Triple

T3192132
Position Surface form Disambiguated ID Type / Status
Subject Coimbra-B railway station E66846 entity
Predicate railwayLine P848 FINISHED
Object Ramal de Coimbra
Ramal de Coimbra was a Portuguese railway branch line that connected the city of Coimbra to the country’s main rail network.
 E338591 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: Ramal de Coimbra | Statement: [Coimbra-B railway station, railwayLine, Ramal de Coimbra]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ramal de Coimbra
Context triple: [Coimbra-B railway station, railwayLine, Ramal de Coimbra]
  • A. 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.
  • B. Linha de Braga
    Linha de Braga is a suburban railway line in northern Portugal that connects the city of Braga to the Porto metropolitan rail network.
  • C. Linha de Azambuja
    Linha de Azambuja is a suburban railway line in the Lisbon metropolitan area that connects the capital to the town of Azambuja and serves as a key commuter corridor.
  • D. 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.
  • E. 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.
  • 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: Ramal de Coimbra
Triple: [Coimbra-B railway station, railwayLine, Ramal de Coimbra]
Generated description
Ramal de Coimbra was a Portuguese railway branch line that connected the city of Coimbra to the country’s main rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ramal de Coimbra
Target entity description: Ramal de Coimbra was a Portuguese railway branch line that connected the city of Coimbra to the country’s main rail network.
  • A. 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.
  • B. Linha de Braga
    Linha de Braga is a suburban railway line in northern Portugal that connects the city of Braga to the Porto metropolitan rail network.
  • C. Linha de Azambuja
    Linha de Azambuja is a suburban railway line in the Lisbon metropolitan area that connects the capital to the town of Azambuja and serves as a key commuter corridor.
  • D. 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.
  • E. 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.
  • 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_69ad8588ba18819086a10951c32ecb80 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada6e8e4b48190bc7c6443fc6da900 completed March 8, 2026, 4:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69b262126fa08190b7dd620159e3ed96 completed March 12, 2026, 6:49 a.m.
NEDg Description generation batch_69b264c2b3e88190bdfb33f12c318c70 completed March 12, 2026, 7:01 a.m.
NED2 Entity disambiguation (via description) batch_69b2689419808190adb9b69bf3185daf completed March 12, 2026, 7:17 a.m.
Created at: March 8, 2026, 3:07 p.m.