Triple

T4692456
Position Surface form Disambiguated ID Type / Status
Subject Santa Apolónia railway station E104065 entity
Predicate metroLine P848 FINISHED
Object Blue Line (Lisbon Metro)
The Blue Line of the Lisbon Metro is one of the city's main rapid transit lines, connecting key central and riverside areas, including major transport hubs and historic districts.
 E18934 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: Blue Line (Lisbon Metro) | Statement: [Santa Apolónia railway station, metroLine, Blue Line (Lisbon Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blue Line (Lisbon Metro)
Context triple: [Santa Apolónia railway station, metroLine, Blue Line (Lisbon Metro)]
  • A. Lisbon Metro
    Lisbon Metro is the rapid transit system serving Portugal’s capital, providing an extensive network of underground and suburban rail lines across the Lisbon metropolitan area.
  • B. Porto Metro
    Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
  • C. Lisbon Tramway
    The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
  • D. Linha de Sintra
    Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
  • 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: Blue Line (Lisbon Metro)
Triple: [Santa Apolónia railway station, metroLine, Blue Line (Lisbon Metro)]
Generated description
The Blue Line of the Lisbon Metro is one of the city's main rapid transit lines, connecting key central and riverside areas, including major transport hubs and historic districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blue Line (Lisbon Metro)
Target entity description: The Blue Line of the Lisbon Metro is one of the city's main rapid transit lines, connecting key central and riverside areas, including major transport hubs and historic districts.
  • A. Lisbon Metro chosen
    Lisbon Metro is the rapid transit system serving Portugal’s capital, providing an extensive network of underground and suburban rail lines across the Lisbon metropolitan area.
  • B. Porto Metro
    Porto Metro is the light rail and rapid transit system serving the Porto metropolitan area in northern Portugal.
  • C. Lisbon Tramway
    The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
  • D. Linha de Sintra
    Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
  • 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.

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_69bd43df91f481908e9add1b617b60ef completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd639dc94c8190bc033111a4199f40 completed March 20, 2026, 3:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69be922a8fc08190ad2dd4ffc1697f08 completed March 21, 2026, 12:42 p.m.
NEDg Description generation batch_69be92da1bc08190a105ec9d3bcf6e9d completed March 21, 2026, 12:45 p.m.
NED2 Entity disambiguation (via description) batch_69be933087f481908d59086772040405 completed March 21, 2026, 12:46 p.m.
Created at: March 20, 2026, 1:16 p.m.