Triple

T1266789
Position Surface form Disambiguated ID Type / Status
Subject Copper Canyon E15618 entity
Predicate knownFor P22 FINISHED
Object Chepe railway
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
E145382 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: Chepe railway | Statement: [Copper Canyon, knownFor, Chepe railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chepe railway
Context triple: [Copper Canyon, knownFor, Chepe railway]
  • A. Chile rail network
    The Chile rail network is the national railway system of Chile, comprising passenger and freight lines that connect major cities and regions along the country’s long north–south axis.
  • B. Suburban Railway of the Valley of Mexico
    The Suburban Railway of the Valley of Mexico is a commuter rail system serving the Mexico City metropolitan area, connecting the capital with its northern suburbs to ease congestion and provide rapid transit for daily commuters.
  • 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. Santiago Metro
    Santiago Metro is the rapid transit system serving Chile's capital, known as one of Latin America’s largest and most extensive urban rail networks.
  • 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: Chepe railway
Triple: [Copper Canyon, knownFor, Chepe railway]
Generated description
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chepe railway
Target entity description: The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
  • A. Chile rail network
    The Chile rail network is the national railway system of Chile, comprising passenger and freight lines that connect major cities and regions along the country’s long north–south axis.
  • B. Suburban Railway of the Valley of Mexico
    The Suburban Railway of the Valley of Mexico is a commuter rail system serving the Mexico City metropolitan area, connecting the capital with its northern suburbs to ease congestion and provide rapid transit for daily commuters.
  • 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. Santiago Metro
    Santiago Metro is the rapid transit system serving Chile's capital, known as one of Latin America’s largest and most extensive urban rail networks.
  • 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_69a4935a94308190bb92555b79032824 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4c037f14c8190baa42f70f8846583 completed March 1, 2026, 10:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac99874f748190bfffe8fb5a649d11 completed March 7, 2026, 9:32 p.m.
NEDg Description generation batch_69ac99ef5e308190858cf45c0707aa74 completed March 7, 2026, 9:34 p.m.
NED2 Entity disambiguation (via description) batch_69ac9ac980f48190a23da8b222ec7601 completed March 7, 2026, 9:38 p.m.
Created at: March 1, 2026, 7:50 p.m.