Triple

T13556367
Position Surface form Disambiguated ID Type / Status
Subject Mill Hill Broadway E323783 entity
Predicate hasLandmark P105 FINISHED
Object Mill Hill Broadway viaduct
Mill Hill Broadway viaduct is a railway bridge structure in the Mill Hill Broadway area of north London, carrying tracks over the surrounding roads and urban landscape.
E1048488 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: Mill Hill Broadway viaduct | Statement: [Mill Hill Broadway, hasLandmark, Mill Hill Broadway viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mill Hill Broadway viaduct
Context triple: [Mill Hill Broadway, hasLandmark, Mill Hill Broadway viaduct]
  • A. Holborn Viaduct
    Holborn Viaduct is a 19th-century iron and stone road bridge in central London that carries traffic over the valley of the River Fleet between Holborn and the City.
  • B. Medway Viaducts
    Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
  • C. Welwyn Viaduct
    Welwyn Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its multiple brick arches carrying the East Coast Main Line across the River Mimram valley.
  • D. Tinsley Viaduct
    Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
  • E. Whalley Viaduct
    Whalley Viaduct is a historic multi-arched railway bridge in Lancashire, England, notable for carrying the railway across the River Calder near the village of Whalley.
  • 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: Mill Hill Broadway viaduct
Triple: [Mill Hill Broadway, hasLandmark, Mill Hill Broadway viaduct]
Generated description
Mill Hill Broadway viaduct is a railway bridge structure in the Mill Hill Broadway area of north London, carrying tracks over the surrounding roads and urban landscape.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mill Hill Broadway viaduct
Target entity description: Mill Hill Broadway viaduct is a railway bridge structure in the Mill Hill Broadway area of north London, carrying tracks over the surrounding roads and urban landscape.
  • A. Holborn Viaduct
    Holborn Viaduct is a 19th-century iron and stone road bridge in central London that carries traffic over the valley of the River Fleet between Holborn and the City.
  • B. Medway Viaducts
    Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
  • C. Welwyn Viaduct
    Welwyn Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its multiple brick arches carrying the East Coast Main Line across the River Mimram valley.
  • D. Tinsley Viaduct
    Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
  • E. Whalley Viaduct
    Whalley Viaduct is a historic multi-arched railway bridge in Lancashire, England, notable for carrying the railway across the River Calder near the village of Whalley.
  • 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_69d8076830b48190910a902bae5888e2 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbaff3063c8190bd20149b3f7df352 completed April 12, 2026, 2:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69f76bb0195c8190b62e7aad4d78f899 completed May 3, 2026, 3:37 p.m.
NEDg Description generation batch_69f778e8dbb88190bbdca0261c54c554 completed May 3, 2026, 4:33 p.m.
NED2 Entity disambiguation (via description) batch_69f779877d048190a11e9bdef68c1f4b completed May 3, 2026, 4:36 p.m.
Created at: April 9, 2026, 9:47 p.m.