Triple

T12883116
Position Surface form Disambiguated ID Type / Status
Subject Porto Metro E308152 entity
Predicate hasStation P35 FINISHED
Object Casa da Música station
Casa da Música station is a major Porto Metro stop in Porto, Portugal, serving the area around the iconic Casa da Música concert hall.
 E1009589 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: Casa da Música station | Statement: [Porto Metro, hasStation, Casa da Música station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Casa da Música station
Context triple: [Porto Metro, hasStation, Casa da Música station]
  • A. Telheiras station
    Telheiras station is a Lisbon Metro station serving the Telheiras neighborhood and functioning as the northern terminus of the system’s Green Line.
  • B. Cosme Velho station
    Cosme Velho station is the lower terminus of Rio de Janeiro’s Corcovado Rack Railway, serving as the main departure point for visitors traveling up to the Christ the Redeemer statue.
  • C. São Sebastião station
    São Sebastião station is a major Lisbon Metro interchange and terminal on the Red Line, serving the São Sebastião da Pedreira area near central Lisbon.
  • D. Brás station
    Brás station is a major railway and metro hub in São Paulo, Brazil, serving multiple commuter rail lines and metro services and acting as a key transfer point in the city’s transit network.
  • E. 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.
  • 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: Casa da Música station
Triple: [Porto Metro, hasStation, Casa da Música station]
Generated description
Casa da Música station is a major Porto Metro stop in Porto, Portugal, serving the area around the iconic Casa da Música concert hall.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Casa da Música station
Target entity description: Casa da Música station is a major Porto Metro stop in Porto, Portugal, serving the area around the iconic Casa da Música concert hall.
  • A. Telheiras station
    Telheiras station is a Lisbon Metro station serving the Telheiras neighborhood and functioning as the northern terminus of the system’s Green Line.
  • B. Cosme Velho station
    Cosme Velho station is the lower terminus of Rio de Janeiro’s Corcovado Rack Railway, serving as the main departure point for visitors traveling up to the Christ the Redeemer statue.
  • C. São Sebastião station
    São Sebastião station is a major Lisbon Metro interchange and terminal on the Red Line, serving the São Sebastião da Pedreira area near central Lisbon.
  • D. Brás station
    Brás station is a major railway and metro hub in São Paulo, Brazil, serving multiple commuter rail lines and metro services and acting as a key transfer point in the city’s transit network.
  • E. 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.
  • 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_69d7bdf69bc48190af6c2621f28ca351 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d970fd15888190baf90fc30f2a3e25 completed April 10, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6a5556fe081909ada9d491b21b17b completed May 3, 2026, 1:31 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, 5:39 p.m.