Triple

T9299740
Position Surface form Disambiguated ID Type / Status
Subject Peso da Régua E223727 entity
Predicate railwayLine P848 FINISHED
Object Douro line
The Douro line is a historic Portuguese railway route that runs along the Douro River through the country’s wine-producing region, renowned for its scenic landscapes and connection to the Douro Valley.
E789640 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: Douro line | Statement: [Peso da Régua, railwayLine, Douro line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Douro line
Context triple: [Peso da Régua, railwayLine, Douro line]
  • A. Beira Baixa line
    The Beira Baixa line is a Portuguese railway route that connects central inland regions to the national rail network, historically serving as an important link for passenger and freight transport.
  • B. Lisbon–Porto main line
    The Lisbon–Porto main line is Portugal’s principal railway corridor, connecting the capital Lisbon with the northern city of Porto and serving major intermediate urban centers.
  • C. Algarve line
    The Algarve line is a major railway route in southern Portugal that connects the region’s coastal towns and cities along the Algarve.
  • D. Linha de Aveiro
    Linha de Aveiro is a suburban railway line in northern Portugal that connects Porto with the coastal city of Aveiro as part of the Porto urban rail network.
  • E. Linha de Cascais
    Linha de Cascais is a coastal suburban railway line in the Lisbon metropolitan area of Portugal, connecting central Lisbon to the seaside town of Cascais.
  • 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: Douro line
Triple: [Peso da Régua, railwayLine, Douro line]
Generated description
The Douro line is a historic Portuguese railway route that runs along the Douro River through the country’s wine-producing region, renowned for its scenic landscapes and connection to the Douro Valley.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Douro line
Target entity description: The Douro line is a historic Portuguese railway route that runs along the Douro River through the country’s wine-producing region, renowned for its scenic landscapes and connection to the Douro Valley.
  • A. Beira Baixa line
    The Beira Baixa line is a Portuguese railway route that connects central inland regions to the national rail network, historically serving as an important link for passenger and freight transport.
  • B. Lisbon–Porto main line
    The Lisbon–Porto main line is Portugal’s principal railway corridor, connecting the capital Lisbon with the northern city of Porto and serving major intermediate urban centers.
  • C. Algarve line
    The Algarve line is a major railway route in southern Portugal that connects the region’s coastal towns and cities along the Algarve.
  • D. Linha de Aveiro
    Linha de Aveiro is a suburban railway line in northern Portugal that connects Porto with the coastal city of Aveiro as part of the Porto urban rail network.
  • E. Linha de Cascais
    Linha de Cascais is a coastal suburban railway line in the Lisbon metropolitan area of Portugal, connecting central Lisbon to the seaside town of Cascais.
  • 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_69ca8423edb08190bc0c91287a484768 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd08d070c881908bed41aada6f85ae completed April 1, 2026, noon
NED1 Entity disambiguation (via context triple) batch_69d0b25ac97881908751b466b370b7e5 completed April 4, 2026, 6:40 a.m.
NEDg Description generation batch_69d0b301659481909c1865884421fcde completed April 4, 2026, 6:43 a.m.
NED2 Entity disambiguation (via description) batch_69d0b38ae1ec8190b36019d3a642290d completed April 4, 2026, 6:45 a.m.
Created at: March 30, 2026, 7:36 p.m.