Triple

T26040963
Position Surface form Disambiguated ID Type / Status
Subject Broughton E647687 entity
Predicate servedByHistoricRailway P782 FINISHED
Object Symington, Biggar and Broughton Railway
The Symington, Biggar and Broughton Railway was a 19th-century Scottish branch line that connected rural communities in the Scottish Borders to the main railway network.
 E1708721 NE FINISHED

How this triple was built (3 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: Symington, Biggar and Broughton Railway | Statement: [Broughton, servedByHistoricRailway, Symington, Biggar and Broughton Railway]
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: Symington, Biggar and Broughton Railway
Triple: [Broughton, servedByHistoricRailway, Symington, Biggar and Broughton Railway]
Generated description
The Symington, Biggar and Broughton Railway was a 19th-century Scottish branch line that connected rural communities in the Scottish Borders to the main railway network.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: servedByHistoricRailway
Context triple: [Broughton, servedByHistoricRailway, Symington, Biggar and Broughton Railway]
  • A. servedByRailroad chosen
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • B. formerRailOperator
    Indicates that an entity previously operated a rail service or railway system but no longer does so.
  • C. formerRailwayLine
    Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
  • D. servedRailroadsIn
    Indicates that an individual or entity provided service or worked in an official capacity for one or more specified railroad companies.
  • E. followsFormerRailroad
    Indicates that something is aligned with or traces the route of a former railroad line.
  • 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_69e77e8c88f08190858c4c81bd2e1b9a completed April 21, 2026, 1:41 p.m.
NER Named-entity recognition batch_69f71f8ee0688190bd025f27993452d3 completed May 3, 2026, 10:12 a.m.
NED1 Entity disambiguation (via context triple) batch_6a111b198da88190b07efa313c80a974 completed May 23, 2026, 3:12 a.m.
NEDg Description generation batch_6a111e76e474819087a914d13e5df465 completed May 23, 2026, 3:26 a.m.
NED2 Entity disambiguation (via description) batch_6a111ec8b2b48190ab279139c0dbee15 completed May 23, 2026, 3:28 a.m.
PD Predicate disambiguation batch_69f71cc405c08190863565609a4c8499 completed May 3, 2026, 10 a.m.
Created at: April 22, 2026, 9:08 a.m.