Triple

T409646
Position Surface form Disambiguated ID Type / Status
Subject London Euston E9460 entity
Predicate hasAdjacentStation P231 FINISHED
Object Euston Underground station
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
E55093 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: Euston Underground station | Statement: [London Euston, hasAdjacentStation, Euston Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Euston Underground station
Context triple: [London Euston, hasAdjacentStation, Euston Underground station]
  • A. West End station
    West End station is a key Dallas Area Rapid Transit (DART) light rail stop serving the historic West End district in downtown Dallas, Texas.
  • B. George V metro station
    George V metro station is a Paris Métro station on Line 1 located beneath the Avenue des Champs-Élysées, serving one of the city's most famous boulevards.
  • C. London Bridge railway station
    London Bridge railway station is a major central London rail and Underground hub, serving as one of the city’s oldest and busiest commuter interchanges on the south bank of the River Thames.
  • D. London Euston
    London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
  • E. London Victoria railway station
    London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
  • 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: Euston Underground station
Triple: [London Euston, hasAdjacentStation, Euston Underground station]
Generated description
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Euston Underground station
Target entity description: Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
  • A. West End station
    West End station is a key Dallas Area Rapid Transit (DART) light rail stop serving the historic West End district in downtown Dallas, Texas.
  • B. George V metro station
    George V metro station is a Paris Métro station on Line 1 located beneath the Avenue des Champs-Élysées, serving one of the city's most famous boulevards.
  • C. London Bridge railway station
    London Bridge railway station is a major central London rail and Underground hub, serving as one of the city’s oldest and busiest commuter interchanges on the south bank of the River Thames.
  • D. London Euston
    London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
  • E. London Victoria railway station
    London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
  • 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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ecc098c4819088d127c5ea55ced9 completed Feb. 28, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a43667f180819099661c2cc5d8b188 completed March 1, 2026, 12:51 p.m.
NEDg Description generation batch_69a436e9fc9081909faf007c593e9537 completed March 1, 2026, 12:54 p.m.
NED2 Entity disambiguation (via description) batch_69a43755152881909a4dfa8b31a0aad6 completed March 1, 2026, 12:55 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.