Triple

T7082414
Position Surface form Disambiguated ID Type / Status
Subject London Underground Central line E164986 entity
Predicate mapAbbreviation P36183 FINISHED
Object Central
Central is the standard map abbreviation used to denote the Central line, one of the primary east–west routes on the London Underground.
E640227 NE FINISHED

How this triple was built (5 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: Central | Statement: [London Underground Central line, mapAbbreviation, Central]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Central
Context triple: [London Underground Central line, mapAbbreviation, Central]
  • A. Central
    Central is a subway station on the Massachusetts Bay Transportation Authority (MBTA) system located in Cambridge, Massachusetts.
  • B. Central
    Central is a former British ITV regional television company that served the Midlands region and produced a wide range of popular UK programming.
  • C. Centre
    Centre was the former name of the administrative region in central France now known as Centre-Val de Loire.
  • D. Center
    Center is the common shorthand term used in aviation to refer to an Air Route Traffic Control Center, which manages en route air traffic over large regions.
  • E. Center-West
    Center-West is one of Brazil’s five major geographic regions, encompassing inland states characterized by vast savannas, agribusiness, and the Pantanal wetlands.
  • 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: Central
Triple: [London Underground Central line, mapAbbreviation, Central]
Generated description
Central is the standard map abbreviation used to denote the Central line, one of the primary east–west routes on the London Underground.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Central
Target entity description: Central is the standard map abbreviation used to denote the Central line, one of the primary east–west routes on the London Underground.
  • A. Central
    Central is a subway station on the Massachusetts Bay Transportation Authority (MBTA) system located in Cambridge, Massachusetts.
  • B. Central
    Central is a former British ITV regional television company that served the Midlands region and produced a wide range of popular UK programming.
  • C. Centre
    Centre was the former name of the administrative region in central France now known as Centre-Val de Loire.
  • D. Center
    Center is the common shorthand term used in aviation to refer to an Air Route Traffic Control Center, which manages en route air traffic over large regions.
  • E. Center-West
    Center-West is one of Brazil’s five major geographic regions, encompassing inland states characterized by vast savannas, agribusiness, and the Pantanal wetlands.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: mapAbbreviation
Context triple: [London Underground Central line, mapAbbreviation, Central]
  • A. cityAbbreviationOf
    Indicates that one term is an official or commonly used abbreviated form of the name of a particular city.
  • B. eraAbbreviation
    Indicates that one term is the standard shortened or abbreviated form of a named historical or chronological era.
  • C. divisionAbbreviation
    Indicates that one entity is the standard shortened or abbreviated form of the name of a division associated with another entity.
  • D. abbreviationUsedFor chosen
    Indicates that a particular shortened form or acronym is used to represent or stand in for a longer term, name, or expression.
  • E. establishesAbbreviation
    Indicates that one entity defines or introduces an abbreviated form that stands for another entity.
  • F. None of above.

Provenance (6 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_69c6887d98408190912b9580666b0c1d completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e50f133c81908c5f7336fd5bc5d2 completed March 27, 2026, 8:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7947c32f081909340b05a46ae7bdd completed March 28, 2026, 8:42 a.m.
NEDg Description generation batch_69c79523b1e881909b7f31a20f03d4b3 completed March 28, 2026, 8:45 a.m.
NED2 Entity disambiguation (via description) batch_69c795e542d881909defeb4056898495 completed March 28, 2026, 8:48 a.m.
PD Predicate disambiguation batch_69c6e1bfcb948190a5ada74fb8c054cb completed March 27, 2026, 8 p.m.
Created at: March 27, 2026, 2:40 p.m.