Triple

T14011734
Position Surface form Disambiguated ID Type / Status
Subject Covilhã E337094 entity
Predicate hasRailwayStation P918 FINISHED
Object Covilhã railway station
Covilhã railway station is a Portuguese train station serving the city of Covilhã on the Beira Baixa Line in central Portugal.
 E1073046 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: Covilhã railway station | Statement: [Covilhã, hasRailwayStation, Covilhã railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Covilhã railway station
Context triple: [Covilhã, hasRailwayStation, Covilhã railway station]
  • A. 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.
  • B. Coimbra-B railway station
    Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
  • C. Aveiro railway station
    Aveiro railway station is a key railway hub in the city of Aveiro, Portugal, known for its regional and intercity connections and distinctive azulejo-tiled architecture.
  • D. Vilar Formoso railway station
    Vilar Formoso railway station is a major Portuguese border railway station that serves as a key international gateway between Portugal and Spain.
  • E. Marco de Canaveses railway station
    Marco de Canaveses railway station is a railway terminus in northern Portugal that serves the town of Marco de Canaveses and connects it to the Porto suburban 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: Covilhã railway station
Triple: [Covilhã, hasRailwayStation, Covilhã railway station]
Generated description
Covilhã railway station is a Portuguese train station serving the city of Covilhã on the Beira Baixa Line in central Portugal.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Covilhã railway station
Target entity description: Covilhã railway station is a Portuguese train station serving the city of Covilhã on the Beira Baixa Line in central Portugal.
  • A. 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.
  • B. Coimbra-B railway station
    Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
  • C. Aveiro railway station
    Aveiro railway station is a key railway hub in the city of Aveiro, Portugal, known for its regional and intercity connections and distinctive azulejo-tiled architecture.
  • D. Vilar Formoso railway station
    Vilar Formoso railway station is a major Portuguese border railway station that serves as a key international gateway between Portugal and Spain.
  • E. Marco de Canaveses railway station
    Marco de Canaveses railway station is a railway terminus in northern Portugal that serves the town of Marco de Canaveses and connects it to the Porto suburban 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_69d81c645c5c8190b1fd16a285a1b78a completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de2ed5cfd0819085b9c860b119a9de completed April 14, 2026, 12:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69fbacaa16e88190995fd86951fb54e6 completed May 6, 2026, 9:03 p.m.
NEDg Description generation batch_69fbada0a2408190b77d163aee17400e completed May 6, 2026, 9:07 p.m.
NED2 Entity disambiguation (via description) batch_69fbaeeeb594819087b57da166495a72 completed May 6, 2026, 9:13 p.m.
Created at: April 9, 2026, 10:19 p.m.