Triple

T3565542
Position Surface form Disambiguated ID Type / Status
Subject Maria Pia Bridge E75438 entity
Predicate railwayOperatorHistoric P5620 FINISHED
Object Companhia Real dos Caminhos de Ferro Portugueses
Companhia Real dos Caminhos de Ferro Portugueses was the royal chartered company that operated and expanded much of Portugal’s mainline railway network in the late 19th and early 20th centuries.
E369386 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: Companhia Real dos Caminhos de Ferro Portugueses | Statement: [Maria Pia Bridge, railwayOperatorHistoric, Companhia Real dos Caminhos de Ferro Portugueses]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Companhia Real dos Caminhos de Ferro Portugueses
Context triple: [Maria Pia Bridge, railwayOperatorHistoric, Companhia Real dos Caminhos de Ferro Portugueses]
  • A. Portuguese national rail network
    The Portuguese national rail network is the countrywide system of railway lines and infrastructure in Portugal that supports passenger and freight train services across the nation.
  • B. Empresa de los Ferrocarriles del Estado
    Empresa de los Ferrocarriles del Estado is Chile’s state-owned railway company responsible for operating and managing much of the country’s passenger and freight rail services.
  • C. Portos dos Açores, S.A.
    Portos dos Açores, S.A. is the regional public company responsible for managing and operating the main commercial ports of the Azores archipelago in Portugal.
  • D. freight division of Comboios de Portugal
    The freight division of Comboios de Portugal was the rail freight arm of Portugal’s national railway operator, responsible for cargo transport services before being succeeded by CP Carga.
  • E. Renfe Operadora
    Renfe Operadora is Spain’s national state-owned railway company, responsible for operating most passenger and freight rail services across the country.
  • 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: Companhia Real dos Caminhos de Ferro Portugueses
Triple: [Maria Pia Bridge, railwayOperatorHistoric, Companhia Real dos Caminhos de Ferro Portugueses]
Generated description
Companhia Real dos Caminhos de Ferro Portugueses was the royal chartered company that operated and expanded much of Portugal’s mainline railway network in the late 19th and early 20th centuries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Companhia Real dos Caminhos de Ferro Portugueses
Target entity description: Companhia Real dos Caminhos de Ferro Portugueses was the royal chartered company that operated and expanded much of Portugal’s mainline railway network in the late 19th and early 20th centuries.
  • A. Portuguese national rail network
    The Portuguese national rail network is the countrywide system of railway lines and infrastructure in Portugal that supports passenger and freight train services across the nation.
  • B. Empresa de los Ferrocarriles del Estado
    Empresa de los Ferrocarriles del Estado is Chile’s state-owned railway company responsible for operating and managing much of the country’s passenger and freight rail services.
  • C. Portos dos Açores, S.A.
    Portos dos Açores, S.A. is the regional public company responsible for managing and operating the main commercial ports of the Azores archipelago in Portugal.
  • D. freight division of Comboios de Portugal
    The freight division of Comboios de Portugal was the rail freight arm of Portugal’s national railway operator, responsible for cargo transport services before being succeeded by CP Carga.
  • E. Renfe Operadora
    Renfe Operadora is Spain’s national state-owned railway company, responsible for operating most passenger and freight rail services across the country.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: railwayOperatorHistoric
Context triple: [Maria Pia Bridge, railwayOperatorHistoric, Companhia Real dos Caminhos de Ferro Portugueses]
  • A. railwayCompany chosen
    Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
  • B. hasLocalRailOperator
    Indicates that a specified rail operator is responsible for providing local or regional rail services within a particular area or network.
  • C. railwayCompanyType
    Indicates the specific category or classification of a railway company in terms of its role, ownership, or operational type.
  • D. railwayOperatorBranding
    Indicates that one entity is responsible for the railway-related branding, livery, or visual identity applied to another entity (such as a train service, station, or rolling stock).
  • E. hasRailroadHistoryWith
    Indicates a historical relationship or connection between entities involving railroads, such as shared development, operation, or significant events in railway history.
  • 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_69ad85d512708190829c8b2d3a2ccfb8 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc0a8f6288190928479f5bea32245 completed March 8, 2026, 6:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69b3bbacbb1081908fc57168a8fc3ade completed March 13, 2026, 7:24 a.m.
NEDg Description generation batch_69b3bf78d6a881908d5bcc4ae50a76e5 completed March 13, 2026, 7:40 a.m.
NED2 Entity disambiguation (via description) batch_69b3f5adac0481908b9053585c317be0 completed March 13, 2026, 11:31 a.m.
PD Predicate disambiguation batch_69adb834779081908468e182d5f6cf02 completed March 8, 2026, 5:56 p.m.
Created at: March 8, 2026, 3:21 p.m.