Triple

T7791050
Position Surface form Disambiguated ID Type / Status
Subject Iskar River E180178 entity
Predicate hasBridge P386 FINISHED
Object Cherepish railway bridges
The Cherepish railway bridges are a series of dramatic rail viaducts in the Iskar Gorge of Bulgaria, known for their striking engineering and scenic setting amid steep cliffs and the Iskar River.
E693821 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: Cherepish railway bridges | Statement: [Iskar River, hasBridge, Cherepish railway bridges]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cherepish railway bridges
Context triple: [Iskar River, hasBridge, Cherepish railway bridges]
  • A. Murom Bridge
    Murom Bridge is a large road bridge in Russia that spans the Oka River near the city of Murom, serving as a key regional transport link.
  • B. Pikalov Bridge
    Pikalov Bridge is a historic pedestrian and vehicular bridge in Saint Petersburg, Russia, spanning the Griboyedov Canal near the city's central architectural landmarks.
  • C. Lanskoy Bridge
    Lanskoy Bridge is a road bridge in Saint Petersburg, Russia, spanning the Bolshaya Nevka River and connecting parts of the city’s northern districts.
  • D. Saratov Bridge
    Saratov Bridge is a major road bridge over the Volga River in Saratov, Russia, once among the longest in Europe and a key regional transport link.
  • E. Bolshoy Kamenny Bridge
    Bolshoy Kamenny Bridge is a major historic road bridge in central Moscow, Russia, known for its views of the Kremlin and its role as a key crossing over the Moskva River.
  • 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: Cherepish railway bridges
Triple: [Iskar River, hasBridge, Cherepish railway bridges]
Generated description
The Cherepish railway bridges are a series of dramatic rail viaducts in the Iskar Gorge of Bulgaria, known for their striking engineering and scenic setting amid steep cliffs and the Iskar River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cherepish railway bridges
Target entity description: The Cherepish railway bridges are a series of dramatic rail viaducts in the Iskar Gorge of Bulgaria, known for their striking engineering and scenic setting amid steep cliffs and the Iskar River.
  • A. Murom Bridge
    Murom Bridge is a large road bridge in Russia that spans the Oka River near the city of Murom, serving as a key regional transport link.
  • B. Pikalov Bridge
    Pikalov Bridge is a historic pedestrian and vehicular bridge in Saint Petersburg, Russia, spanning the Griboyedov Canal near the city's central architectural landmarks.
  • C. Lanskoy Bridge
    Lanskoy Bridge is a road bridge in Saint Petersburg, Russia, spanning the Bolshaya Nevka River and connecting parts of the city’s northern districts.
  • D. Saratov Bridge
    Saratov Bridge is a major road bridge over the Volga River in Saratov, Russia, once among the longest in Europe and a key regional transport link.
  • E. Bolshoy Kamenny Bridge
    Bolshoy Kamenny Bridge is a major historic road bridge in central Moscow, Russia, known for its views of the Kremlin and its role as a key crossing over the Moskva River.
  • 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_69ca827d22208190b4dc5aa680edcf5d completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cae9375dcc8190a6cb696c02aeceb7 completed March 30, 2026, 9:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69cb13b38e708190a688ce4effbf7c48 completed March 31, 2026, 12:22 a.m.
NEDg Description generation batch_69cb1636b0d48190a57c2d3a7b3b41ed completed March 31, 2026, 12:32 a.m.
NED2 Entity disambiguation (via description) batch_69cb1a29d2988190bb64aada0d2ef463 completed March 31, 2026, 12:49 a.m.
Created at: March 30, 2026, 4:30 p.m.