Triple

T8968034
Position Surface form Disambiguated ID Type / Status
Subject Kralupy nad Vltavou E214187 entity
Predicate hasRailwayLine P848 FINISHED
Object Prague–Ústí nad Labem line
The Prague–Ústí nad Labem line is a major Czech railway corridor connecting the capital city of Prague with the industrial and regional hub of Ústí nad Labem in northern Bohemia.
 E769609 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: Prague–Ústí nad Labem line | Statement: [Kralupy nad Vltavou, hasRailwayLine, Prague–Ústí nad Labem line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Prague–Ústí nad Labem line
Context triple: [Kralupy nad Vltavou, hasRailwayLine, Prague–Ústí nad Labem line]
  • A. Ostrava–Praha line
    The Ostrava–Praha line is a major Czech railway corridor connecting the industrial city of Ostrava with the capital Prague, serving as one of the country’s busiest passenger and freight routes.
  • B. Ostrava–Bohumín line
    The Ostrava–Bohumín line is a key railway route in the Czech Republic that connects the industrial city of Ostrava with the town of Bohumín and forms part of major national and international rail corridors.
  • C. Prague–Plzeň railway line
    The Prague–Plzeň railway line is a major Czech rail corridor connecting the capital city Prague with the industrial and regional hub of Plzeň, serving both passenger and freight traffic.
  • D. Plzeň–Cheb railway line
    The Plzeň–Cheb railway line is a major rail route in western Czechia connecting the city of Plzeň with the border city of Cheb and forming part of an important corridor toward Germany.
  • E. Ostrava–Opava line
    The Ostrava–Opava line is a regional railway route in the Czech Republic connecting the industrial city of Ostrava with the historic city of Opava.
  • 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: Prague–Ústí nad Labem line
Triple: [Kralupy nad Vltavou, hasRailwayLine, Prague–Ústí nad Labem line]
Generated description
The Prague–Ústí nad Labem line is a major Czech railway corridor connecting the capital city of Prague with the industrial and regional hub of Ústí nad Labem in northern Bohemia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Prague–Ústí nad Labem line
Target entity description: The Prague–Ústí nad Labem line is a major Czech railway corridor connecting the capital city of Prague with the industrial and regional hub of Ústí nad Labem in northern Bohemia.
  • A. Ostrava–Praha line
    The Ostrava–Praha line is a major Czech railway corridor connecting the industrial city of Ostrava with the capital Prague, serving as one of the country’s busiest passenger and freight routes.
  • B. Ostrava–Bohumín line
    The Ostrava–Bohumín line is a key railway route in the Czech Republic that connects the industrial city of Ostrava with the town of Bohumín and forms part of major national and international rail corridors.
  • C. Prague–Plzeň railway line
    The Prague–Plzeň railway line is a major Czech rail corridor connecting the capital city Prague with the industrial and regional hub of Plzeň, serving both passenger and freight traffic.
  • D. Plzeň–Cheb railway line
    The Plzeň–Cheb railway line is a major rail route in western Czechia connecting the city of Plzeň with the border city of Cheb and forming part of an important corridor toward Germany.
  • E. Ostrava–Opava line
    The Ostrava–Opava line is a regional railway route in the Czech Republic connecting the industrial city of Ostrava with the historic city of Opava.
  • 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_69ca839dbf608190a2f5990477115d29 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6764aca48190a5e472d1b6841886 completed April 1, 2026, 12:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfc95cbc4c8190a3ac582f735eeb35 completed April 3, 2026, 2:06 p.m.
NEDg Description generation batch_69cfca41aed08190a5107597625e4b61 completed April 3, 2026, 2:10 p.m.
NED2 Entity disambiguation (via description) batch_69cfcaba165081908c7bbfb905356942 completed April 3, 2026, 2:12 p.m.
Created at: March 30, 2026, 7:01 p.m.