Triple

T11535670
Position Surface form Disambiguated ID Type / Status
Subject Plaça d'Espanya (Barcelona) E273539 entity
Predicate servedBy P82 FINISHED
Object Barcelona Metro line L8
Barcelona Metro line L8 is a rapid transit line in Barcelona operated by FGC that connects the city center with western suburbs such as Molins de Rei and Sant Boi.
E1034075 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: Barcelona Metro line L8 | Statement: [Plaça d'Espanya (Barcelona), servedBy, Barcelona Metro line L8]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Barcelona Metro line L8
Context triple: [Plaça d'Espanya (Barcelona), servedBy, Barcelona Metro line L8]
  • A. Barcelona Metro line L7
    Barcelona Metro line L7 is a short urban railway line in Barcelona’s metro network that connects the city center with the uptown Sarrià district via the FGC-operated Vallès lines.
  • B. Barcelona Metro line L6
    Barcelona Metro line L6 is a suburban rapid transit line in Barcelona’s metro and FGC network that connects the city center with the Sarrià district.
  • C. Barcelona Metro Line L9 Sud
    Barcelona Metro Line L9 Sud is a southern section of Barcelona’s automated metro network that links the city with key suburban areas and major transport hubs, including Barcelona–El Prat Airport.
  • D. Barcelona Metro line L10 Sud
    Barcelona Metro line L10 Sud is a driverless metro line in Barcelona’s rapid transit network that serves the city’s southwestern area with modern, automated service.
  • E. Barcelona Metro Line 5
    Barcelona Metro Line 5 is a major rapid transit line in the Barcelona Metro network, running broadly from the city’s northwest to the southwest and serving key residential and interchange stations.
  • 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: Barcelona Metro line L8
Triple: [Plaça d'Espanya (Barcelona), servedBy, Barcelona Metro line L8]
Generated description
Barcelona Metro line L8 is a rapid transit line in Barcelona operated by FGC that connects the city center with western suburbs such as Molins de Rei and Sant Boi.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Barcelona Metro line L8
Target entity description: Barcelona Metro line L8 is a rapid transit line in Barcelona operated by FGC that connects the city center with western suburbs such as Molins de Rei and Sant Boi.
  • A. Barcelona Metro line L7
    Barcelona Metro line L7 is a short urban railway line in Barcelona’s metro network that connects the city center with the uptown Sarrià district via the FGC-operated Vallès lines.
  • B. Barcelona Metro line L6
    Barcelona Metro line L6 is a suburban rapid transit line in Barcelona’s metro and FGC network that connects the city center with the Sarrià district.
  • C. Barcelona Metro Line L9 Sud
    Barcelona Metro Line L9 Sud is a southern section of Barcelona’s automated metro network that links the city with key suburban areas and major transport hubs, including Barcelona–El Prat Airport.
  • D. Barcelona Metro line L10 Sud
    Barcelona Metro line L10 Sud is a driverless metro line in Barcelona’s rapid transit network that serves the city’s southwestern area with modern, automated service.
  • E. Barcelona Metro Line 5
    Barcelona Metro Line 5 is a major rapid transit line in the Barcelona Metro network, running broadly from the city’s northwest to the southwest and serving key residential and interchange stations.
  • 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_69d6aae3fbec8190a14632a5df2538b6 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8839b4bb48190b748ec4119f36c11 completed April 10, 2026, 4:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69f71f03e00c819091ae5273aa10fe4b completed May 3, 2026, 10:10 a.m.
NEDg Description generation batch_69f71fad1494819083484407dac16a7f completed May 3, 2026, 10:13 a.m.
NED2 Entity disambiguation (via description) batch_69f7205e52108190a5d3a1f50addb0f3 completed May 3, 2026, 10:15 a.m.
Created at: April 8, 2026, 9:37 p.m.