Triple

T2754329
Position Surface form Disambiguated ID Type / Status
Subject Hammersmith & City line E61063 entity
Predicate servesStation P839 FINISHED
Object Euston Square
Euston Square is a London Underground station in central London, located near Euston railway station and served by multiple sub-surface lines.
 E295474 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 Square | Statement: [Hammersmith & City line, servesStation, Euston Square]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Euston Square
Context triple: [Hammersmith & City line, servesStation, Euston Square]
  • A. Woburn Square
    Woburn Square is a small Georgian garden square in Bloomsbury, central London, known for its historic architecture and academic surroundings.
  • B. Hyde Park Corner
    Hyde Park Corner is a major road junction and public space in central London, situated near Hyde Park and known for its memorials and heavy traffic.
  • C. Mansion House
    Mansion House is the official residence and office of the Lord Mayor of London, located in the City of London.
  • D. Muswell Manor
    Muswell Manor is a historic manor house on the Isle of Sheppey in Kent, England, notable for its heritage significance and longstanding presence in the area.
  • E. Chelsea Street
    Chelsea Street is a major thoroughfare in Chelsea, Massachusetts that serves as a key corridor for traffic and public transit between Chelsea and Boston.
  • 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 Square
Triple: [Hammersmith & City line, servesStation, Euston Square]
Generated description
Euston Square is a London Underground station in central London, located near Euston railway station and served by multiple sub-surface lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Euston Square
Target entity description: Euston Square is a London Underground station in central London, located near Euston railway station and served by multiple sub-surface lines.
  • A. Woburn Square
    Woburn Square is a small Georgian garden square in Bloomsbury, central London, known for its historic architecture and academic surroundings.
  • B. Hyde Park Corner
    Hyde Park Corner is a major road junction and public space in central London, situated near Hyde Park and known for its memorials and heavy traffic.
  • C. Mansion House
    Mansion House is the official residence and office of the Lord Mayor of London, located in the City of London.
  • D. Muswell Manor
    Muswell Manor is a historic manor house on the Isle of Sheppey in Kent, England, notable for its heritage significance and longstanding presence in the area.
  • E. Chelsea Street
    Chelsea Street is a major thoroughfare in Chelsea, Massachusetts that serves as a key corridor for traffic and public transit between Chelsea and Boston.
  • 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_69ab4b7a85bc819094a349b84beb1f2c completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdb7073d081909da84b21015972f2 completed March 7, 2026, 8:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69afbbdb43d481909bf4e61840979c0a completed March 10, 2026, 6:36 a.m.
NEDg Description generation batch_69afbc758cc48190a96f80a850316ce3 completed March 10, 2026, 6:38 a.m.
NED2 Entity disambiguation (via description) batch_69afbd7be9088190a19bed27249e95c4 completed March 10, 2026, 6:43 a.m.
Created at: March 6, 2026, 9:56 p.m.