Triple

T963120
Position Surface form Disambiguated ID Type / Status
Subject Southwark E20778 entity
Predicate hasRailTerminus P21210 FINISHED
Object Waterloo station
Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
 E113173 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: Waterloo station | Statement: [Southwark, hasRailTerminus, Waterloo station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waterloo station
Context triple: [Southwark, hasRailTerminus, Waterloo station]
  • A. Osgoode station
    Osgoode station is a downtown Toronto subway station on Line 1 Yonge–University, serving the area around Toronto City Hall, the Four Seasons Centre, and the city’s legal and entertainment districts.
  • B. Don Mills station
    Don Mills station is an eastern Toronto subway terminus on Line 4 Sheppard that serves as a key transit hub for buses and nearby commercial and residential areas.
  • C. Vaughan Metropolitan Centre station
    Vaughan Metropolitan Centre station is a major subway terminal and transit hub in Vaughan, Ontario, serving as the northern endpoint of Toronto’s Line 1 Yonge–University.
  • D. Union Station, Toronto
    Union Station in Toronto is the city’s primary railway and transit hub, serving as a central gateway for regional, national, and local transportation.
  • E. North York Centre station
    North York Centre station is a busy underground subway stop in Toronto’s North York district, serving the commercial and civic hub around Mel Lastman Square.
  • 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: Waterloo station
Triple: [Southwark, hasRailTerminus, Waterloo station]
Generated description
Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Waterloo station
Target entity description: Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
  • A. Osgoode station
    Osgoode station is a downtown Toronto subway station on Line 1 Yonge–University, serving the area around Toronto City Hall, the Four Seasons Centre, and the city’s legal and entertainment districts.
  • B. Don Mills station
    Don Mills station is an eastern Toronto subway terminus on Line 4 Sheppard that serves as a key transit hub for buses and nearby commercial and residential areas.
  • C. Vaughan Metropolitan Centre station
    Vaughan Metropolitan Centre station is a major subway terminal and transit hub in Vaughan, Ontario, serving as the northern endpoint of Toronto’s Line 1 Yonge–University.
  • D. Union Station, Toronto
    Union Station in Toronto is the city’s primary railway and transit hub, serving as a central gateway for regional, national, and local transportation.
  • E. North York Centre station
    North York Centre station is a busy underground subway stop in Toronto’s North York district, serving the commercial and civic hub around Mel Lastman Square.
  • 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_69a493b21f2881908132dcf45dcd2f36 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4b74fc204819083dbed5c19c4bc15 completed March 1, 2026, 10:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac11a6107481909b152291a73958d3 completed March 7, 2026, 11:53 a.m.
NEDg Description generation batch_69ac12c5978481909be2d6e1ce85acd5 completed March 7, 2026, 11:57 a.m.
NED2 Entity disambiguation (via description) batch_69ac132f09448190b5f789f90328f81f completed March 7, 2026, 11:59 a.m.
Created at: March 1, 2026, 7:40 p.m.