cambrian Heritage Railways, focusesOnHistoricalPeriod, Cambrian Railways era]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cambrian Railways era
Context triple: [Cambrian Heritage Railways, focusesOnHistoricalPeriod, Cambrian Railways era]
  • A. Cambrian Heritage Railways
    Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
  • B. 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.
  • C. October Railway
    October Railway is a major Russian railway network that connects Moscow with Saint Petersburg and the northwest regions of the country.
  • D. Cambrian Line
    The Cambrian Line is a scenic railway route in Wales that runs through rural mid-Wales to the west coast, connecting towns such as Shrewsbury, Aberystwyth, and Pwllheli.
  • E. First Rail
    First Rail is the rail division of FirstGroup, operating passenger train services and related rail transport operations in the United Kingdom.
  • 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: Cambrian Railways era
Triple: [Cambrian Heritage Railways, focusesOnHistoricalPeriod, Cambrian Railways era]
Generated description
The Cambrian Railways era refers to the historical period when the Cambrian Railways company operated an extensive network of rural railway lines across mid and west Wales and the English borderlands before its absorption into the Great Western Railway in the early 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cambrian Railways era
Target entity description: The Cambrian Railways era refers to the historical period when the Cambrian Railways company operated an extensive network of rural railway lines across mid and west Wales and the English borderlands before its absorption into the Great Western Railway in the early 20th century.
  • A. Cambrian Heritage Railways
    Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
  • B. 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.
  • C. October Railway
    October Railway is a major Russian railway network that connects Moscow with Saint Petersburg and the northwest regions of the country.
  • D. Cambrian Line
    The Cambrian Line is a scenic railway route in Wales that runs through rural mid-Wales to the west coast, connecting towns such as Shrewsbury, Aberystwyth, and Pwllheli.
  • E. First Rail
    First Rail is the rail division of FirstGroup, operating passenger train services and related rail transport operations in the United Kingdom.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: focusesOnHistoricalPeriod
Context triple: [Cambrian Heritage Railways, focusesOnHistoricalPeriod, Cambrian Railways era]
  • A. historicalFocus chosen
    Indicates that something is primarily concerned with, centered on, or devoted to a particular historical period, event, or theme.
  • B. historicalPeriodOfSignificance
    Indicates the time period during which an entity is considered to have had its most important or influential historical impact.
  • C. historicalFocusRegion
    Indicates that an entity’s primary historical attention, study, or activity is centered on a particular geographic region.
  • D. occupationPeriod
    Indicates the time span during which an entity holds or held a particular occupation or role.
  • E. locatedInHistoricPeriod
    Indicates that an entity exists, occurs, or is situated within a specific historic period or era.
  • F. None of above.

Provenance (6 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_69ca82e7a8a88190a32bb5cc0feb012d completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7f6686a0819094abc2bfd2e500a5 completed March 31, 2026, 8:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd95a058948190b056d9b0f0607933 completed April 1, 2026, 10:01 p.m.
NEDg Description generation batch_69cdab5f30b0819080136084d81774a9 completed April 1, 2026, 11:33 p.m.
NED2 Entity disambiguation (via description) batch_69cdb2d365e48190a766ca959ce56b19 completed April 2, 2026, 12:05 a.m.
PD Predicate disambiguation batch_69cb70bf689c8190a9d9b6b872abf53d completed March 31, 2026, 6:59 a.m.
Created at: March 30, 2026, 5:55 p.m.