Triple

T109573
Position Surface form Disambiguated ID Type / Status
Subject National Rail E2215 entity
Predicate logoDerivedFrom P5880 FINISHED
Object British Rail double arrow symbol
The British Rail double arrow symbol is an iconic UK railway logo featuring two parallel arrows pointing in opposite directions, widely recognized as the enduring emblem of the national rail network.
E2215 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: British Rail double arrow symbol | Statement: [National Rail, logoDerivedFrom, British Rail double arrow symbol]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail double arrow symbol
Context triple: [National Rail, logoDerivedFrom, British Rail double arrow symbol]
  • A. National Rail
    National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
  • B. Network Rail
    Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
  • C. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • D. RAF roundel
    The RAF roundel is the distinctive circular insignia featuring concentric colored rings used to identify aircraft and equipment of the United Kingdom’s Royal Air Force.
  • E. Northern Trains
    Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
  • 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: British Rail double arrow symbol
Triple: [National Rail, logoDerivedFrom, British Rail double arrow symbol]
Generated description
The British Rail double arrow symbol is an iconic UK railway logo featuring two parallel arrows pointing in opposite directions, widely recognized as the enduring emblem of the national rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: British Rail double arrow symbol
Target entity description: The British Rail double arrow symbol is an iconic UK railway logo featuring two parallel arrows pointing in opposite directions, widely recognized as the enduring emblem of the national rail network.
  • A. National Rail chosen
    National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
  • B. Network Rail
    Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
  • C. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • D. RAF roundel
    The RAF roundel is the distinctive circular insignia featuring concentric colored rings used to identify aircraft and equipment of the United Kingdom’s Royal Air Force.
  • E. Northern Trains
    Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: logoDerivedFrom
Context triple: [National Rail, logoDerivedFrom, British Rail double arrow symbol]
  • A. logoImage
    Indicates the image that serves as the logo representing an entity.
  • B. formerBrand
    Indicates that an entity was previously used or recognized as a brand for another entity but is no longer its current brand.
  • C. brand
    Indicates that one entity is the commercial brand or label under which another entity (such as a product, service, or organization) is marketed or identified.
  • D. hasLogoText
    Indicates that an entity’s logo includes specific textual content or wording.
  • E. coatOfArms
    Indicates that one entity serves as the heraldic emblem or coat of arms representing another entity.
  • F. None of above. chosen

Provenance (7 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_69a24fcdaeb48190a2d796677e4b3281 completed Feb. 28, 2026, 2:15 a.m.
NER Named-entity recognition batch_69a25711f6788190a22252ea3a3af394 completed Feb. 28, 2026, 2:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69a275e81aa48190827b634822e25058 completed Feb. 28, 2026, 4:58 a.m.
NEDg Description generation batch_69a2772d526881909052faae2b3b9829 completed Feb. 28, 2026, 5:03 a.m.
NED2 Entity disambiguation (via description) batch_69a277a7c6a08190820993e8de80d21a completed Feb. 28, 2026, 5:05 a.m.
PD Predicate disambiguation batch_69a2563fd2fc819090265edbfe3092d6 completed Feb. 28, 2026, 2:43 a.m.
PDg Predicate description generation batch_69a2570f45bc81909ebba7ee5f602976 completed Feb. 28, 2026, 2:46 a.m.
Created at: Feb. 28, 2026, 2:20 a.m.