Triple

T16691492
Position Surface form Disambiguated ID Type / Status
Subject Mexico City Metro Line 8 E405602 entity
Predicate usesRollingStock P5426 FINISHED
Object Mexico City Metro NM-79 trains
Mexico City Metro NM-79 trains are a series of electric multiple-unit subway cars specifically built for and operated on the Mexico City Metro system.
E1229059 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 NM-79 trains | Statement: [Mexico City Metro Line 8, usesRollingStock, Mexico City Metro NM-79 trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mexico City Metro NM-79 trains
Context triple: [Mexico City Metro Line 8, usesRollingStock, Mexico City Metro NM-79 trains]
  • A. Metro de la Ciudad de México
    Metro de la Ciudad de México is the extensive rapid transit system serving Mexico City and parts of the State of Mexico, known as one of the busiest metro networks in the world.
  • B. Mexico City Metro Line 7
    Mexico City Metro Line 7 is a major rapid transit line running through the western and southwestern parts of Mexico City, connecting key residential, commercial, and governmental areas.
  • C. Mexico City Metro Line 9
    Mexico City Metro Line 9 is an east–west rapid transit line in the Mexico City Metro system that serves key neighborhoods in the southern and central parts of the city.
  • D. Mexico City Metro Line 6
    Mexico City Metro Line 6 is a rapid transit line in Mexico City’s metro system that runs east–west across the city’s northern area, connecting multiple residential and industrial zones.
  • E. 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.
  • 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 NM-79 trains
Triple: [Mexico City Metro Line 8, usesRollingStock, Mexico City Metro NM-79 trains]
Generated description
Mexico City Metro NM-79 trains are a series of electric multiple-unit subway cars specifically built for and operated on the Mexico City Metro system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mexico City Metro NM-79 trains
Target entity description: Mexico City Metro NM-79 trains are a series of electric multiple-unit subway cars specifically built for and operated on the Mexico City Metro system.
  • A. Metro de la Ciudad de México
    Metro de la Ciudad de México is the extensive rapid transit system serving Mexico City and parts of the State of Mexico, known as one of the busiest metro networks in the world.
  • B. Mexico City Metro Line 7
    Mexico City Metro Line 7 is a major rapid transit line running through the western and southwestern parts of Mexico City, connecting key residential, commercial, and governmental areas.
  • C. Mexico City Metro Line 9
    Mexico City Metro Line 9 is an east–west rapid transit line in the Mexico City Metro system that serves key neighborhoods in the southern and central parts of the city.
  • D. Mexico City Metro Line 6
    Mexico City Metro Line 6 is a rapid transit line in Mexico City’s metro system that runs east–west across the city’s northern area, connecting multiple residential and industrial zones.
  • E. 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.
  • 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.