Triple

T17087760
Position Surface form Disambiguated ID Type / Status
Subject Lousã E414642 entity
Predicate hasTransport P1298 FINISHED
Object Linha da Lousã (historical railway line)
Linha da Lousã is a former Portuguese railway line in the Coimbra–Lousã region, historically used for regional passenger services before its closure and partial conversion to a metro-style system.
E1249144 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: Linha da Lousã (historical railway line) | Statement: [Lousã, hasTransport, Linha da Lousã (historical railway line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Linha da Lousã (historical railway line)
Context triple: [Lousã, hasTransport, Linha da Lousã (historical railway line)]
  • A. Porto–Campanhã to Pocinho line
    The Porto–Campanhã to Pocinho line is a Portuguese railway route that runs from the city of Porto into the Douro Valley, serving as a key connection between urban and inland northern regions.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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: Linha da Lousã (historical railway line)
Triple: [Lousã, hasTransport, Linha da Lousã (historical railway line)]
Generated description
Linha da Lousã is a former Portuguese railway line in the Coimbra–Lousã region, historically used for regional passenger services before its closure and partial conversion to a metro-style system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Linha da Lousã (historical railway line)
Target entity description: Linha da Lousã is a former Portuguese railway line in the Coimbra–Lousã region, historically used for regional passenger services before its closure and partial conversion to a metro-style system.
  • A. Porto–Campanhã to Pocinho line
    The Porto–Campanhã to Pocinho line is a Portuguese railway route that runs from the city of Porto into the Douro Valley, serving as a key connection between urban and inland northern regions.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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_69d886cef44c8190ba56c44b4e863e64 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3dbe92e488190b947287a968086d5 completed April 18, 2026, 7:30 p.m.
NED1 Entity disambiguation (via context triple) batch_6a012ee81fd08190a7e1f5958fbe3b97 completed May 11, 2026, 1:20 a.m.
NEDg Description generation batch_6a012ff7788c819086b2e6c0e382014c completed May 11, 2026, 1:25 a.m.
NED2 Entity disambiguation (via description) batch_6a0130dbe1f8819095b2d36882bf3287 completed May 11, 2026, 1:29 a.m.
Created at: April 10, 2026, 5:35 a.m.