Triple

T9981780
Position Surface form Disambiguated ID Type / Status
Subject Chile–Bolivia border E196468 entity
Predicate hasBorderCrossing P4105 FINISHED
Object Avaroa–Ollagüe rail crossing
The Avaroa–Ollagüe rail crossing is an international railway border point linking Chile and Bolivia across the Andes, primarily used for freight transport between the two countries.
E833950 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: Avaroa–Ollagüe rail crossing | Statement: [Chile–Bolivia border, hasBorderCrossing, Avaroa–Ollagüe rail crossing]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Avaroa–Ollagüe rail crossing
Context triple: [Chile–Bolivia border, hasBorderCrossing, Avaroa–Ollagüe rail crossing]
  • A. Oruro railway junction
    Oruro railway junction is a major rail hub in Bolivia that connects key lines linking the Andean highlands with other regions of the country and neighboring nations.
  • B. Malleco Viaduct
    The Malleco Viaduct is a historic late-19th-century steel railway bridge in southern Chile, renowned for its impressive height and engineering significance as a national monument.
  • C. Llacolén Bridge
    Llacolén Bridge is a major road bridge in Concepción, Chile, that spans the Biobío River and serves as a key connection within the city’s transport network.
  • D. Puente Río Bueno
    Puente Río Bueno is a bridge spanning the Bueno River in southern Chile, serving as a key local transportation link.
  • E. Paso Pehuenche border crossing
    Paso Pehuenche border crossing is an Andean mountain pass and international border crossing between Chile and Argentina, serving as a key route for regional trade and tourism.
  • 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: Avaroa–Ollagüe rail crossing
Triple: [Chile–Bolivia border, hasBorderCrossing, Avaroa–Ollagüe rail crossing]
Generated description
The Avaroa–Ollagüe rail crossing is an international railway border point linking Chile and Bolivia across the Andes, primarily used for freight transport between the two countries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Avaroa–Ollagüe rail crossing
Target entity description: The Avaroa–Ollagüe rail crossing is an international railway border point linking Chile and Bolivia across the Andes, primarily used for freight transport between the two countries.
  • A. Oruro railway junction
    Oruro railway junction is a major rail hub in Bolivia that connects key lines linking the Andean highlands with other regions of the country and neighboring nations.
  • B. Malleco Viaduct
    The Malleco Viaduct is a historic late-19th-century steel railway bridge in southern Chile, renowned for its impressive height and engineering significance as a national monument.
  • C. Llacolén Bridge
    Llacolén Bridge is a major road bridge in Concepción, Chile, that spans the Biobío River and serves as a key connection within the city’s transport network.
  • D. Puente Río Bueno
    Puente Río Bueno is a bridge spanning the Bueno River in southern Chile, serving as a key local transportation link.
  • E. Paso Pehuenche border crossing
    Paso Pehuenche border crossing is an Andean mountain pass and international border crossing between Chile and Argentina, serving as a key route for regional trade and tourism.
  • 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_69ca82efbce081908179b4b9c65096eb completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb8bb3dc481909c65c37303e44037 completed April 2, 2026, 12:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69d257e888908190a7187e26ba025a44 completed April 5, 2026, 12:39 p.m.
NEDg Description generation batch_69d259b0a4d481909c8d57686a210c5c completed April 5, 2026, 12:46 p.m.
NED2 Entity disambiguation (via description) batch_69d25a012b008190bac893d5d7c69afa completed April 5, 2026, 12:48 p.m.
Created at: March 30, 2026, 8:49 p.m.