Triple

T3700354
Position Surface form Disambiguated ID Type / Status
Subject Sihl River E78561 entity
Predicate hasBridge P386 FINISHED
Object Uetliberg railway bridges
The Uetliberg railway bridges are a series of rail viaducts in Zurich, Switzerland, carrying the Uetliberg line across the Sihl valley as part of the city’s suburban rail network.
E381045 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: Uetliberg railway bridges | Statement: [Sihl River, hasBridge, Uetliberg railway bridges]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Uetliberg railway bridges
Context triple: [Sihl River, hasBridge, Uetliberg railway bridges]
  • A. Nydeggbrücke in Bern
    Nydeggbrücke in Bern is a historic stone arch bridge in Switzerland’s capital city that spans the Aare River and connects the Old Town with the eastern districts.
  • B. Rhaetian Railway
    The Rhaetian Railway is a Swiss narrow-gauge railway network in the canton of Graubünden, famed for its scenic Alpine routes and UNESCO World Heritage-listed lines.
  • C. Bern–Lucerne railway line
    The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
  • D. Kornhausbrücke in Bern
    Kornhausbrücke in Bern is a historic road and tram bridge in Switzerland’s capital city, spanning the Aare River and connecting the Old City with the Breitenrain district.
  • E. Hohenzollern Bridge
    The Hohenzollern Bridge is a historic railway and pedestrian bridge over the Rhine in Cologne, Germany, famous for its heavy train traffic and thousands of love locks attached to its railings.
  • 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: Uetliberg railway bridges
Triple: [Sihl River, hasBridge, Uetliberg railway bridges]
Generated description
The Uetliberg railway bridges are a series of rail viaducts in Zurich, Switzerland, carrying the Uetliberg line across the Sihl valley as part of the city’s suburban rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Uetliberg railway bridges
Target entity description: The Uetliberg railway bridges are a series of rail viaducts in Zurich, Switzerland, carrying the Uetliberg line across the Sihl valley as part of the city’s suburban rail network.
  • A. Nydeggbrücke in Bern
    Nydeggbrücke in Bern is a historic stone arch bridge in Switzerland’s capital city that spans the Aare River and connects the Old Town with the eastern districts.
  • B. Rhaetian Railway
    The Rhaetian Railway is a Swiss narrow-gauge railway network in the canton of Graubünden, famed for its scenic Alpine routes and UNESCO World Heritage-listed lines.
  • C. Bern–Lucerne railway line
    The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
  • D. Kornhausbrücke in Bern
    Kornhausbrücke in Bern is a historic road and tram bridge in Switzerland’s capital city, spanning the Aare River and connecting the Old City with the Breitenrain district.
  • E. Hohenzollern Bridge
    The Hohenzollern Bridge is a historic railway and pedestrian bridge over the Rhine in Cologne, Germany, famous for its heavy train traffic and thousands of love locks attached to its railings.
  • 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_69ad85e3b1888190abc983e06968696d completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc514eb6c8190b3b74a603c717729 completed March 8, 2026, 6:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4c3df86bc819088db92eecee69fd3 completed March 14, 2026, 2:11 a.m.
NEDg Description generation batch_69b4c7e579d4819090edfa8a858c40c4 completed March 14, 2026, 2:28 a.m.
NED2 Entity disambiguation (via description) batch_69b4c86511e48190872b3d85019bc013 completed March 14, 2026, 2:31 a.m.
Created at: March 8, 2026, 3:26 p.m.