Triple

T7670993
Position Surface form Disambiguated ID Type / Status
Subject Ostrava main railway station E173745 entity
Predicate railwayLine P848 FINISHED
Object 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.
E683444 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: Ostrava–Bohumín line | Statement: [Ostrava main railway station, railwayLine, Ostrava–Bohumín line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ostrava–Bohumín line
Context triple: [Ostrava main railway station, railwayLine, Ostrava–Bohumín 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. 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.
  • C. 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.
  • D. Dresden–Děčín railway
    The Dresden–Děčín railway is a major cross-border rail route along the Elbe River connecting Dresden in Germany with Děčín in the Czech Republic, forming part of an important European north–south transport corridor.
  • E. Plzeň–Klatovy railway line
    The Plzeň–Klatovy railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Klatovy and serving as an important link in western Bohemia’s rail network.
  • 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: Ostrava–Bohumín line
Triple: [Ostrava main railway station, railwayLine, Ostrava–Bohumín line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ostrava–Bohumín line
Target entity description: 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.
  • 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. 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.
  • C. 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.
  • D. Dresden–Děčín railway
    The Dresden–Děčín railway is a major cross-border rail route along the Elbe River connecting Dresden in Germany with Děčín in the Czech Republic, forming part of an important European north–south transport corridor.
  • E. Plzeň–Klatovy railway line
    The Plzeň–Klatovy railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Klatovy and serving as an important link in western Bohemia’s rail network.
  • 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_69c699562484819086752091e3164a27 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c701dd3c808190990e07ced94b3297 completed March 27, 2026, 10:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8ac9818fc81908d65c03702fc1453 completed March 29, 2026, 4:37 a.m.
NEDg Description generation batch_69c8af2fdd048190ad54dc9a4396d171 completed March 29, 2026, 4:48 a.m.
NED2 Entity disambiguation (via description) batch_69c8afe14810819094a236fb8f96e562 completed March 29, 2026, 4:51 a.m.
Created at: March 27, 2026, 4 p.m.