Triple

T3166181
Position Surface form Disambiguated ID Type / Status
Subject Lisbon Santa Apolónia railway station E66216 entity
Predicate isTerminalFor P2066 FINISHED
Object Northern Line (Portugal)
Northern Line (Portugal) is a major Portuguese railway route that connects Lisbon to Porto and serves as one of the country’s primary north–south rail corridors.
 E333982 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: Northern Line (Portugal) | Statement: [Lisbon Santa Apolónia railway station, isTerminalFor, Northern Line (Portugal)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern Line (Portugal)
Context triple: [Lisbon Santa Apolónia railway station, isTerminalFor, Northern Line (Portugal)]
  • A. Linha de Leixões
    Linha de Leixões is a freight-focused railway line in the Porto metropolitan area of Portugal, connecting the Port of Leixões with the national rail network.
  • B. 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.
  • C. 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.
  • D. Linha de Guimarães
    Linha de Guimarães is a railway line in northern Portugal that connects Porto to the city of Guimarães, serving as an important regional passenger route.
  • E. Linha de Sintra
    Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
  • 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: Northern Line (Portugal)
Triple: [Lisbon Santa Apolónia railway station, isTerminalFor, Northern Line (Portugal)]
Generated description
Northern Line (Portugal) is a major Portuguese railway route that connects Lisbon to Porto and serves as one of the country’s primary north–south rail corridors.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Northern Line (Portugal)
Target entity description: Northern Line (Portugal) is a major Portuguese railway route that connects Lisbon to Porto and serves as one of the country’s primary north–south rail corridors.
  • A. Linha de Leixões
    Linha de Leixões is a freight-focused railway line in the Porto metropolitan area of Portugal, connecting the Port of Leixões with the national rail network.
  • B. 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.
  • C. 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.
  • D. Linha de Guimarães
    Linha de Guimarães is a railway line in northern Portugal that connects Porto to the city of Guimarães, serving as an important regional passenger route.
  • E. Linha de Sintra
    Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
  • 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_69ad8585d7988190af37365331093ccd completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada643e3e481908f4526d66e36e150 completed March 8, 2026, 4:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69b235e108cc81909d5733bd00cb0bee completed March 12, 2026, 3:41 a.m.
NEDg Description generation batch_69b2372a54a481908a4a954b8986aad7 completed March 12, 2026, 3:46 a.m.
NED2 Entity disambiguation (via description) batch_69b23806a3c8819096069982b3612730 completed March 12, 2026, 3:50 a.m.
Created at: March 8, 2026, 3:06 p.m.