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.