Triple

T16691559
Position Surface form Disambiguated ID Type / Status
Subject Iztapalapa Metro station E405603 entity
Predicate railwaySystem P522 FINISHED
Object Mexico City Metro rubber-tyred system
The Mexico City Metro rubber-tyred system is the network of metro lines in Mexico City that operates using rubber-tyred trains running on concrete rollways with guiding rails, providing high-capacity urban rapid transit across the metropolitan area.
E1229065 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: Mexico City Metro rubber-tyred system | Statement: [Iztapalapa Metro station, railwaySystem, Mexico City Metro rubber-tyred system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mexico City Metro rubber-tyred system
Context triple: [Iztapalapa Metro station, railwaySystem, Mexico City Metro rubber-tyred system]
  • A. Mexico City light rail
    Mexico City light rail is a light rail transit system serving several southern districts of Mexico City, providing an intermediate-capacity link between the metro network and surface transport.
  • B. Mexico City Metrobús
    Mexico City Metrobús is a bus rapid transit (BRT) system that operates high-capacity articulated buses along dedicated lanes across Mexico City.
  • C. Monterrey metropolitan public transport system
    The Monterrey metropolitan public transport system is the integrated network of metro, buses, and other transit services that connects Monterrey with its surrounding municipalities in the metropolitan area.
  • D. Guadalajara light rail system
    The Guadalajara light rail system is an urban rapid transit network serving Mexico’s Guadalajara metropolitan area, providing high-capacity rail service along key corridors of the city.
  • E. Mexico City integrated fare system
    The Mexico City integrated fare system is a unified payment and ticketing scheme that allows passengers to use multiple public transport modes across the city with a single fare structure and card.
  • 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: Mexico City Metro rubber-tyred system
Triple: [Iztapalapa Metro station, railwaySystem, Mexico City Metro rubber-tyred system]
Generated description
The Mexico City Metro rubber-tyred system is the network of metro lines in Mexico City that operates using rubber-tyred trains running on concrete rollways with guiding rails, providing high-capacity urban rapid transit across the metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mexico City Metro rubber-tyred system
Target entity description: The Mexico City Metro rubber-tyred system is the network of metro lines in Mexico City that operates using rubber-tyred trains running on concrete rollways with guiding rails, providing high-capacity urban rapid transit across the metropolitan area.
  • A. Mexico City light rail
    Mexico City light rail is a light rail transit system serving several southern districts of Mexico City, providing an intermediate-capacity link between the metro network and surface transport.
  • B. Mexico City Metrobús
    Mexico City Metrobús is a bus rapid transit (BRT) system that operates high-capacity articulated buses along dedicated lanes across Mexico City.
  • C. Monterrey metropolitan public transport system
    The Monterrey metropolitan public transport system is the integrated network of metro, buses, and other transit services that connects Monterrey with its surrounding municipalities in the metropolitan area.
  • D. Guadalajara light rail system
    The Guadalajara light rail system is an urban rapid transit network serving Mexico’s Guadalajara metropolitan area, providing high-capacity rail service along key corridors of the city.
  • E. Mexico City integrated fare system
    The Mexico City integrated fare system is a unified payment and ticketing scheme that allows passengers to use multiple public transport modes across the city with a single fare structure and card.
  • 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_69d8838c28748190b3f5967c743940ab completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e37ea99bac8190a6c559ed7b7d8ecd completed April 18, 2026, 12:52 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0091984dcc8190b0b20d2e57bc3a11 completed May 10, 2026, 2:09 p.m.
NEDg Description generation batch_6a0092244d788190b24f56f0b166dc20 completed May 10, 2026, 2:11 p.m.
NED2 Entity disambiguation (via description) batch_6a00929d803881908d0bb6c566cd112a completed May 10, 2026, 2:13 p.m.
Created at: April 10, 2026, 5:19 a.m.