Triple

T2876952
Position Surface form Disambiguated ID Type / Status
Subject Harrow E56899 entity
Predicate hasRailwayStation P918 FINISHED
Object 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.
 E307352 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: Harrow & Wealdstone railway station | Statement: [Harrow, hasRailwayStation, Harrow & Wealdstone railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harrow & Wealdstone railway station
Context triple: [Harrow, hasRailwayStation, Harrow & Wealdstone railway station]
  • A. Hampstead Heath railway station
    Hampstead Heath railway station is a London Overground station in north London serving the Hampstead area near Hampstead Heath park.
  • B. Teddington railway station
    Teddington railway station is a suburban rail station in southwest London serving the town of Teddington in the London Borough of Richmond upon Thames.
  • C. Harrow-on-the-Hill railway station
    Harrow-on-the-Hill railway station is a major London Underground and National Rail interchange in the London Borough of Harrow, serving as a key transport hub in northwest London.
  • D. Highbury & Islington station
    Highbury & Islington station is a busy north London transport hub served by London Overground, London Underground, and National Rail services.
  • E. Blackheath railway station
    Blackheath railway station is a suburban rail station in southeast London serving the Blackheath area with regular commuter services into central London and surrounding regions.
  • 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: Harrow & Wealdstone railway station
Triple: [Harrow, hasRailwayStation, Harrow & Wealdstone railway station]
Generated description
Harrow & Wealdstone railway station is a major transport hub in northwest London served by National Rail, London Overground, and London Underground services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harrow & Wealdstone railway station
Target entity description: Harrow & Wealdstone railway station is a major transport hub in northwest London served by National Rail, London Overground, and London Underground services.
  • A. Hampstead Heath railway station
    Hampstead Heath railway station is a London Overground station in north London serving the Hampstead area near Hampstead Heath park.
  • B. Teddington railway station
    Teddington railway station is a suburban rail station in southwest London serving the town of Teddington in the London Borough of Richmond upon Thames.
  • C. Harrow-on-the-Hill railway station
    Harrow-on-the-Hill railway station is a major London Underground and National Rail interchange in the London Borough of Harrow, serving as a key transport hub in northwest London.
  • D. Highbury & Islington station
    Highbury & Islington station is a busy north London transport hub served by London Overground, London Underground, and National Rail services.
  • E. Blackheath railway station
    Blackheath railway station is a suburban rail station in southeast London serving the Blackheath area with regular commuter services into central London and surrounding regions.
  • 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_69ab4a4ced288190ab6d3e062d10f7f6 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abe007329c8190b0bc1851c7307124 completed March 7, 2026, 8:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69b03153b5048190925bfacc07f2db66 completed March 10, 2026, 2:57 p.m.
NEDg Description generation batch_69b031d1f4d88190a9a77db5a6b02d89 completed March 10, 2026, 2:59 p.m.
NED2 Entity disambiguation (via description) batch_69b034eded648190a6b1d00aaa2a61f2 completed March 10, 2026, 3:12 p.m.
Created at: March 6, 2026, 10:03 p.m.