Triple

T1176894
Position Surface form Disambiguated ID Type / Status
Subject Southwest Mexico City E25047 entity
Predicate transportInfrastructure P1777 FINISHED
Object 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.
E138626 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 Line 9 | Statement: [Southwest Mexico City, transportInfrastructure, Mexico City Metro Line 9]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mexico City Metro Line 9
Context triple: [Southwest Mexico City, transportInfrastructure, Mexico City Metro Line 9]
  • A. 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.
  • B. Xochimilco Light Rail
    Xochimilco Light Rail is a light rail transit line in Mexico City that connects the borough of Xochimilco with the city’s broader urban rail network.
  • C. 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.
  • D. Mexico City Metro
    The Mexico City Metro is a large rapid transit system serving Mexico City and its metropolitan area, known for its extensive network, high ridership, and iconic pictogram-based station signage.
  • E. Santiago Metro Line 2
    Santiago Metro Line 2 is one of the main rapid transit lines in Santiago, Chile, running in a generally north–south direction and serving key residential and commercial areas of the city.
  • 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 Line 9
Triple: [Southwest Mexico City, transportInfrastructure, Mexico City Metro Line 9]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mexico City Metro Line 9
Target entity description: 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.
  • A. 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.
  • B. Xochimilco Light Rail
    Xochimilco Light Rail is a light rail transit line in Mexico City that connects the borough of Xochimilco with the city’s broader urban rail network.
  • C. 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.
  • D. Mexico City Metro
    The Mexico City Metro is a large rapid transit system serving Mexico City and its metropolitan area, known for its extensive network, high ridership, and iconic pictogram-based station signage.
  • E. Santiago Metro Line 2
    Santiago Metro Line 2 is one of the main rapid transit lines in Santiago, Chile, running in a generally north–south direction and serving key residential and commercial areas of the city.
  • 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_69a494267b4c819088c97a59182bf56a completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd0ebbd08190a441d16a5b65a15e completed March 1, 2026, 10:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac7f3443588190af6c06383e904e7d completed March 7, 2026, 7:40 p.m.
NEDg Description generation batch_69ac7fba00f0819086a0fffa090c5809 completed March 7, 2026, 7:42 p.m.
NED2 Entity disambiguation (via description) batch_69ac807ead9c819088f7195aec87a538 completed March 7, 2026, 7:46 p.m.
Created at: March 1, 2026, 7:45 p.m.