Triple

T1699307
Position Surface form Disambiguated ID Type / Status
Subject Buenos Aires Underground E36731 entity
Predicate hasPremetro P17788 FINISHED
Object Premetro Line E2
Premetro Line E2 is a light rail feeder line in Buenos Aires that connects outlying neighborhoods to the city’s Underground network.
E191066 NE FINISHED

How this triple was built (5 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: Premetro Line E2 | Statement: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Premetro Line E2
Context triple: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
  • A. Metro Line 3
    Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
  • B. Metro Line 6
    Metro Line 6 is a line of the Mexico City Metro system that serves the northern part of the city, including the Gustavo A. Madero borough.
  • C. LRT Line 2
    LRT Line 2 is an elevated rapid transit line in Metro Manila, Philippines, running east–west and serving major areas including Quezon City, Manila, and Pasig.
  • D. Metro Line 54
    Metro Line 54 is a rapid transit line in the Amsterdam Metro system that connects the city center with southeastern suburbs such as Bijlmermeer.
  • E. Metro Line 53
    Metro Line 53 is a rapid transit line in Amsterdam that connects the city center with the southeastern suburbs as part of the Amsterdam Metro system.
  • 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: Premetro Line E2
Triple: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
Generated description
Premetro Line E2 is a light rail feeder line in Buenos Aires that connects outlying neighborhoods to the city’s Underground network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Premetro Line E2
Target entity description: Premetro Line E2 is a light rail feeder line in Buenos Aires that connects outlying neighborhoods to the city’s Underground network.
  • A. Metro Line 3
    Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
  • B. Metro Line 6
    Metro Line 6 is a line of the Mexico City Metro system that serves the northern part of the city, including the Gustavo A. Madero borough.
  • C. LRT Line 2
    LRT Line 2 is an elevated rapid transit line in Metro Manila, Philippines, running east–west and serving major areas including Quezon City, Manila, and Pasig.
  • D. Metro Line 54
    Metro Line 54 is a rapid transit line in the Amsterdam Metro system that connects the city center with southeastern suburbs such as Bijlmermeer.
  • E. Metro Line 53
    Metro Line 53 is a rapid transit line in Amsterdam that connects the city center with the southeastern suburbs as part of the Amsterdam Metro system.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasPremetro
Context triple: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
  • A. hasMetroLine
    Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
  • B. hasMetropolitan
    Indicates that an entity is associated with, served by, or located within a specific metropolitan area.
  • C. hasTramway chosen
    Indicates that a location or area is served by, contains, or is connected to a tramway system.
  • D. hasMetroOrTransitProject
    Indicates that there exists a metro or public transit project associated with, planned for, or implemented by the referenced entity.
  • E. hasMetropolitanSee
    Indicates that one ecclesiastical jurisdiction serves as the metropolitan (primary or overseeing) see in relation to another church territory.
  • F. None of above.

Provenance (6 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_69a886163dec8190859c514232a37a05 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aaf169da888190b3aa334752f1952b completed March 6, 2026, 3:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad799d59a48190b1efb101c2a67e4f completed March 8, 2026, 1:29 p.m.
NEDg Description generation batch_69ad7a1223fc8190b7d62217c17f7517 completed March 8, 2026, 1:30 p.m.
NED2 Entity disambiguation (via description) batch_69ad7b0787c88190a59a815fa808ac6b completed March 8, 2026, 1:35 p.m.
PD Predicate disambiguation batch_69aa61b8ce348190b46154af0b041ff0 completed March 6, 2026, 5:10 a.m.
Created at: March 4, 2026, 7:30 p.m.