Triple

T12883115
Position Surface form Disambiguated ID Type / Status
Subject Porto Metro E308152 entity
Predicate hasStation P35 FINISHED
Object Trindade station
Trindade station is a major central interchange hub in Porto’s metro network, connecting multiple lines and serving as one of the city’s busiest transit points.
 E1022946 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: Trindade station | Statement: [Porto Metro, hasStation, Trindade station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Trindade station
Context triple: [Porto Metro, hasStation, Trindade station]
  • A. Selva de Mar station
    Selva de Mar station is a Barcelona Metro stop in the Sant Martí district that serves the city’s Line 4 (the yellow line).
  • B. Mauá station
    Mauá station is a commuter rail station in the city of Mauá, in the São Paulo metropolitan region of Brazil, serving passengers on CPTM’s Line 10–Turquesa.
  • 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. Barra Funda station
    Barra Funda station is a major intermodal rail and metro hub in São Paulo, Brazil, serving suburban, regional, and urban transit lines.
  • E. Saldanha station
    Saldanha station is a major Lisbon Metro interchange station in central Lisbon, connecting key lines and serving an important commercial and business district.
  • 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: Trindade station
Triple: [Porto Metro, hasStation, Trindade station]
Generated description
Trindade station is a major central interchange hub in Porto’s metro network, connecting multiple lines and serving as one of the city’s busiest transit points.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Trindade station
Target entity description: Trindade station is a major central interchange hub in Porto’s metro network, connecting multiple lines and serving as one of the city’s busiest transit points.
  • A. Selva de Mar station
    Selva de Mar station is a Barcelona Metro stop in the Sant Martí district that serves the city’s Line 4 (the yellow line).
  • B. Mauá station
    Mauá station is a commuter rail station in the city of Mauá, in the São Paulo metropolitan region of Brazil, serving passengers on CPTM’s Line 10–Turquesa.
  • 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. Barra Funda station
    Barra Funda station is a major intermodal rail and metro hub in São Paulo, Brazil, serving suburban, regional, and urban transit lines.
  • E. Saldanha station
    Saldanha station is a major Lisbon Metro interchange station in central Lisbon, connecting key lines and serving an important commercial and business district.
  • 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_69f6e260b824819083e90333827d0833 completed May 3, 2026, 5:51 a.m.
NEDg Description generation batch_69f6e49f9b2c8190adc17603ac326b94 completed May 3, 2026, 6:01 a.m.
NED2 Entity disambiguation (via description) batch_69f6e5979df881909db42a735b9b1064 completed May 3, 2026, 6:05 a.m.
Created at: April 9, 2026, 5:39 p.m.