Triple

T7371152
Position Surface form Disambiguated ID Type / Status
Subject Malleco River E170006 entity
Predicate hasCrossing P416 FINISHED
Object 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.
 E660389 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: Malleco Viaduct | Statement: [Malleco River, hasCrossing, Malleco Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Malleco Viaduct
Context triple: [Malleco River, hasCrossing, Malleco Viaduct]
  • A. 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.
  • B. Pedro de Valdivia Bridge
    Pedro de Valdivia Bridge is a major road bridge in Valdivia, Chile, serving as a key connection between the city center and the Isla Teja district.
  • C. Alamillo Bridge
    The Alamillo Bridge is a striking cable-stayed bridge in Seville, Spain, renowned for its dramatic single pylon and sculptural, minimalist design by architect-engineer Santiago Calatrava.
  • D. Allende-Brücke
    Allende-Brücke is a road bridge in the Berlin district of Köpenick, spanning the Dahme River and connecting local neighborhoods within the borough.
  • E. Viaducto
    Viaducto is a Mexico City Metro station on Line 2 serving the southern part of the city near the Viaducto Miguel Alemán expressway.
  • 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: Malleco Viaduct
Triple: [Malleco River, hasCrossing, Malleco Viaduct]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Malleco Viaduct
Target entity description: 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.
  • A. 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.
  • B. Pedro de Valdivia Bridge
    Pedro de Valdivia Bridge is a major road bridge in Valdivia, Chile, serving as a key connection between the city center and the Isla Teja district.
  • C. Alamillo Bridge
    The Alamillo Bridge is a striking cable-stayed bridge in Seville, Spain, renowned for its dramatic single pylon and sculptural, minimalist design by architect-engineer Santiago Calatrava.
  • D. Allende-Brücke
    Allende-Brücke is a road bridge in the Berlin district of Köpenick, spanning the Dahme River and connecting local neighborhoods within the borough.
  • E. Viaducto
    Viaducto is a Mexico City Metro station on Line 2 serving the southern part of the city near the Viaducto Miguel Alemán expressway.
  • 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_69c68a5bfaac81909ce7f001dfb70c76 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f182df5c81908964fbaa3f8ec790 completed March 27, 2026, 9:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69c802c711788190806987567dbc9942 completed March 28, 2026, 4:33 p.m.
NEDg Description generation batch_69c8035151a481908a33c1ecd12c2f6d completed March 28, 2026, 4:35 p.m.
NED2 Entity disambiguation (via description) batch_69c803aea0808190a5208c02a0db1187 completed March 28, 2026, 4:37 p.m.
Created at: March 27, 2026, 3:07 p.m.