Triple

T7875739
Position Surface form Disambiguated ID Type / Status
Subject Rhaetian Railway E182845 entity
Predicate hasNotableStructure P105 FINISHED
Object Landwasser Viaduct
The Landwasser Viaduct is a dramatic curved stone railway bridge in the Swiss Alps, renowned for its towering arches and scenic setting on the Rhaetian Railway’s Albula line.
E702035 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: Landwasser Viaduct | Statement: [Rhaetian Railway, hasNotableStructure, Landwasser Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Landwasser Viaduct
Context triple: [Rhaetian Railway, hasNotableStructure, Landwasser Viaduct]
  • A. Viaducto
    Viaducto is a Mexico City Metro station on Line 2 serving the southern part of the city near the Viaducto Miguel Alemán expressway.
  • B. Thomas Viaduct
    Thomas Viaduct is a historic early 19th-century stone railroad bridge in Maryland, notable as one of the oldest multiple-arch railroad bridges still in use in the United States.
  • C. Nerimbera Bridge
    Nerimbera Bridge is a road bridge in Queensland, Australia, that carries traffic across the Fitzroy River near Rockhampton.
  • D. Okertal Bridge
    The Okertal Bridge is a notable road bridge spanning the Oker River in the Harz region of Germany, known for its scenic surroundings and role in regional transportation.
  • E. Drapano Bridge
    Drapano Bridge is a historic stone causeway and one of the longest stone bridges over the sea, connecting the town of Argostoli to the opposite shore on the Greek island of Kefalonia.
  • 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: Landwasser Viaduct
Triple: [Rhaetian Railway, hasNotableStructure, Landwasser Viaduct]
Generated description
The Landwasser Viaduct is a dramatic curved stone railway bridge in the Swiss Alps, renowned for its towering arches and scenic setting on the Rhaetian Railway’s Albula line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Landwasser Viaduct
Target entity description: The Landwasser Viaduct is a dramatic curved stone railway bridge in the Swiss Alps, renowned for its towering arches and scenic setting on the Rhaetian Railway’s Albula line.
  • A. Viaducto
    Viaducto is a Mexico City Metro station on Line 2 serving the southern part of the city near the Viaducto Miguel Alemán expressway.
  • B. Thomas Viaduct
    Thomas Viaduct is a historic early 19th-century stone railroad bridge in Maryland, notable as one of the oldest multiple-arch railroad bridges still in use in the United States.
  • C. Nerimbera Bridge
    Nerimbera Bridge is a road bridge in Queensland, Australia, that carries traffic across the Fitzroy River near Rockhampton.
  • D. Okertal Bridge
    The Okertal Bridge is a notable road bridge spanning the Oker River in the Harz region of Germany, known for its scenic surroundings and role in regional transportation.
  • E. Drapano Bridge
    Drapano Bridge is a historic stone causeway and one of the longest stone bridges over the sea, connecting the town of Argostoli to the opposite shore on the Greek island of Kefalonia.
  • 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_69ca828a17248190b46defe758bc5ad3 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb39aa7ca88190b88a18f6a8971e51 completed March 31, 2026, 3:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69cbdf9535c48190a73653a773553d01 completed March 31, 2026, 2:52 p.m.
NEDg Description generation batch_69cbe436e20481908b297cd94eafbeec completed March 31, 2026, 3:11 p.m.
NED2 Entity disambiguation (via description) batch_69cc0c32aac081909cdd0d69cacdd27f completed March 31, 2026, 6:02 p.m.
Created at: March 30, 2026, 4:57 p.m.