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.