Triple

T10706935
Position Surface form Disambiguated ID Type / Status
Subject Digswell Viaduct E252432 entity
Predicate near P350 FINISHED
Object Welwyn North railway station
Welwyn North railway station is a historic railway station in Hertfordshire, England, serving the East Coast Main Line and situated close to the landmark Digswell Viaduct.
 E880419 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: Welwyn North railway station | Statement: [Digswell Viaduct, near, Welwyn North railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Welwyn North railway station
Context triple: [Digswell Viaduct, near, Welwyn North railway station]
  • A. Welwyn Garden City railway station
    Welwyn Garden City railway station is a commuter rail station in Hertfordshire, England, serving the town of Welwyn Garden City on routes into London and surrounding areas.
  • B. Elstree & Borehamwood railway station
    Elstree & Borehamwood railway station is a suburban rail station in Hertfordshire, England, serving the town of Borehamwood on the Thameslink route into central London.
  • C. Whittlesford Parkway railway station
    Whittlesford Parkway railway station is a commuter rail station in Cambridgeshire, England, serving the village of Whittlesford and providing convenient access to Cambridge and London Liverpool Street.
  • D. Harrow & Wealdstone railway station
    Harrow & Wealdstone railway station is a major transport hub in northwest London served by National Rail, London Overground, and London Underground services.
  • E. Watford North railway station
    Watford North railway station is a small suburban rail stop in Hertfordshire, England, serving the northern part of Watford on the Abbey Line between Watford Junction and St Albans Abbey.
  • 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: Welwyn North railway station
Triple: [Digswell Viaduct, near, Welwyn North railway station]
Generated description
Welwyn North railway station is a historic railway station in Hertfordshire, England, serving the East Coast Main Line and situated close to the landmark Digswell Viaduct.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Welwyn North railway station
Target entity description: Welwyn North railway station is a historic railway station in Hertfordshire, England, serving the East Coast Main Line and situated close to the landmark Digswell Viaduct.
  • A. Welwyn Garden City railway station
    Welwyn Garden City railway station is a commuter rail station in Hertfordshire, England, serving the town of Welwyn Garden City on routes into London and surrounding areas.
  • B. Elstree & Borehamwood railway station
    Elstree & Borehamwood railway station is a suburban rail station in Hertfordshire, England, serving the town of Borehamwood on the Thameslink route into central London.
  • C. Whittlesford Parkway railway station
    Whittlesford Parkway railway station is a commuter rail station in Cambridgeshire, England, serving the village of Whittlesford and providing convenient access to Cambridge and London Liverpool Street.
  • D. Harrow & Wealdstone railway station
    Harrow & Wealdstone railway station is a major transport hub in northwest London served by National Rail, London Overground, and London Underground services.
  • E. Watford North railway station
    Watford North railway station is a small suburban rail stop in Hertfordshire, England, serving the northern part of Watford on the Abbey Line between Watford Junction and St Albans Abbey.
  • 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_69d6aa5cbabc8190973e683950d89faf completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6fddfbed48190810bb3faee473fde completed April 9, 2026, 1:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69d9990760b48190a05753974cdf556c completed April 11, 2026, 12:42 a.m.
NEDg Description generation batch_69d99e8632688190b3746649a124ca09 completed April 11, 2026, 1:06 a.m.
NED2 Entity disambiguation (via description) batch_69da625a1e8c8190b282e7a70bb7c876 completed April 11, 2026, 3:01 p.m.
Created at: April 8, 2026, 9:12 p.m.