Triple

T12826683
Position Surface form Disambiguated ID Type / Status
Subject Linha do Vouga E306668 entity
Predicate hasStation P35 FINISHED
Object Sernada do Vouga station
Sernada do Vouga station is a railway station in Portugal that serves the narrow-gauge Linha do Vouga and acts as an important junction on this historic regional line.
 E1009518 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: Sernada do Vouga station | Statement: [Linha do Vouga, hasStation, Sernada do Vouga station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sernada do Vouga station
Context triple: [Linha do Vouga, hasStation, Sernada do Vouga station]
  • A. Espinho-Vouga station
    Espinho-Vouga station is a railway station in Espinho, Portugal, serving the narrow-gauge Vouga line.
  • B. Viana do Castelo station
    Viana do Castelo station is a railway station in the city of Viana do Castelo, Portugal, serving as a key stop on the Minho Line that connects Porto to the northern border with Spain.
  • C. Oliveira de Azeméis station
    Oliveira de Azeméis station is a railway station in the town of Oliveira de Azeméis, Portugal, serving passengers on the narrow-gauge Vouga Line.
  • D. Albufeira-Ferreiras station
    Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
  • E. Taveiro station
    Taveiro station is a former name for the Coimbra-B railway station, a key rail hub serving the city of Coimbra in central 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: Sernada do Vouga station
Triple: [Linha do Vouga, hasStation, Sernada do Vouga station]
Generated description
Sernada do Vouga station is a railway station in Portugal that serves the narrow-gauge Linha do Vouga and acts as an important junction on this historic regional line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sernada do Vouga station
Target entity description: Sernada do Vouga station is a railway station in Portugal that serves the narrow-gauge Linha do Vouga and acts as an important junction on this historic regional line.
  • A. Espinho-Vouga station
    Espinho-Vouga station is a railway station in Espinho, Portugal, serving the narrow-gauge Vouga line.
  • B. Viana do Castelo station
    Viana do Castelo station is a railway station in the city of Viana do Castelo, Portugal, serving as a key stop on the Minho Line that connects Porto to the northern border with Spain.
  • C. Oliveira de Azeméis station
    Oliveira de Azeméis station is a railway station in the town of Oliveira de Azeméis, Portugal, serving passengers on the narrow-gauge Vouga Line.
  • D. Albufeira-Ferreiras station
    Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
  • E. Taveiro station
    Taveiro station is a former name for the Coimbra-B railway station, a key rail hub serving the city of Coimbra in central 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_69d7bdf52b94819096d6f0ba4ab50a98 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96fae51608190a50970bd038359a5 completed April 10, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6a5466d988190ae0df2f4058287a1 completed May 3, 2026, 1:30 a.m.
NEDg Description generation batch_69f6a616f6e4819096c9850434882548 completed May 3, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69f6a716bb2c81909dccc5ddbf3c92b5 completed May 3, 2026, 1:38 a.m.
Created at: April 9, 2026, 5:33 p.m.